Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241010-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
ee86735f1427e86dcbba39339cecfe15
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SHA1
cd492443264bdae1f0a5e5f16e57af3d1819a3ec
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SHA256
655d2103255a0ec7e0aa4b488d75499ce880428fdcc2831bfdc52987b4660995
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SHA512
59309d24c6df7d66033afe1aac2a7cc734438c3a6dfd02ad8a20299216fee4417dd10931a283366cbf42dea2b83b3e451527817c084bb20aac4c9800c68b82b1
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SSDEEP
49152:2v9t62XlaSFNWPjljiFa2RoUYI8IRJ6ibR3LoGdeoYtTHHB72eh2NT:2v/62XlaSFNWPjljiFXRoUYI8IRJ6c
Malware Config
Extracted
quasar
1.4.1
Qussa
ggergejhijseih.myvnc.com:47820
5910e19f-3073-4c42-a174-513d316126e7
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encryption_key
7A23123B6E1E0CCDB27477C6C7654C7BE2FEDE54
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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
xml
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subdirectory
SubDir
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 Client-built.exe
Files
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Client-built.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: 3KB - 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