Behavioral task
behavioral1
Sample
bTcG.exe
Resource
win7-20231129-en
General
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Target
bTcG.exe
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Size
28KB
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MD5
8e1bb22b17551346730179e6616eb42e
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SHA1
7d2482fd93f0824e4353522c68c0fd39af445fc0
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SHA256
9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe
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SHA512
ec3a09f32393ce91486342712e200d4d0e432f0df90a1e58dd8251281c5257372a31c50db1b5a3a0fb552fa179199d88359c07b63d6b896188dfe32cb5d18ee6
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SSDEEP
768:EpDU6F1w9pXlmjF845NonMfo3z3aNHm4j:Epb1w9pIphknMAuH5
Malware Config
Extracted
limerat
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aes_key
Kronic
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antivm
true
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c2_url
https://pastebin.com/raw/jxx7yjgK
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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
MSIbuilder.exe
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main_folder
AppData
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pin_spread
true
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sub_folder
\Service Windows\
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usb_spread
true
Signatures
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Limerat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource bTcG.exe
Files
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bTcG.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
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ