General
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Target
DominantExecutor (1).exe
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Size
231KB
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MD5
16171d12f35e11115cedc4284f86958b
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SHA1
e17c29c6b4b3f54f6d6cedf556f5b110b1965479
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SHA256
a78dcf241ef32561d3ae030149169f37085ba754e7f148a21e8f22951b028a73
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SHA512
975f5e6a099536f9f13720f85a41b519d730ef814409c6d45614bbaba6a5b06e0ee996d7a8dbf1c5b066b59bae2836ecf7a22bc303df7f0cb21f1c06e527735d
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SSDEEP
6144:8loZM+rIkd8g+EtXHkv/iD40kijGELnsvd42X3WYx8b8e1muSi:aoZtL+EP80kijGELnsvd42X3WYitH
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1299370629824512111/FuPScG6DLCG9POPbj8bk8oTq5VoKOVqfisCJ07VmDVQfyM30RsO4HoLfncfkOe23qFov
Signatures
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Detect Umbral payload 1 IoCs
Processes:
resource yara_rule sample family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource DominantExecutor (1).exe
Files
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DominantExecutor (1).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: 224KB - Virtual size: 224KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 6KB - Virtual size: 5KB
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