Behavioral task
behavioral1
Sample
87b488fc8f9760bc9182c32ef76be93c.exe
Resource
win7-20240903-en
General
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Target
87b488fc8f9760bc9182c32ef76be93c.exe
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Size
3.1MB
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MD5
87b488fc8f9760bc9182c32ef76be93c
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SHA1
16c3c1c53963cfedb800515b70e27ca2b7dd79fd
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SHA256
457e291dc62946ab2dc1cb558ffca2e90e5ebbd4a27013c5a23930339aedb978
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SHA512
30397f8eaf6444502e7e69463463c759711030b0b0ce6812f64f48dee7be6d4ba212045544396ef9e603248bb71a5e4a312eb70a6e7b541161a18301003d089c
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SSDEEP
49152:evQI22SsaNYfdPBldt698dBcjHaLA3qarWboGdmhIOTHHB72eh2NT:evt22SsaNYfdPBldt6+dBcjHN3c
Malware Config
Extracted
quasar
1.4.1
Office04
43.138.147.74:4782
4b095ece-017a-46f8-874b-d1266394fa10
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encryption_key
AB08BB6743A540F991F118F0E7BF74E3D06D95A1
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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
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 87b488fc8f9760bc9182c32ef76be93c.exe
Files
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87b488fc8f9760bc9182c32ef76be93c.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