Behavioral task
behavioral1
Sample
Server.exe
Resource
win7-20231023-en
General
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Target
Server.exe
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Size
175KB
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MD5
482666005ff847db4921499185001cd7
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SHA1
b16c3172425ca9e14bf7c43da166ddfd2a49460f
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SHA256
f9549027732bd98b5abecbeeeb7dc0a25ea0a548a2a1cab3f5f1304c23aacfbd
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SHA512
09a5f81ad7aad43a8855f7dbfe6968136b59e84f2f8015135a90da0b33898cedc38b770e2f521a5d2cc2c3bc3efc3e4b6166a89c5d56d5b05b9ae76aeaddccb4
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SSDEEP
3072:Ee8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gTNwAqE+Wpor:tXtb5KcXr7XmfgqtjhAxZ0b2y
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6415155283:AAFcmRR_4iukeLTyxFBbtYLIr0YTZBj4CW0/sendMessage?chat_id=5806497114
AsyncMutex_6SI8OkPnk
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delay
3
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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 asyncrat -
Asyncrat family
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StormKitty payload 1 IoCs
resource yara_rule sample family_stormkitty -
Stormkitty family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Server.exe
Files
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Server.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 172KB - Virtual size: 172KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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