Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10v2004-20241007-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
749286088524b5c49a9f6fd5dd15de49
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SHA1
bc255bc2f5a7f50e8fec2e5eca55c82de0bb15a2
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SHA256
e1dd16d3d0550466cd1e5efa60ea8f0d3b204f52ddccb4b58d46a7dba9dc5587
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SHA512
b0ac4798d04e443f6e795e718bf301a885bc96ab2bd12f4d2b14d47e75aa897b5f53c22dab14b95a12a4f2e177d86a78a0af08ab916906a9a9ce7eb0b860dd8e
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SSDEEP
49152:WvWI22SsaNYfdPBldt698dBcjHSlRJ6ibR3LoGd09THHB72eh2NT:Wv722SsaNYfdPBldt6+dBcjHSlRJ6c
Malware Config
Extracted
quasar
1.4.1
KDOTCrypt
fedx.ddns.net:7000
f70e50c5-1467-4cc3-8be1-b4ca15c11c35
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encryption_key
92470F4731518ABFA77DC89068544FB7E7B7C459
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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 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