Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240221-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
0c0a0bc051250b85c601d58c925b1f45
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SHA1
7d1370fdd44a132865f226b22b42a20c4172a0b8
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SHA256
e1bd4290607c1885cd99f16d0fd3112b2931e612a3fdc23602717c3db012dfee
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SHA512
fc33a361f49d7b483185faa6863700e1e9c0d6b6452f85ea204afd90ceaed33bce746175e963c75f53ab7d82bc2ac078d044e6264207d55b8bdc805cc8c2d6e4
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SSDEEP
49152:jvvhBYjCO4Dt2d5aKCuVPzlEmVQL0wvwkaUtmxmzqsoGdXTHHB72eh2NT:jvft2d5aKCuVPzlEmVQ0wvwfUtmg
Malware Config
Extracted
quasar
1.4.1
OFODAO
189.113.231.124:4782
10.0.2.15:4782
4a726bec-d78d-49e4-b453-cb5acd0797e1
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encryption_key
7B9DD822D12312D739AA1F129C097ADB0902AA19
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install_name
Alliance-AIM.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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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