General
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Target
BlackSkull.exe
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Size
51KB
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MD5
4a5798cceb99cd4835aed8314d93244d
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SHA1
b6d4d542d091c21484e98f6d6d797b425d072a22
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SHA256
5b02c7552b9e97f907dd312a7ce5ddb0e811a9c5c15cf4d6d8a2368a36758465
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SHA512
f392ee5e736ae785a7baf67e005d685cb9e587ef4d8eed75af901e06ca4394e3a7d4adc6f6510392f2964fe75daf30b7f2ba44a272554b8e72a70983dd5e9e4a
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SSDEEP
768:fpmN6RpwdiEeE0ivOj45N077Mcejchhs1SDdxYu+h7yokbz:fpFpwdcVivOM07MVIhm1SDdxYEokbz
Malware Config
Extracted
limerat
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aes_key
123499
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antivm
false
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c2_url
https://pastebin.com/raw/ZJ0Dhft2
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delay
3
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download_payload
false
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install
true
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install_name
WindowsServices.exe
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main_folder
Temp
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pin_spread
false
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sub_folder
\
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usb_spread
false
Signatures
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Limerat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BlackSkull.exe
Files
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BlackSkull.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
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 22KB - Virtual size: 22KB
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