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Windows Analysis Report pago12_14299038859.exe

Overview

General Information

Sample Name:	pago12_14299038859.exe
Analysis ID:	539535
MD5:	9a1518ed709f916360e56b5ac7d76995
SHA1:	7c85312d66edf5b02ebd6c25cfe9c036a3471263
SHA256:	2a0878c196278384aab473c92977d236680c788b4e5ae0cc1f415a075a6fa9e2
Tags:	exe
Infos:
Most interesting Screenshot:

Detection

GuLoader

Score:	76
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Found malware configuration

Multi AV Scanner detection for submitted file

Yara detected GuLoader

Tries to detect virtualization through RDTSC time measurements

C2 URLs / IPs found in malware configuration

Machine Learning detection for sample

Uses 32bit PE files

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

PE file contains strange resources

Contains functionality to read the PEB

Uses code obfuscation techniques (call, push, ret)

Detected potential crypto function

Contains functionality to call native functions

Contains functionality for execution timing, often used to detect debuggers

Abnormal high CPU Usage

Classification

Process Tree

System is w10x64

pago12_14299038859.exe (PID: 4680 cmdline: "C:\Users\user\Desktop\pago12_14299038859.exe" MD5: 9A1518ED709F916360E56B5AC7D76995)

cleanup

Malware Configuration

Threatname: GuLoader

{"Payload URL": "https://drive.google.com/uc?export=download&id=1rvzmbX5uh5o/"}

Yara Overview

Memory Dumps

Source	Rule	Description	Author	Strings
00000000.00000002.1196997646.0000000004D20000.00000040.00000001.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: 00000000.00000002.1196997646.0000000004D20000.00000040.00000001.sdmp

Malware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=download&id=1rvzmbX5uh5o/"}

Multi AV Scanner detection for submitted file

Show sources

Source: pago12_14299038859.exe

ReversingLabs: Detection: 15%

Machine Learning detection for sample

Show sources

Source: pago12_14299038859.exe

Joe Sandbox ML: detected

Source: pago12_14299038859.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: https://drive.google.com/uc?export=download&id=1rvzmbX5uh5o/

Source: pago12_14299038859.exe

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

Source: pago12_14299038859.exe, 00000000.00000002.1196818293.0000000002930000.00000004.00000001.sdmp	Binary or memory string: OriginalFilenameFort.exeFE2X vs pago12_14299038859.exe
Source: pago12_14299038859.exe, 00000000.00000000.669780195.000000000042B000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameFort.exe vs pago12_14299038859.exe
Source: pago12_14299038859.exe	Binary or memory string: OriginalFilenameFort.exe vs pago12_14299038859.exe

Source: pago12_14299038859.exe

Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST

Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2841D
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2D38F
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D204CA
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28498
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2749D
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C4BD
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C45D
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28441
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D205C3
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D265C9
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26589
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D20549
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2057D
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D20517
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C509
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D236F8
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C66C
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2663D
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26759
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C70E
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D260CA
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D260F6
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D29085
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C052
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2706B
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26005
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28180
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C2E9
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28255
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C259
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26214
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C226
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C3D1
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D263ED
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2838C
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C37D
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2632E
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26C93
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D27C39
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26DC9
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26EE9
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D25F92
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26F8D
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D268D1
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D269B1
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D259A7
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D289A8
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26951
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2595B
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28A90
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26A75
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28A15
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28BD1
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D25BF0
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D25BB1
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28B59
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D26B4E

Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2841D NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D284D9 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28498 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28441 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28551 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28663 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28621 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D28255 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2838C NtAllocateVirtualMemory,

Source: C:\Users\user\Desktop\pago12_14299038859.exe

Process Stats: CPU usage > 98%

Source: pago12_14299038859.exe

ReversingLabs: Detection: 15%

Source: pago12_14299038859.exe

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

Source: C:\Users\user\Desktop\pago12_14299038859.exe

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

Source: C:\Users\user\Desktop\pago12_14299038859.exe

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

Source: C:\Users\user\Desktop\pago12_14299038859.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\InprocServer32

Source: C:\Users\user\Desktop\pago12_14299038859.exe

File created: C:\Users\user\AppData\Local\Temp\~DF56158A8C389C0AF7.TMP

Jump to behavior

Source: classification engine

Classification label: mal76.troj.evad.winEXE@1/1@0/0

Data Obfuscation:

Yara detected GuLoader

Show sources

Source: Yara match

File source: 00000000.00000002.1196997646.0000000004D20000.00000040.00000001.sdmp, type: MEMORY

Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_00406471 push edi; iretd
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_00409011 push esp; retf
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_0040682F push esi; retf
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_0040A490 push ds; iretd
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_004079F6 push eax; retf
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_004055BF push ds; ret
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_00405ECC push ebp; ret
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_00407F27 push edi; ret
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_00407FBA push eax; iretd
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2747D pushfd ; iretd
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D27404 pushfd ; iretd
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D200CA push 5D54C3DCh; ret
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D29157 push E8BBB633h; retf 001Bh
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D24344 push 8122E3ECh; ret
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D27371 pushfd ; iretd
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D27368 pushfd ; iretd
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D21F01 push esi; ret
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D29B93 pushfd ; iretd

Source: initial sample

Static PE information: section name: .text entropy: 7.15645216813

Source: C:\Users\user\Desktop\pago12_14299038859.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Process information set: NOOPENFILEERRORBOX

Malware Analysis System Evasion:

Tries to detect virtualization through RDTSC time measurements

Show sources

Source: C:\Users\user\Desktop\pago12_14299038859.exe

RDTSC instruction interceptor: First address: 0000000004D27C16 second address: 0000000004D27C16 instructions: 0x00000000 rdtsc 0x00000002 mov eax, B4901491h 0x00000007 sub eax, 05E3F0C7h 0x0000000c xor eax, 8F9A272Fh 0x00000011 sub eax, 213604E4h 0x00000016 cpuid 0x00000018 popad 0x00000019 call 00007F6BBC38AE6Dh 0x0000001e lfence 0x00000021 mov edx, 238EE826h 0x00000026 sub edx, 0388C43Eh 0x0000002c xor edx, E448541Bh 0x00000032 xor edx, BBB077E7h 0x00000038 mov edx, dword ptr [edx] 0x0000003a lfence 0x0000003d ret 0x0000003e sub edx, esi 0x00000040 ret 0x00000041 pop ecx 0x00000042 add edi, edx 0x00000044 dec ecx 0x00000045 mov dword ptr [ebp+00000229h], AD8B339Ah 0x0000004f xor dword ptr [ebp+00000229h], 22419229h 0x00000059 xor dword ptr [ebp+00000229h], 3996C157h 0x00000063 sub dword ptr [ebp+00000229h], B65C60E4h 0x0000006d cmp ecx, dword ptr [ebp+00000229h] 0x00000073 jne 00007F6BBC38AD87h 0x00000075 cmp cx, ax 0x00000078 mov dword ptr [ebp+0000020Bh], ebx 0x0000007e mov ebx, ecx 0x00000080 push ebx 0x00000081 mov ebx, dword ptr [ebp+0000020Bh] 0x00000087 jmp 00007F6BBC38AE2Eh 0x00000089 cmp dl, bl 0x0000008b call 00007F6BBC38AE71h 0x00000090 call 00007F6BBC38AE8Eh 0x00000095 lfence 0x00000098 mov edx, 238EE826h 0x0000009d sub edx, 0388C43Eh 0x000000a3 xor edx, E448541Bh 0x000000a9 xor edx, BBB077E7h 0x000000af mov edx, dword ptr [edx] 0x000000b1 lfence 0x000000b4 ret 0x000000b5 mov esi, edx 0x000000b7 pushad 0x000000b8 rdtsc

Source: C:\Users\user\Desktop\pago12_14299038859.exe

Code function: 0_2_04D27C0E rdtsc

Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2B2F5 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C259 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2C226 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D2ACF0 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\pago12_14299038859.exe	Code function: 0_2_04D27A41 mov eax, dword ptr fs:[00000030h]

Source: C:\Users\user\Desktop\pago12_14299038859.exe

Code function: 0_2_04D27C0E rdtsc

Source: C:\Users\user\Desktop\pago12_14299038859.exe

Code function: 0_2_04D2D38F RtlAddVectoredExceptionHandler,

Source: pago12_14299038859.exe, 00000000.00000002.1196704342.0000000000C40000.00000002.00020000.sdmp	Binary or memory string: Program Manager
Source: pago12_14299038859.exe, 00000000.00000002.1196704342.0000000000C40000.00000002.00020000.sdmp	Binary or memory string: Shell_TrayWnd
Source: pago12_14299038859.exe, 00000000.00000002.1196704342.0000000000C40000.00000002.00020000.sdmp	Binary or memory string: Progman
Source: pago12_14299038859.exe, 00000000.00000002.1196704342.0000000000C40000.00000002.00020000.sdmp	Binary or memory string: Progmanlock

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	Software Packing1	OS Credential Dumping	Security Software Discovery11	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	Process Discovery1	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 Information2	Security Account Manager	System Information Discovery11	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

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
pago12_14299038859.exe	16%	ReversingLabs
pago12_14299038859.exe	100%	Joe Sandbox ML

Dropped Files

No Antivirus matches

Unpacked PE Files

No Antivirus matches

Domains

No Antivirus matches

URLs

No Antivirus matches

Domains and IPs

Contacted Domains

No contacted domains info

Contacted IPs

No contacted IP infos

General Information

Joe Sandbox Version:	34.0.0 Boulder Opal
Analysis ID:	539535
Start date:	14.12.2021
Start time:	13:59:26
Joe Sandbox Product:	CloudBasic
Overall analysis duration:	0h 7m 33s
Hypervisor based Inspection enabled:	false
Report type:	light
Sample file name:	pago12_14299038859.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:	16
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:	mal76.troj.evad.winEXE@1/1@0/0
EGA Information:	Failed
HDC Information:	Successful, ratio: 7.8% (good quality ratio 5%) Quality average: 37.9% Quality standard deviation: 33.2%
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): BackgroundTransferHost.exe, backgroundTaskHost.exe, svchost.exe, wuapihost.exe Excluded IPs from analysis (whitelisted): 131.253.33.200, 13.107.22.200 Excluded domains from analysis (whitelisted): ris.api.iris.microsoft.com, www.bing.com, dual-a-0001.dc-msedge.net, ocsp.digicert.com, a-0001.a-afdentry.net.trafficmanager.net, store-images.s-microsoft.com, www-bing-com.dual-a-0001.a-msedge.net, ctldl.windowsupdate.com, displaycatalog.mp.microsoft.com, img-prod-cms-rt-microsoft-com.akamaized.net, arc.msn.com

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

C:\Users\user\AppData\Local\Temp\~DF56158A8C389C0AF7.TMP Download File
Process:	C:\Users\user\Desktop\pago12_14299038859.exe
File Type:	Composite Document File V2 Document, Cannot read section info
Category:	dropped
Size (bytes):	16384
Entropy (8bit):	0.9730200708513237
Encrypted:	false
SSDEEP:	24:r/hDKifA3RuOH/3+aVR4J5lBefVYyDnKoKgQBX2:rJKifAhx5853weyDKoKgQB
MD5:	E8C98D07896778A7A68D9895386FC8A0
SHA1:	734F506C412CAFA5BF6680E7C1EBBE939CE63773
SHA-256:	DCEDB0D3B75126360C0556DC3310ACBBB97ADAD114F518DF8C65E84C0E6BED51
SHA-512:	A48737384CACB83CDB77F1CD5CCD89EB50E5CB48C7F6A41E2EC91093A4B4E6A634B0CCF85C39B4DC49D6C0B4D3D2DEF69FF002FCD96D0CC9EA8AFADF47E6F14F
Malicious:	false
Reputation:	low
Preview:	......................>...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

Static File Info

General
File type:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy (8bit):	6.9046699069840765
TrID:	Win32 Executable (generic) a (10002005/4) 99.15% Win32 Executable Microsoft Visual Basic 6 (82127/2) 0.81% 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:	pago12_14299038859.exe
File size:	167936
MD5:	9a1518ed709f916360e56b5ac7d76995
SHA1:	7c85312d66edf5b02ebd6c25cfe9c036a3471263
SHA256:	2a0878c196278384aab473c92977d236680c788b4e5ae0cc1f415a075a6fa9e2
SHA512:	8f99b5b19d72548340c8bfc3ce6460d73c055b556daa956739cdeb67c2d0db56688e9f017deb2a94f29a298da959d479f3c8dc20123eac6762c69103cd004b13
SSDEEP:	1536:FrdvP8OOzT80mFxgs0HtyWPK0xljCwioDoWjJNa+I37KTqPRzV5pkNXuUAnq:ddvP81zTGUjKWMoDhjJNS7hPHUAnq
File Content Preview:	MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......W.x.....................\.......%.......Rich............................PE..L.....pV.................`...P......\........p....@

File Icon


Icon Hash:	937160c0d2e4f9fb

Static PE Info

General
Entrypoint:	0x40195c
Entrypoint Section:	.text
Digitally signed:	false
Imagebase:	0x400000
Subsystem:	windows gui
Image File Characteristics:	LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
DLL Characteristics:
Time Stamp:	0x567083E4 [Tue Dec 15 21:19:32 2015 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:	e7597de960f525af7c9e8aa5873fcec3

Entrypoint Preview

Instruction
push 00402000h
call 00007F6BBC8593B5h
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
cmp byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
or al, 53h
into
push ebp
sub ah, ch
push ds
inc esp
xchg eax, esi
mov al, byte ptr [E7FEEB99h]
arpl word ptr [ebx+00000000h], bx
add byte ptr [eax], al
add dword ptr [eax], eax
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
push ebx
inc ebp
dec ebp
dec ecx
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
dec esp
xor dword ptr [eax], eax
or byte ptr [eax-73h], dh
insb
xchg eax, ebx
rcpps xmm3, dqword ptr [CBA58348h]
sub eax, 9CA7CE77h
mov ebp, C69ABAB7h
mov esp, dword ptr [ebp+4Ch]
mov byte ptr [CC5C4C4Dh], al
or al, byte ptr [esi+69h]
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
stc
add eax, 04C50000h
add byte ptr [eax], al
add byte ptr [esi], al
add byte ptr [ebp+4Eh], dl
inc esp
inc ebp
push edx
dec eax
add byte ptr [53000401h], cl
je 00007F6BBC859427h
je 00007F6BBC8593C2h
sbb dword ptr [ecx], eax
add byte ptr [edx+00h], al
and eax, dword ptr [esi+6C000004h]

Data Directories

Name	Virtual Address	Virtual Size	Is in Section
IMAGE_DIRECTORY_ENTRY_EXPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_IMPORT	0x26414	0x28	.text
IMAGE_DIRECTORY_ENTRY_RESOURCE	0x2b000	0x850	.rsrc
IMAGE_DIRECTORY_ENTRY_EXCEPTION	0x0	0x0
IMAGE_DIRECTORY_ENTRY_SECURITY	0x0	0x0
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	0x238	0x20
IMAGE_DIRECTORY_ENTRY_IAT	0x1000	0x24c	.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	0x25ba0	0x26000	False	0.558850740132	data	7.15645216813	IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
.data	0x27000	0x36e4	0x1000	False	0.00634765625	data	0.0	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
.rsrc	0x2b000	0x850	0x1000	False	0.322265625	data	3.08403187378	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

Resources

Name	RVA	Size	Type	Language	Country
RT_ICON	0x2b3e8	0x468	GLS_BINARY_LSB_FIRST
RT_GROUP_ICON	0x2b3d4	0x14	data
RT_VERSION	0x2b0f0	0x2e4	data	English	United States

Imports

DLL

Import

MSVBVM60.DLL

__vbaVarSub, __vbaR8FixI4, _CIcos, _adj_fptan, __vbaStrI4, __vbaVarMove, __vbaHresultCheck, __vbaFreeVar, __vbaAryMove, __vbaStrVarMove, __vbaLenBstr, __vbaFreeVarList, _adj_fdiv_m64, _adj_fprem1, __vbaStrCat, __vbaHresultCheckObj, __vbaLenBstrB, __vbaLenVar, _adj_fdiv_m32, __vbaAryDestruct, __vbaObjSet, __vbaOnError, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaFPFix, __vbaFpR8, _CIsin, __vbaChkstk, __vbaFileClose, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaGet3, __vbaStrCmp, __vbaAryConstruct2, __vbaVarTstEq, __vbaI2I4, __vbaObjVar, __vbaStrR4, _adj_fpatan, __vbaRedim, __vbaStrR8, EVENT_SINK_Release, __vbaUI1I2, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, __vbaStrVarVal, __vbaUbound, __vbaVarCat, _CIlog, __vbaErrorOverflow, __vbaFileOpen, __vbaInStr, __vbaNew2, __vbaVar2Vec, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, __vbaDerefAry1, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaVarDup, __vbaFpI4, __vbaVarTstGe, __vbaLateMemCallLd, _CIatan, __vbaStrMove, __vbaR8IntI4, _allmul, _CItan, __vbaFPInt, _CIexp, __vbaFreeStr, __vbaFreeObj

Version Infos

Description	Data
Translation	0x0409 0x04b0
LegalCopyright	Templafy
InternalName	Fort
FileVersion	2.00
CompanyName	Templafy
LegalTrademarks	Templafy
Comments	Templafy
ProductName	Templafy
ProductVersion	2.00
FileDescription	Templafy
OriginalFilename	Fort.exe

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: pago12_14299038859.exe PID: 4680 Parent PID: 3716

General

Start time:	14:00:24
Start date:	14/12/2021
Path:	C:\Users\user\Desktop\pago12_14299038859.exe
Wow64 process (32bit):	true
Commandline:	"C:\Users\user\Desktop\pago12_14299038859.exe"
Imagebase:	0x400000
File size:	167936 bytes
MD5 hash:	9A1518ED709F916360E56B5AC7D76995
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	Visual Basic
Yara matches:	Rule: JoeSecurity_GuLoader_2, Description: Yara detected GuLoader, Source: 00000000.00000002.1196997646.0000000004D20000.00000040.00000001.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 perform software packing or virtual machine software protection to conceal their code. Software packing is a method of compressing or encrypting an executable. Packing an executable changes the file signature in an attempt to avoid signature-based detection. Most decompression techniques decompress the executable code in memory. Virtual machine software protection translates an executable's original code into a special format that only a special virtual machine can run. A virtual machine is then called to run this code.
Tactics:	Defense Evasion
Data Sources:	Binary file metadata
Platforms:	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 pago12_14299038859.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:

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 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

Entrypoint Preview

Data Directories

Sections

Resources

Imports

Version Infos

Possible Origin

Network Behavior

Code Manipulations

Statistics

System Behavior

Analysis Process: pago12_14299038859.exe PID: 4680 Parent PID: 3716

General

Disassembly

Code Analysis