General
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Target
test v1.exe
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Size
229KB
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MD5
9491d13ef37b614a019240bb60762411
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SHA1
fe75d6c6ee160e37ae09114267352b685cbf5e79
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SHA256
610c600188996a44227d64e1029ac0869dddc7fb24f2166fb17e9880351b7edc
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SHA512
e1e2daf96439a1381d884a3ab7a5701de28592c0d846cce301f0f01eb8e30543057306ab0753208301dddb7f4a6577f7128ed516cfe721b653bda3652774f52f
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SSDEEP
6144:tloZM3fsXtioRkts/cnnK6cMlhHpC8il92mDe8NhoMOb8e1mwi:voZ1tlRk83MlhHpC8il92mDe8Nho7C
Malware Config
Extracted
umbral
https://discordapp.com/api/webhooks/1187735787513581688/FGcg02kQg_p8y3Bmm_qVU5lMDJkSqg_40nV8O-8MEZhTYOrslzudwZiYfVj7RtmgOOFG
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 test v1.exe
Files
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test v1.exe.exe windows:4 windows x86 arch:x86
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