Behavioral task
behavioral1
Sample
5b41d220257bb8b37564d184f6642844.exe
Resource
win7-20240704-en
General
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Target
5b41d220257bb8b37564d184f6642844.exe
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Size
3.1MB
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MD5
5b41d220257bb8b37564d184f6642844
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SHA1
a39a62c828b80c8211324e5830e151c63e5272d3
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SHA256
beb1b5cd2a33e86e48599b183b882fc3e80198a8062e5b9d9251e605d3f0bfd5
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SHA512
b5971b3439983db5bcaf7db896b68773553bff41e1a20bebc3e1fa6bf7f6c37e263a706ef0b48c95a68da18b85f4b4cdf59d866cc0fe3de581497653ddff4243
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SSDEEP
49152:avjI22SsaNYfdPBldt698dBcjHWvsk9hEvJCLoGdnWzTHHB72eh2NT:avc22SsaNYfdPBldt6+dBcjHahNXW
Malware Config
Extracted
quasar
1.4.1
Fab
91.92.241.122:6969
fcf2be0a-a426-40c6-b153-1a354814f80d
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encryption_key
26A6C07FE7354BCD244B108D2E3538DCF04477F5
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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
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 5b41d220257bb8b37564d184f6642844.exe
Files
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5b41d220257bb8b37564d184f6642844.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