Behavioral task
behavioral1
Sample
$vex-powershell.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
$vex-powershell.exe
Resource
win10v2004-20240426-en
General
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Target
$vex-powershell.exe
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Size
3.1MB
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MD5
4d36b02764bde0103a6d0e4798f58e6b
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SHA1
dfd688682faf3e8b01396ac82d97ef1662acbe84
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SHA256
7dd60abc589c67aaeb8318b28896557f3ee182b66c12e016883bf75f06ce67c6
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SHA512
da7e8501fd61717daad59ee9540fb615a7aee9d774f5a4862184ff41359d65676614141b9c056db0e0041c7c4f7a5376751ebbc919e0e59692f1710a770c0460
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SSDEEP
49152:lvdI22SsaNYfdPBldt698dBcjHMvhobRjPdoGdXTPTHHB72eh2NT:lv222SsaNYfdPBldt6+dBcjHMvhIl
Malware Config
Extracted
quasar
1.4.1
XenoVex
even-lemon.gl.at.ply.gg:33587
fb029cc1-15b5-4045-a498-9c354bd2499b
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encryption_key
13B464E0B1FC18BBCC60086DCA7157CD2EF3CDDA
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install_name
$vex-powershell.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
$vex-powershell
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subdirectory
$vex-xenovex1
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource $vex-powershell.exe
Files
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$vex-powershell.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ