Behavioral task
behavioral1
Sample
5c383cff50ac7c9f8ec2ac05464302885def4d389f6592340c23ade7eb5f5000N.exe
Resource
win7-20240708-en
General
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Target
5c383cff50ac7c9f8ec2ac05464302885def4d389f6592340c23ade7eb5f5000N.exe
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Size
502KB
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MD5
7f6ef73a37700d318d19912b27d0c760
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SHA1
f8a3cb6f1359076955fa9a0729d09b8eb7fc60fd
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SHA256
5c383cff50ac7c9f8ec2ac05464302885def4d389f6592340c23ade7eb5f5000
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SHA512
8516266e89bbadf08841e9b17c673c5cbfdf76e754922f0db704261da08dae231f2902bff1f86c64ddb618290f8f00a731d0dce2de4b7522e78d584929848e51
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SSDEEP
6144:cTEgdc0YzXAGbgiIN2RSBwbPdTEDIKBDkQfocE9Ob8F9PQ5BZcTR3+:cTEgdfYjbgnhDktpWTZcd+
Malware Config
Extracted
quasar
1.4.0
office
192.168.147.1:4782
fefeb1a4-7034-4293-a517-f90e7365e8e2
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encryption_key
4111EB4E3452F3046C6F5DFE90F84F08D3E1BB9C
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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
036234237
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 5c383cff50ac7c9f8ec2ac05464302885def4d389f6592340c23ade7eb5f5000N.exe
Files
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5c383cff50ac7c9f8ec2ac05464302885def4d389f6592340c23ade7eb5f5000N.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: 498KB - Virtual size: 497KB
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