General
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Target
af1d446bb3abc47b5eacb7a00ebb1992be1c464cac5b0e4283b12f0500c3ad4e
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Size
534KB
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MD5
17e6bffaff1ea223913deb1bc78e74ae
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SHA1
67daf17f3c8f6d2169b24f9a3698921991bbba2f
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SHA256
af1d446bb3abc47b5eacb7a00ebb1992be1c464cac5b0e4283b12f0500c3ad4e
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SHA512
72086bdd67ce5c778a625d37d7069200747b70193742afee986ec3d58b3a4a5c95b206c91997faf5d3e46e7ab379955db5f033a8b10a4a4899ff6e6068c60ab6
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SSDEEP
6144:l8fGABIgrx8kFYLTiMkbMaOcXL/Tb88ASigvCcD+6cfsfiTDpxUKl3Gy3V8/GV0S:EPx7FYPiMNA/flvCcqTsfGpxLl+u
Malware Config
Extracted
quasar
2.1.0.0
asdf
checkme12.freeddns.org:1604
VNM_MUTEX_yidaALoSEROfTPWHwX
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encryption_key
TbfVFQWqb0uiZoBjJ9E9
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Venom Client Startup
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subdirectory
UPX
Signatures
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Processes:
resource yara_rule sample disable_win_def -
Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar
Files
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af1d446bb3abc47b5eacb7a00ebb1992be1c464cac5b0e4283b12f0500c3ad4e.exe windows 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: 531KB - Virtual size: 531KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
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