Behavioral task
behavioral1
Sample
injector.exe
Resource
win7-20240221-en
General
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Target
injector.exe
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Size
231KB
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MD5
0a40e097ff34f2786e6a1b1c2695db2d
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SHA1
7701f374e627f5624ee7b792c777d2b59b41ac20
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SHA256
a9e16fdb1ad53a73784a03803410b238e2de590eb1f7a1d6e4dfa0354ef99ca0
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SHA512
3ed97fbbd49460b582c51059b7e96535a951820179e89492f16668d176c8bb33ebaf8f4e056e5e909fcda74167dfa71cd8f83db840b10fb084019ae675982c47
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SSDEEP
6144:xloZMArIkd8g+EtXHkv/iD44gTVBPUonRWvRsY94Fb8e1mFrQi:DoZHL+EP84gTVBPUonRWvRsY9sOJ
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1212013600261279754/pS2kUk8X8HLTwlZ_TrdPXO-susrMQC81SOpxO7zVm1bHHQsqYw40zPb6UlXkaCeSSy_l
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 injector.exe
Files
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injector.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: 228KB - Virtual size: 228KB
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