Behavioral task
behavioral1
Sample
4cf8aecd3c9028fa90f3d9090c77825e74d764f883eb3d240abf50e59ac28697.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
4cf8aecd3c9028fa90f3d9090c77825e74d764f883eb3d240abf50e59ac28697.exe
Resource
win10v2004-20240226-en
General
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Target
4cf8aecd3c9028fa90f3d9090c77825e74d764f883eb3d240abf50e59ac28697.exe
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Size
47KB
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MD5
6ef584544428a4abebc255be57e65b82
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SHA1
d5153b3ee6e8ba605472ae2dd8905f2462f55d81
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SHA256
4cf8aecd3c9028fa90f3d9090c77825e74d764f883eb3d240abf50e59ac28697
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SHA512
6b842ba424a88a65c7e82b07e2b00ba6c3f994e54edf4a3565b5f442f53a8e98a909e8a859871576d5f8a855f9d53fd5f7b2154567960379d5b5756a4b2a50d8
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SSDEEP
768:dOEuILWCKi+DiBtelDSN+iV08YbygeTBsUwv8vEgK/J9lZVc6KN:dOtmBtKDs4zb1IsUwknkJ3ZVclN
Malware Config
Extracted
asyncrat
1.0.7
Dark-20250 - M
bg1.heztak.pro:2202
DcRatMutex_qwqdanchun
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delay
1
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install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule sample family_asyncrat -
Asyncrat family
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Detects executables attemping to enumerate video devices using WMI 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice -
Detects executables containing the string DcRatBy 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_DcRatBy -
Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc. 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_B64_Artifacts -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4cf8aecd3c9028fa90f3d9090c77825e74d764f883eb3d240abf50e59ac28697.exe
Files
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4cf8aecd3c9028fa90f3d9090c77825e74d764f883eb3d240abf50e59ac28697.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
Imports
mscoree
_CorExeMain
Sections
.text Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 3KB
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