Behavioral task
behavioral1
Sample
4c4ca989022737b17b65e04956d30ed7d9a9865519d591f8a897784e1545d316.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
4c4ca989022737b17b65e04956d30ed7d9a9865519d591f8a897784e1545d316.exe
Resource
win10v2004-20230703-en
General
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Target
743bbc56f0367a3f1658bb15ec191bd0.bin
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Size
23KB
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MD5
bb6e851411ed4064fedfbcd199936a0f
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SHA1
4c372a4e96268f00bbe2782b19151f65cec87361
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SHA256
40758dbd6bb1b736d77a021f943a29836025b6231296f5831befdd2b4220fc80
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SHA512
02866eebbe3e3fa42e44f5f25ff30cebc858aa64db75df9187540caf7173c4db5b1d03862a2e15fee515017555b22e2d5caafa9494daa18470f4d09138e41c34
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SSDEEP
384:05DoeM4uCnnq3crsskKIrXTqrCZeQjCBIatypERI7NW9e/faXStqnRcGf:0iernqoZgXTqACBI+yRNW9K0Oqnn
Malware Config
Extracted
asyncrat
1.0.7
13Julio-VbsP
20.200.63.2:3636
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 static1/unpack001/4c4ca989022737b17b65e04956d30ed7d9a9865519d591f8a897784e1545d316.exe asyncrat -
Asyncrat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/4c4ca989022737b17b65e04956d30ed7d9a9865519d591f8a897784e1545d316.exe
Files
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743bbc56f0367a3f1658bb15ec191bd0.bin.zip
Password: infected
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4c4ca989022737b17b65e04956d30ed7d9a9865519d591f8a897784e1545d316.exe.exe windows x86
Password: infected
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