Behavioral task
behavioral1
Sample
MurderMystery2.exe
Resource
win7-20240220-en
General
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Target
MurderMystery2.exe
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Size
229KB
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MD5
1b67613acd248f0e4c796ad90010d77d
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SHA1
b2bff460a7c8a8a2c4d78d94dc2f7c72757c2369
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SHA256
6e60848ac42fa7cd71721ce243fd582fb931fd66924eb9537bc01b30c8f8c536
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SHA512
2c2c1ce74703e4613bf1d0257fe517a892238b961d7212888922d683d3338689c6620b6a9c12781d6c7654dbc79b642a83b7119cb0640575c5cb1fe0beb66fee
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SSDEEP
6144:lloZM+rIkd8g+EtXHkv/iD4VPV7xfEY3+mfh8ItM5Ub8e1mJi:noZtL+EP8VPV7xfEY3+mfh8ItFn
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1252372295314309180/gyM_U4RIoBT2JADOG_tDI4xKpWd6eEcrlguwztyB_yIv0e-LAKq9UnjdHItZc6iE_36w
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MurderMystery2.exe
Files
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MurderMystery2.exe.exe windows:4 windows x86 arch:x86
Password: 0684
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 227KB - Virtual size: 226KB
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