Behavioral task
behavioral1
Sample
RBF.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
RBF.exe
Resource
win10v2004-20240802-en
General
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Target
RBF.exe
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Size
41KB
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MD5
09d12c328c88bfdfef9dcc0927dca671
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SHA1
4f61a36bc05dbd9229b56db5ead4ea3d37e4308a
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SHA256
64e772d1da472d9da1dde4d9b070c1d9acf98d9819ec04058a0161f020022e49
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SHA512
4774119f1eb6f3f712fc29f7c7cceb31a67c62c01a6b7f09ccf17a85a4d78b3fed4f3a9532c353490f9058aae5db58d305a92a65a8e8039e7c123f48e73d1d51
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SSDEEP
768:escGoAxWdPN+wauZLePWTjZKZKfgm3Ehpe:tcVdPN9ePWTVF7Ebe
Malware Config
Extracted
mercurialgrabber
https://discord.com/api/webhooks/975244014364270683/FZnH_sfT1E7Axl_7pfCffp86xK6BWVM_UXXb74CN2p4kpHxH_6kuQsuzlglxNPVfnIm6
Signatures
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Mercurialgrabber family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource RBF.exe
Files
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RBF.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: 39KB - Virtual size: 38KB
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