Static task
static1
Behavioral task
behavioral1
Sample
rwlbmarivs.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
rwlbmarivs.exe
Resource
win10-en-20211208
General
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Target
3ce8cba4a3271721f7e2f5cab90aff56a4a6d2364d5ecbf789aa951fae7c4572
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Size
57KB
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MD5
51af2cdd17a8af028db8a0a2909018f3
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SHA1
2ab41eeea92f6dfac5fb8508d83c173ef903117e
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SHA256
3ce8cba4a3271721f7e2f5cab90aff56a4a6d2364d5ecbf789aa951fae7c4572
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SHA512
adb8ef42d12d3d2d7b85102b4344757c9479c2f761dcbb7698306fe0b8b1145629716ab14fcdfd8fcc15006a1f3420a101bc041df2a16e18b42217b8a50b26d9
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SSDEEP
768:HYb4Yj7unS4gcawlPIWueWkn5UoWuVyXb:4b4MWSoYvu5JW/L
Malware Config
Signatures
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CrimsonRAT Main Payload 1 IoCs
resource yara_rule static1/unpack001/rwlbmarivs.exe family_crimsonrat -
Crimsonrat family
Files
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3ce8cba4a3271721f7e2f5cab90aff56a4a6d2364d5ecbf789aa951fae7c4572.zip
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rwlbmarivs.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Code Sign
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: 9.6MB - Virtual size: 9.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 11KB - Virtual size: 10KB
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