Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20240708-en
General
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Target
Client.exe
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Size
3.1MB
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MD5
d1675434eee067b0a023a3c31cf7ba75
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SHA1
baf38fe44bfea1a3f4ef5c387b71d2e08e7edc29
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SHA256
fd5b712e067c1089aed9df7588844adef501a2c9742107a564a408965fb87c12
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SHA512
2316bc1b93a8b816963c5199f2fecaabaaef355bd8047af3c3b432250ae92e3010db45887a57176d1a639849f70c9c16fdec5b28c3f9ab9a166456fb003657ec
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SSDEEP
49152:rvyI22SsaNYfdPBldt698dBcjH7CD2a95fQ7k/PLoGdNTHHB72eh2NT:rvf22SsaNYfdPBldt6+dBcjHe6aD
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.83:4782
20eb3b08-32c9-45df-9d5a-fb58af454c08
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encryption_key
22C1A62E3E9EE906C0C8F9D30DA34D63B8A197BA
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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
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Client.exe
Files
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Client.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