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Windows Analysis Report Weemaes B.V.-PO74748392.exe

Overview

General Information

Sample Name:	Weemaes B.V.-PO74748392.exe
Analysis ID:	458358
MD5:	a08f23a15ef10b17370668cf5b9947ad
SHA1:	7cc53628714dd9d69881be1d186adf7b3e7af9cd
SHA256:	cc8e7690934b9059a1613d246a6c933df5dd7b1e333038dc76f7839dcc5697cd
Tags:	exe
Infos:
Most interesting Screenshot:

Detection

GuLoader

Score:	84
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Found malware configuration

Multi AV Scanner detection for submitted file

Yara detected GuLoader

C2 URLs / IPs found in malware configuration

Contains functionality to detect hardware virtualization (CPUID execution measurement)

Found potential dummy code loops (likely to delay analysis)

Potentially malicious time measurement code found

Tries to detect virtualization through RDTSC time measurements

Abnormal high CPU Usage

Contains functionality for execution timing, often used to detect debuggers

Contains functionality to call native functions

Contains functionality to query CPU information (cpuid)

Contains functionality to read the PEB

Detected potential crypto function

PE / OLE file has an invalid certificate

PE file contains strange resources

Program does not show much activity (idle)

Queries the volume information (name, serial number etc) of a device

Sample file is different than original file name gathered from version info

Uses 32bit PE files

Uses code obfuscation techniques (call, push, ret)

Classification

Process Tree

System is w10x64

Weemaes B.V.-PO74748392.exe (PID: 5656 cmdline: 'C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe' MD5: A08F23A15EF10B17370668CF5B9947AD)

cleanup

Malware Configuration

Threatname: GuLoader

{"Payload URL": "http://rossettlee.ddnsgeek.com/x/5bab0b1d864615bab0b1d864b3/2"}

Yara Overview

Memory Dumps

Source	Rule	Description	Author	Strings
00000001.00000002.758678567.00000000021C0000.00000040.00000001.sdmp	JoeSecurity_GuLoader_2	Yara detected GuLoader	Joe Security

Sigma Overview

No Sigma rule has matched

Jbx Signature Overview

Click to jump to signature section

Show All Signature Results

AV Detection:

Found malware configuration

Show sources

Source: Weemaes B.V.-PO74748392.exe

Malware Configuration Extractor: GuLoader {"Payload URL": "http://rossettlee.ddnsgeek.com/x/5bab0b1d864615bab0b1d864b3/2"}

Multi AV Scanner detection for submitted file

Show sources

Source: Weemaes B.V.-PO74748392.exe

Virustotal: Detection: 35%

Perma Link

Source: Weemaes B.V.-PO74748392.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Networking:

C2 URLs / IPs found in malware configuration

Show sources

Source: Malware configuration extractor

URLs: http://rossettlee.ddnsgeek.com/x/5bab0b1d864615bab0b1d864b3/2

Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: http://s.symcb.com/universal-root.crl0
Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: http://s.symcd.com06
Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: http://ts-aia.ws.symantec.com/sha256-tss-ca.cer0(
Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: http://ts-crl.ws.symantec.com/sha256-tss-ca.crl0
Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: http://ts-ocsp.ws.symantec.com0;
Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: https://d.symcb.com/cps0%
Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: https://d.symcb.com/rpa0
Source: Weemaes B.V.-PO74748392.exe	String found in binary or memory: https://d.symcb.com/rpa0.

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Process Stats: CPU usage > 98%

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7989 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7A86 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7AB9 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7B15 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7B5A NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7B9F NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C77FF NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C796D NtAllocateVirtualMemory,

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7989
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CD609
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6A0A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CB604
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1202
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5E3A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6233
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C822D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3E51
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5E51
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3652
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6644
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C567C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5A7D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6672
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1A62
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1292
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6A8E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5A86
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6286
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2682
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1682
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1ABE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5EBE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CAEB3
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0AA6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4AA2
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C12D5
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1ED2
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5AFA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C16F6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C66F6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6AEA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C82EA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4B1F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3F1A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C370D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0B0E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C570E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C130A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C630B
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2302
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0302
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C033F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5F2E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C8724
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C635A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1355
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5B56
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C8352
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C174E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4B4E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1B7E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C377E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C577E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1376
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C636E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C036F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0B6A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0363
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5F9A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0396
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1F96
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C17BA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C53A1
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C63DE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C37D7
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4BC8
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C77FF
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3FF7
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1FF0
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5BE6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C13E2
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA018
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C800E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0000
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6002
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C043E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C383A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA435
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4C32
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1828
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0827
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6822
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6056
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C644E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C804F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C204A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C404A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C147A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C807A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3C6C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA86A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CAC60
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0492
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6892
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5C83
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C80AE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C10AF
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2CAA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C64A6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5CDB
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C18D6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C34CE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CB8C4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3CC1
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C14FE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2CE9
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4CE4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C60E7
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7CE1
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CB51C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C811E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2D0F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3D0A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C293A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C412D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2928
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1D5C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1552
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4D48
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6548
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5145
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CCD46
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C8146
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C597F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA175
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3D6C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C796D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3167
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0D67
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5D62
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C699E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C119A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1190
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C8192
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C298A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C9D85
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C15BA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C65AF
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C09AA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C19A7
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2DDC
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C65C6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C29F8
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C19FB
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA5EB
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5DE6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3DE2

Source: Weemaes B.V.-PO74748392.exe

Static PE information: invalid certificate

Source: Weemaes B.V.-PO74748392.exe	Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: Weemaes B.V.-PO74748392.exe	Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST

Source: Weemaes B.V.-PO74748392.exe, 00000001.00000002.756304020.000000000041D000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenamePROKURAERS.exe vs Weemaes B.V.-PO74748392.exe
Source: Weemaes B.V.-PO74748392.exe, 00000001.00000002.758261692.00000000020A0000.00000002.00000001.sdmp	Binary or memory string: OriginalFilenameuser32j% vs Weemaes B.V.-PO74748392.exe
Source: Weemaes B.V.-PO74748392.exe	Binary or memory string: OriginalFilenamePROKURAERS.exe vs Weemaes B.V.-PO74748392.exe

Source: Weemaes B.V.-PO74748392.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Source: classification engine

Classification label: mal84.troj.evad.winEXE@1/0@0/0

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

File created: C:\Users\user~1\AppData\Local\Temp\~DF5CD84833B4F133BE.TMP

Jump to behavior

Source: Weemaes B.V.-PO74748392.exe

Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Section loaded: C:\Windows\SysWOW64\msvbvm60.dll

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Source: Weemaes B.V.-PO74748392.exe

Virustotal: Detection: 35%

Data Obfuscation:

Yara detected GuLoader

Show sources

Source: Yara match

File source: 00000001.00000002.758678567.00000000021C0000.00000040.00000001.sdmp, type: MEMORY

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_004079B4 push edi; retf
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4442 push edx; ret
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4469 push edx; ret
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C24A2 push F7664D43h; ret

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Process information set: NOOPENFILEERRORBOX

Malware Analysis System Evasion:

Contains functionality to detect hardware virtualization (CPUID execution measurement)

Show sources

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CD609
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6A0A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C423A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5E3A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6233
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3E51
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5E51
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6644
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C567C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5A7D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6672
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6A8E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5A86
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6286
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2682
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5EBE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C42A2
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4AA2
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5AFA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C66F6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6AEA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C231C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4B1F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3F1A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C430E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C630B
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2302
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C473D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5F2E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C8724
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C635A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5B56
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4B4E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C476E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C636E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5F9A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4396
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C47BE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C47AD
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C53A1
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C63DE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3FF7
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5BE6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA018
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4816
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C800E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6C0E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6002
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA435
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6822
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6C5E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6056
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C644E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C804F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C404A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C487E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C807A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3C6C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6892
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4480
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7081
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5C83
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C80AE
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C10AF
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C64A6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C44DD
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C48DA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5CDB
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6CD6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CB8C4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3CC1
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C44FA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2CE9
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C60E7
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C7CE1
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CB51C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3D0A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C412D
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C6548
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C597F
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA175
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3D6C
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C0D67
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5D62
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C699E
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1190
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C65AF
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C25D8
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C65C6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C41EA
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA5EB
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C5DE6
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3DE2

Tries to detect virtualization through RDTSC time measurements

Show sources

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	RDTSC instruction interceptor: First address: 00000000021C0135 second address: 00000000021C0160 instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a popad 0x0000000b jmp 00007F3FF0A97B1Ah 0x0000000d pushad 0x0000000e mov eax, 000000FDh 0x00000013 rdtsc
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	RDTSC instruction interceptor: First address: 00000000021CB063 second address: 00000000021CB136 instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a popad 0x0000000b test edx, 9428169Fh 0x00000011 cmp esi, edi 0x00000013 mov edi, dword ptr [ebp+000001BEh] 0x00000019 je 00007F3FF03980A9h 0x0000001f push 3343CA3Bh 0x00000024 jmp 00007F3FF0397956h 0x00000026 test dh, ch 0x00000028 xor dword ptr [esp], 478B418Dh 0x0000002f cmp edx, 82262C5Fh 0x00000035 sub dword ptr [esp], 2EB968E3h 0x0000003c xor dword ptr [esp], 460F22D3h 0x00000043 cmp ebx, ebx 0x00000045 cmp dl, 0000002Ah 0x00000048 test ebx, edx 0x0000004a push 1ACA19CEh 0x0000004f cmp ch, ch 0x00000051 xor dword ptr [esp], A03EEE6Ah 0x00000058 pushad 0x00000059 mov di, 3215h 0x0000005d cmp di, 3215h 0x00000062 jne 00007F3FF0396679h 0x00000068 popad 0x00000069 xor dword ptr [esp], 7AA2B45Eh 0x00000070 sub dword ptr [esp], C05643DEh 0x00000077 test cl, bl 0x00000079 mov dword ptr [ebp+0000023Bh], ecx 0x0000007f mov ecx, edi 0x00000081 push ecx 0x00000082 mov ecx, dword ptr [ebp+0000023Bh] 0x00000088 jmp 00007F3FF039795Ah 0x0000008a test ah, dh 0x0000008c test dh, ah 0x0000008e test eax, eax 0x00000090 mov dword ptr [ebp+00000180h], edx 0x00000096 mov edx, 92B25D48h 0x0000009b cmp bl, al 0x0000009d xor edx, 7EFE344Eh 0x000000a3 pushad 0x000000a4 lfence 0x000000a7 rdtsc

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Code function: 1_2_021C7989 rdtsc

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

Anti Debugging:

Found potential dummy code loops (likely to delay analysis)

Show sources

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Process Stats: CPU usage > 90% for more than 60s

Potentially malicious time measurement code found

Show sources

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C423A Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3E51 Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C42A2 Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2AC6 Start: 021C2BBB End: 021C2BD4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3F1A Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C430E Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C473D Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4396 Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3FF7 Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C404A Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4480 Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C44DD Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C44FA Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C293A Start: 021C2BBB End: 021C2BD4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C412D Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C2928 Start: 021C2BBB End: 021C2BD4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C298A Start: 021C2BBB End: 021C2BD4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C29F8 Start: 021C2BBB End: 021C2BD4
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C41EA Start: 021C4526 End: 021C453A
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3DE2 Start: 021C4526 End: 021C453A

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Code function: 1_2_021C7989 rdtsc

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4AA2 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4B1F mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4B4E mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C73B1 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C4BC8 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C3C6C mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C10AF mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CB8C4 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CB51C mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C1190 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021CA5EB mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe	Code function: 1_2_021C9DE5 mov eax, dword ptr fs:[00000030h]

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

Source: Weemaes B.V.-PO74748392.exe, 00000001.00000002.757825907.0000000000C90000.00000002.00000001.sdmp	Binary or memory string: uProgram Manager
Source: Weemaes B.V.-PO74748392.exe, 00000001.00000002.757825907.0000000000C90000.00000002.00000001.sdmp	Binary or memory string: Shell_TrayWnd
Source: Weemaes B.V.-PO74748392.exe, 00000001.00000002.757825907.0000000000C90000.00000002.00000001.sdmp	Binary or memory string: Progman
Source: Weemaes B.V.-PO74748392.exe, 00000001.00000002.757825907.0000000000C90000.00000002.00000001.sdmp	Binary or memory string: Progmanlock

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Code function: 1_2_021C5A2A cpuid

Source: C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe

Queries volume information: C:\ VolumeInformation

Mitre Att&ck Matrix

Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Exfiltration	Command and Control	Network Effects	Remote Service Effects	Impact
Valid Accounts	Windows Management Instrumentation	Path Interception	Process Injection1	Virtualization/Sandbox Evasion11	OS Credential Dumping	Security Software Discovery31	Remote Services	Archive Collected Data1	Exfiltration Over Other Network Medium	Encrypted Channel1	Eavesdrop on Insecure Network Communication	Remotely Track Device Without Authorization	Modify System Partition
Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	Process Injection1	LSASS Memory	Virtualization/Sandbox Evasion11	Remote Desktop Protocol	Data from Removable Media	Exfiltration Over Bluetooth	Application Layer Protocol1	Exploit SS7 to Redirect Phone Calls/SMS	Remotely Wipe Data Without Authorization	Device Lockout
Domain Accounts	At (Linux)	Logon Script (Windows)	Logon Script (Windows)	Obfuscated Files or Information1	Security Account Manager	Process Discovery1	SMB/Windows Admin Shares	Data from Network Shared Drive	Automated Exfiltration	Steganography	Exploit SS7 to Track Device Location	Obtain Device Cloud Backups	Delete Device Data
Local Accounts	At (Windows)	Logon Script (Mac)	Logon Script (Mac)	Binary Padding	NTDS	System Information Discovery221	Distributed Component Object Model	Input Capture	Scheduled Transfer	Protocol Impersonation	SIM Card Swap		Carrier Billing Fraud

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
Weemaes B.V.-PO74748392.exe	36%	Virustotal		Browse

Dropped Files

No Antivirus matches

Unpacked PE Files

No Antivirus matches

Domains

No Antivirus matches

URLs

Source	Detection	Scanner	Label	Link
http://rossettlee.ddnsgeek.com/x/5bab0b1d864615bab0b1d864b3/2	0%	Avira URL Cloud	safe

Domains and IPs

Contacted Domains

No contacted domains info

Contacted URLs

Name	Malicious	Antivirus Detection	Reputation
http://rossettlee.ddnsgeek.com/x/5bab0b1d864615bab0b1d864b3/2	true	Avira URL Cloud: safe	unknown

Contacted IPs

No contacted IP infos

General Information

Joe Sandbox Version:	33.0.0 White Diamond
Analysis ID:	458358
Start date:	03.08.2021
Start time:	09:42:13
Joe Sandbox Product:	CloudBasic
Overall analysis duration:	0h 7m 51s
Hypervisor based Inspection enabled:	false
Report type:	light
Sample file name:	Weemaes B.V.-PO74748392.exe
Cookbook file name:	default.jbs
Analysis system description:	Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
Number of analysed new started processes analysed:	25
Number of new started drivers analysed:	0
Number of existing processes analysed:	0
Number of existing drivers analysed:	0
Number of injected processes analysed:	0
Technologies:	HCA enabled EGA enabled HDC enabled AMSI enabled
Analysis Mode:	default
Analysis stop reason:	Timeout
Detection:	MAL
Classification:	mal84.troj.evad.winEXE@1/0@0/0
EGA Information:	Failed
HDC Information:	Successful, ratio: 16.1% (good quality ratio 8.2%) Quality average: 35.7% Quality standard deviation: 39.3%
HCA Information:	Failed
Cookbook Comments:	Adjust boot time Enable AMSI Found application associated with file extension: .exe Override analysis time to 240s for sample files taking high CPU consumption
Warnings:	Show All Exclude process from analysis (whitelisted): MpCmdRun.exe, audiodg.exe, BackgroundTransferHost.exe, WMIADAP.exe, backgroundTaskHost.exe, SgrmBroker.exe, conhost.exe, svchost.exe, wuapihost.exe Not all processes where analyzed, report is missing behavior information Report size exceeded maximum capacity and may have missing disassembly code.

Simulations

Behavior and APIs

No simulations

Joe Sandbox View / Context

IPs

No context

Domains

No context

ASN

No context

JA3 Fingerprints

No context

Dropped Files

No context

Created / dropped Files

No created / dropped files found

Static File Info

General
File type:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy (8bit):	6.023550955444461
TrID:	Win32 Executable (generic) a (10002005/4) 99.96% Generic Win/DOS Executable (2004/3) 0.02% DOS Executable Generic (2002/1) 0.02% Autodesk FLIC Image File (extensions: flc, fli, cel) (7/3) 0.00%
File name:	Weemaes B.V.-PO74748392.exe
File size:	148824
MD5:	a08f23a15ef10b17370668cf5b9947ad
SHA1:	7cc53628714dd9d69881be1d186adf7b3e7af9cd
SHA256:	cc8e7690934b9059a1613d246a6c933df5dd7b1e333038dc76f7839dcc5697cd
SHA512:	3856222ba3b1f19abe6658edd081e2be5f3bfea12542f6bc4da54ab0396abd97f177a8c0857b8501f19e2addb2c3d4f1429d63e086bb13d27ae819b7aa784287
SSDEEP:	3072:7YIocqttkj0ufJOWJDZZWUVEZj9GQMUqxfKQX+Zz5U:8IlqtIA83WUVEZj9GQMUqxfKQuZz5U
File Content Preview:	MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......u...1...1...1.......0...~...0.......0...Rich1...........PE..L....C.H.....................p......`.............@................

File Icon


Icon Hash:	f092d47154d692f0

Static PE Info

General
Entrypoint:	0x401460
Entrypoint Section:	.text
Digitally signed:	true
Imagebase:	0x400000
Subsystem:	windows gui
Image File Characteristics:	LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
DLL Characteristics:
Time Stamp:	0x48164384 [Mon Apr 28 21:37:08 2008 UTC]
TLS Callbacks:
CLR (.Net) Version:
OS Version Major:	4
OS Version Minor:	0
File Version Major:	4
File Version Minor:	0
Subsystem Version Major:	4
Subsystem Version Minor:	0
Import Hash:	3f04be9c844308940905412ae6398e70

Authenticode Signature

Signature Valid:	false
Signature Issuer:	E=Bojarers4@YNGELPLEJERNE.Dec, CN=KOMMUNIKATIONSPORT, OU=FORVRELSERS, O=Smugkroernes7, L=DISILLUSIONIST, S=underthane, C=SZ
Signature Validation Error:	A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider
Error Number:	-2146762487
Not Before, Not After	8/2/2021 3:42:32 PM 8/2/2022 3:42:32 PM
Subject Chain	E=Bojarers4@YNGELPLEJERNE.Dec, CN=KOMMUNIKATIONSPORT, OU=FORVRELSERS, O=Smugkroernes7, L=DISILLUSIONIST, S=underthane, C=SZ
Version:	3
Thumbprint MD5:	FBE54C5E9F4823869F0A4679D90E0A7F
Thumbprint SHA-1:	06527A5BDEB0338B966DE1A96DB2ADCE4BB32D18
Thumbprint SHA-256:	C9FD39A34B58F4B82A00777D99B72B82EEA9A4BEC7DB78568EEA00B0A60A5578
Serial:	00

Entrypoint Preview

Instruction
push 00417624h
call 00007F3FF0DB59D3h
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
xor byte ptr [eax], al
add byte ptr [eax], al
inc eax
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add cl, ah
and edx, dword ptr [ecx+2Dh]
dec ebx
test byte ptr [ecx+2953AB48h], ah
dec eax
mov al, 5Dh
daa
xor al, byte ptr [eax]
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [ecx], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [edx+61h], al
insb
insb
jo 00007F3FF0DB5A55h
jnc 00007F3FF0DB5A56h
jc 00007F3FF0DB59E3h
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add bh, bh
int3
xor dword ptr [eax], eax
and eax, F3F110E9h
pop esp
cmp byte ptr [edi-3C237BBCh], dl
adc dl, byte ptr [ecx+51A4A65Ah]
jmp far 46A0h : C6F9A0ECh
mov dh, 14h
rcl dword ptr [edi-5E3023AAh], cl
cmp cl, byte ptr [edi-53h]
xor ebx, dword ptr [ecx-48EE309Ah]
or al, 00h
stosb
add byte ptr [eax-2Dh], ah
xchg eax, ebx
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
xchg eax, ebx
pushad
add dword ptr [eax], eax
aaa
pop eax
add byte ptr [eax], al
add byte ptr [esi], cl
add byte ptr [ebx+55h], dl
inc ebx
inc ebx
inc ebp
push ebx
push ebx
dec ecx
dec edi
dec esi
inc ebp
push edx
dec esi
inc ebp
add byte ptr [4F000C01h], cl

Data Directories

Name	Virtual Address	Virtual Size	Is in Section
IMAGE_DIRECTORY_ENTRY_EXPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_IMPORT	0x1b634	0x28	.text
IMAGE_DIRECTORY_ENTRY_RESOURCE	0x1d000	0x5b9e	.rsrc
IMAGE_DIRECTORY_ENTRY_EXCEPTION	0x0	0x0
IMAGE_DIRECTORY_ENTRY_SECURITY	0x23000	0x1558
IMAGE_DIRECTORY_ENTRY_BASERELOC	0x0	0x0
IMAGE_DIRECTORY_ENTRY_DEBUG	0x0	0x0
IMAGE_DIRECTORY_ENTRY_COPYRIGHT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_GLOBALPTR	0x0	0x0
IMAGE_DIRECTORY_ENTRY_TLS	0x0	0x0
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG	0x0	0x0
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT	0x228	0x20
IMAGE_DIRECTORY_ENTRY_IAT	0x1000	0x138	.text
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR	0x0	0x0
IMAGE_DIRECTORY_ENTRY_RESERVED	0x0	0x0

Sections

Name	Virtual Address	Virtual Size	Raw Size	Xored PE	ZLIB Complexity	File Type	Entropy	Characteristics
.text	0x1000	0x1ab34	0x1b000	False	0.488389756944	data	6.47586194473	IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
.data	0x1c000	0xaac	0x1000	False	0.00634765625	data	0.0	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
.rsrc	0x1d000	0x5b9e	0x6000	False	0.213745117188	data	3.87033603675	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

Resources

Name	RVA	Size	Type	Language	Country
RT_ICON	0x21cf6	0xea8	data
RT_ICON	0x2144e	0x8a8	data
RT_ICON	0x20ee6	0x568	GLS_BINARY_LSB_FIRST
RT_ICON	0x1e93e	0x25a8	data
RT_ICON	0x1d896	0x10a8	data
RT_ICON	0x1d42e	0x468	GLS_BINARY_LSB_FIRST
RT_GROUP_ICON	0x1d3d4	0x5a	data
RT_VERSION	0x1d1e0	0x1f4	data	English	United States

Imports

DLL

Import

MSVBVM60.DLL

_CIcos, _adj_fptan, __vbaHresultCheck, __vbaAryMove, __vbaFreeVar, __vbaStrVarMove, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryVar, __vbaAryDestruct, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaStrCmp, DllFunctionCall, _adj_fpatan, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaVar2Vec, __vbaNew2, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaLateMemCall, __vbaVarDup, __vbaStrToAnsi, __vbaFpI4, _CIatan, __vbaAryCopy, __vbaStrMove, _allmul, _CItan, __vbaFPInt, _CIexp, __vbaFreeObj, __vbaFreeStr

Version Infos

Description	Data
Translation	0x0409 0x04b0
ProductVersion	1.00
InternalName	PROKURAERS
FileVersion	1.00
OriginalFilename	PROKURAERS.exe
ProductName	Ballepresser

Possible Origin

Language of compilation system	Country where language is spoken	Map
English	United States

Network Behavior

No network behavior found

Code Manipulations

Statistics

System Behavior

Analysis Process: Weemaes B.V.-PO74748392.exe PID: 5656 Parent PID: 5700

General

Start time:	09:43:04
Start date:	03/08/2021
Path:	C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe
Wow64 process (32bit):	true
Commandline:	'C:\Users\user\Desktop\Weemaes B.V.-PO74748392.exe'
Imagebase:	0x400000
File size:	148824 bytes
MD5 hash:	A08F23A15EF10B17370668CF5B9947AD
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	Visual Basic
Yara matches:	Rule: JoeSecurity_GuLoader_2, Description: Yara detected GuLoader, Source: 00000001.00000002.758678567.00000000021C0000.00000040.00000001.sdmp, Author: Joe Security
Reputation:	low

Disassembly

Code Analysis

Reset < >

Description:	Adversaries may inject code into processes in order to evade process-based defenses as well as possibly elevate privileges. Process injection is a method of executing arbitrary code in the address space of a separate live process. Running code in the context of another process may allow access to the process's memory, system/network resources, and possibly elevated privileges. Execution via process injection may also evade detection from security products since the execution is masked under a legitimate process.
Tactics:	Defense Evasion, Privilege Escalation
Data Sources:	API monitoring, DLL monitoring, File monitoring, Named Pipes, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ various means to detect and avoid virtualization and analysis environments. This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox. If the adversary detects a VME, they may alter their malware to disengage from the victim or conceal the core functions of the implant. They may also search for VME artifacts before dropping secondary or additional payloads. Adversaries may use the information learned from [Virtualization/Sandbox Evasion](https://attack.mitre.org/techniques/T1497) during automated discovery to shape follow-on behaviors.
Tactics:	Defense Evasion, Discovery
Data Sources:	Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents on the system or in transit. This is common behavior that can be used across different platforms and the network to evade defenses.
Tactics:	Defense Evasion
Data Sources:	Binary file metadata, Email gateway, Environment variable, File monitoring, Malware reverse engineering, Network intrusion detection system, Network protocol analysis, Process command-line parameters, Process monitoring, Process use of network, SSL/TLS inspection, Windows event logs
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	AWS CloudTrail logs, Azure activity logs, File monitoring, Process command-line parameters, Process monitoring, Stackdriver logs
Platforms:	AWS, Azure, Azure AD, GCP, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software/applications running on systems within the network. Adversaries may use the information from Process Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	API monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	AWS CloudTrail logs, Azure activity logs, Process command-line parameters, Process monitoring, Stackdriver logs
Platforms:	AWS, Azure, GCP, Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may compress and/or encrypt data that is collected prior to exfiltration. Compressing the data can help to obfuscate the collected data and minimize the amount of data sent over the network. Encryption can be used to hide information that is being exfiltrated from detection or make exfiltration less conspicuous upon inspection by a defender.
Tactics:	Collection
Data Sources:	Binary file metadata, File monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Malware reverse engineering, Netflow/Enclave netflow, Packet capture, Process monitoring, Process use of network, SSL/TLS inspection
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
Tactics:	Command and Control
Data Sources:	DNS records, Netflow/Enclave netflow, Network protocol analysis, Packet capture, Process monitoring, Process use of network
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Warning!

Windows Analysis Report Weemaes B.V.-PO74748392.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Configuration

Threatname: GuLoader

Yara Overview

Memory Dumps

Sigma Overview

Jbx Signature Overview

AV Detection:

Compliance:

Networking:

System Summary:

Data Obfuscation:

Hooking and other Techniques for Hiding and Protection:

Malware Analysis System Evasion:

Anti Debugging:

HIPS / PFW / Operating System Protection Evasion:

Language, Device and Operating System Detection:

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

Contacted URLs

Contacted IPs

General Information

Simulations

Behavior and APIs

Joe Sandbox View / Context

IPs

Domains

ASN

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

File Icon

Static PE Info

General

Authenticode Signature

Entrypoint Preview

Data Directories

Sections

Resources

Imports

Version Infos

Possible Origin

Network Behavior

Code Manipulations

Statistics

System Behavior

Analysis Process: Weemaes B.V.-PO74748392.exe PID: 5656 Parent PID: 5700

General

Disassembly

Code Analysis