Behavioral task
behavioral1
Sample
Client-built1.exe
Resource
win7-20240903-en
General
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Target
Client-built1.exe
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Size
3.1MB
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MD5
0213a1dc625eaf82e4d4a94ef9155eeb
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SHA1
af3df68c68a7070079b123ce2f22389a5aa768df
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SHA256
532a988eeae201a337f328d2120f8af790042da93735c0fc0c17a1063fdf7f60
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SHA512
67277e020c3776695b2fb854e834a2850dcfd378fed62b84414ead8c1dce7d1859b2799c973f599a4661124912a49c685c8438b3df7e4012ee7777b1ce489f26
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SSDEEP
49152:Wvkt62XlaSFNWPjljiFa2RoUYIAQYiimzItoGdUTHHB72eh2NT:Wv462XlaSFNWPjljiFXRoUYINYiE
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.20.5:4782
cd5c1121-523a-481c-bbf0-684c5522dd85
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encryption_key
D49DA0049C9A948B065557C5F7F0C812465A95EA
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install_name
argonui.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
ArgonUpdater
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subdirectory
Argon
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-built1.exe
Files
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Client-built1.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