Behavioral task
behavioral1
Sample
Server.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Server.exe
Resource
win10v2004-20230220-en
General
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Target
Server.exe.bin
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Size
175KB
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MD5
fbb37464b8966f91b0f1c859bc0c4b8e
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SHA1
95615fa2217a39b07adb0fd97c3ad0c8a9f47e95
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SHA256
ffb0ff9c2137af03110ea523e40c904b590f324969f4002e04a08105906de85c
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SHA512
4da8bc3fd7afea23516a5a3ddb95f73a6e2b54ca2352beca3650a3f8bf55067786b74f2c99abac380692edece7113aba447e42c208ef1097f2554f00d9d3a183
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SSDEEP
3072:je8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gT1IwAqE+Wpor:eXtb5KcXr7XmfgqtjhAxZ0b2f
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
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.bin
Files
-
Server.exe.bin.exe windows 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