Behavioral task
behavioral1
Sample
Server.exe
Resource
win7-20230831-en
General
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Target
Server.exe
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Size
175KB
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MD5
94710c6a1c987c417b4ce29d45ea6742
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SHA1
15a395c99a7cdb5ec0dc0757a2bc8a0ad0bf8431
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SHA256
4a4c560ace8b73f91daf65ced5688cd4330f830ea73c585f56d3412c151f6243
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SHA512
629503f784f2708a846830c25914b4aa5b4ef5eedb2739ae34a97a866db1fa77b45d352634e9ac119d4886f510cd8da91553710d7947e8f9fafd23f06f7d3aa4
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SSDEEP
3072:Ne8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gTKwAqE+Wpor:AXtb5KcXr7XmfgqtjhAxZ0b2D
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6658275673:AAGQYwKTN0lv0k1wEhS8TRHmtxc_9yu6e1g/sendMessage?chat_id=5233760370
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
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