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
e60175e496024c929635816438b40fe2
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SHA1
56a7bc169835945de5ac601426e720301141b144
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SHA256
ec1748bb524a5304d32d79ce0bde249c75d787812ad9a49bcd5d67a58c98859a
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SHA512
96bea0aec6b4822bbfe4bbc61d7d70dc27b18ccda3f85c7e8c9f8157235fc57812ccc305869d20df0ffe7bf34f1ba757c837752aad1ae0f5eddea95acc13c119
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SSDEEP
49152:rvnI22SsaNYfdPBldt698dBcjH1ImebRjLoGdATHHB72eh2NT:rvI22SsaNYfdPBldt6+dBcjH1Ims
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.68.64:4782
aac51872-c353-4334-af00-fe48eb068661
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encryption_key
6808A7D4497331E0215E1BD4F8BAFC9D1A6A08F0
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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-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