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Analysis Report 001982_Invoice_confirmation.exe

Overview

General Information

Sample Name:	001982_Invoice_confirmation.exe
Analysis ID:	337597
MD5:	e0167e6a13fea0d69a43e377fba75af4
SHA1:	03b36796e30e11ebae69edf59fc135fdb6c69233
SHA256:	f67020d5de462a963aeeaae1afe2bba3ba629da38a85a035a9389c454a402d0a
Tags:	exeGuLoader
Most interesting Screenshot:

Detection

GuLoader

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

Signatures

Potential malicious icon found

Yara detected GuLoader

Executable has a suspicious name (potential lure to open the executable)

Initial sample is a PE file and has a suspicious name

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect virtualization through RDTSC time measurements

Yara detected VB6 Downloader Generic

Abnormal high CPU Usage

Contains functionality for execution timing, often used to detect debuggers

Contains functionality to read the PEB

Detected potential crypto function

PE file contains strange resources

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

Uses 32bit PE files

Uses code obfuscation techniques (call, push, ret)

Classification

Startup

System is w10x64

001982_Invoice_confirmation.exe (PID: 7120 cmdline: 'C:\Users\user\Desktop\001982_Invoice_confirmation.exe' MD5: E0167E6A13FEA0D69A43E377FBA75AF4)

cleanup

Malware Configuration

No configs have been found

Yara Overview

Memory Dumps

Source	Rule	Description	Author	Strings
Process Memory Space: 001982_Invoice_confirmation.exe PID: 7120	JoeSecurity_VB6DownloaderGeneric	Yara detected VB6 Downloader Generic	Joe Security
Process Memory Space: 001982_Invoice_confirmation.exe PID: 7120	JoeSecurity_GuLoader	Yara detected GuLoader	Joe Security

Sigma Overview

No Sigma rule has matched

Signature Overview

Click to jump to signature section

Show All Signature Results

Source: 001982_Invoice_confirmation.exe

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

System Summary:

Potential malicious icon found

Show sources

Source: initial sample

Icon embedded in PE file: bad icon match: 20047c7c70f0e004

Executable has a suspicious name (potential lure to open the executable)

Show sources

Source: 001982_Invoice_confirmation.exe

Static file information: Suspicious name

Initial sample is a PE file and has a suspicious name

Show sources

Source: initial sample

Static PE information: Filename: 001982_Invoice_confirmation.exe

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

Process Stats: CPU usage > 98%

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

Code function: 0_2_00401600

0_2_00401600

Source: 001982_Invoice_confirmation.exe

Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST

Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1426308273.0000000000416000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameRaala.exe vs 001982_Invoice_confirmation.exe
Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1427161222.0000000002090000.00000002.00000001.sdmp	Binary or memory string: OriginalFilenameuser32j% vs 001982_Invoice_confirmation.exe
Source: 001982_Invoice_confirmation.exe	Binary or memory string: OriginalFilenameRaala.exe vs 001982_Invoice_confirmation.exe

Source: 001982_Invoice_confirmation.exe

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

Source: classification engine

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

Source: 001982_Invoice_confirmation.exe

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

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

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

Jump to behavior

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

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

Jump to behavior

Data Obfuscation:

Yara detected GuLoader

Show sources

Source: Yara match

File source: Process Memory Space: 001982_Invoice_confirmation.exe PID: 7120, type: MEMORY

Yara detected VB6 Downloader Generic

Show sources

Source: Yara match

File source: Process Memory Space: 001982_Invoice_confirmation.exe PID: 7120, type: MEMORY

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

Code function: 0_2_0040597E push AAA4CA0Bh; retf

0_2_004059C0

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior

Malware Analysis System Evasion:

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Show sources

Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1426657754.00000000004F0000.00000040.00000001.sdmp

Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE

Tries to detect virtualization through RDTSC time measurements

Show sources

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

RDTSC instruction interceptor: First address: 000000000040433A second address: 000000000040433A instructions: 0x00000000 rdtsc 0x00000002 wait 0x00000003 nop 0x00000004 dec esi 0x00000005 nop 0x00000006 nop 0x00000007 cmp esi, 00000000h 0x0000000a jne 00007FCAB4A39366h 0x0000000c rdtsc

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

Code function: 0_2_004F1060 rdtsc

0_2_004F1060

Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1426657754.00000000004F0000.00000040.00000001.sdmp

Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe

Code function: 0_2_004F1060 rdtsc

0_2_004F1060

Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F1C6F mov eax, dword ptr fs:[00000030h]	0_2_004F1C6F
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F1C6D mov eax, dword ptr fs:[00000030h]	0_2_004F1C6D
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F4CC8 mov eax, dword ptr fs:[00000030h]	0_2_004F4CC8
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F516B mov eax, dword ptr fs:[00000030h]	0_2_004F516B
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F2D97 mov eax, dword ptr fs:[00000030h]	0_2_004F2D97
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F164F mov eax, dword ptr fs:[00000030h]	0_2_004F164F
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F1ED7 mov eax, dword ptr fs:[00000030h]	0_2_004F1ED7
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F1ED1 mov eax, dword ptr fs:[00000030h]	0_2_004F1ED1
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F5AEA mov eax, dword ptr fs:[00000030h]	0_2_004F5AEA
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F5AE0 mov eax, dword ptr fs:[00000030h]	0_2_004F5AE0
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F5B46 mov eax, dword ptr fs:[00000030h]	0_2_004F5B46
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F5B06 mov eax, dword ptr fs:[00000030h]	0_2_004F5B06
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F1F00 mov eax, dword ptr fs:[00000030h]	0_2_004F1F00
Source: C:\Users\user\Desktop\001982_Invoice_confirmation.exe	Code function: 0_2_004F5B27 mov eax, dword ptr fs:[00000030h]	0_2_004F5B27

Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1426938215.0000000000C50000.00000002.00000001.sdmp	Binary or memory string: Shell_TrayWnd
Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1426938215.0000000000C50000.00000002.00000001.sdmp	Binary or memory string: Progman
Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1426938215.0000000000C50000.00000002.00000001.sdmp	Binary or memory string: &Program Manager
Source: 001982_Invoice_confirmation.exe, 00000000.00000002.1426938215.0000000000C50000.00000002.00000001.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	Process Injection1	OS Credential Dumping	Security Software Discovery211	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	Obfuscated Files or Information1	LSASS Memory	Process Discovery1	Remote Desktop Protocol	Data from Removable Media	Exfiltration Over Bluetooth	Junk Data	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 Information	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

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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

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Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Warning!

Analysis Report 001982_Invoice_confirmation.exe

Overview

General Information

Detection

Signatures

Classification

Startup

Malware Configuration

Yara Overview

Memory Dumps

Sigma Overview

Signature Overview

Compliance:

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