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Analysis
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max time kernel
93s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2024, 00:37
Static task
static1
Behavioral task
behavioral1
Sample
26377035c529b14f234adb3b72b78f7a.exe
Resource
win7-20240729-en
General
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Target
26377035c529b14f234adb3b72b78f7a.exe
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Size
521KB
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MD5
26377035c529b14f234adb3b72b78f7a
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SHA1
d4c00926cc53ceb5f8121d48842d9e362a1afe31
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SHA256
ddf3c590d0cd0bf3f871c5baa3a84e14428cecf3a929fd2c40d483e3252d45ff
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SHA512
5a40246844578d935df61af4c4645bc69bc3a8d884a4165667f3928dbdef456e81d584b26fa96d7f7251963bfcbfd75ce751f701e9ac53b903141bb263a638fd
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SSDEEP
12288:0Ui8M2PZpmXMoNLuV4qfxth5RbF/HdG2iClJSYvV64fCETEO:0UH7PZXeVq15RF/Hd9iWSYcvmt
Malware Config
Extracted
stealc
default
http://46.8.231.109
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url_path
/c4754d4f680ead72.php
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation cmd.exe -
Loads dropped DLL 2 IoCs
pid Process 3024 MSBuild.exe 3024 MSBuild.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2532 set thread context of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1084 2532 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26377035c529b14f234adb3b72b78f7a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3024 MSBuild.exe 3024 MSBuild.exe 3024 MSBuild.exe 3024 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2296 cmd.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 2532 wrote to memory of 3024 2532 26377035c529b14f234adb3b72b78f7a.exe 84 PID 3024 wrote to memory of 2296 3024 MSBuild.exe 91 PID 3024 wrote to memory of 2296 3024 MSBuild.exe 91 PID 3024 wrote to memory of 2296 3024 MSBuild.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\26377035c529b14f234adb3b72b78f7a.exe"C:\Users\Admin\AppData\Local\Temp\26377035c529b14f234adb3b72b78f7a.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\IECGHJKKJD.exe"3⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 3002⤵
- Program crash
PID:1084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2532 -ip 25321⤵PID:1040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571