General
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Target
test.exe
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Size
231KB
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MD5
82a3b8db52f0c9fa3a8cea6bf73c7ead
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SHA1
a386e95563f337c95bb612fd1bcae63da5079aad
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SHA256
b8976bb4f059c9886d2dc60a5dfb3be07cf88326b2638cfab82c7187f00df39e
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SHA512
21330c77c7cdd0e9f73d7d383e447804a9e60904a672e3dbb839f160d4f765a85d1f0baf7b162f34c75fe509516391565b8af2d5d0212ffb7cb16cb026aef450
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SSDEEP
6144:KloZM+7EBw/S6NtFnEPfCJxTzTfpaGJCJoGrruODO8emmm0B:0oZmYS6NZLTzTfpaGJCJoGrruOts
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1296513902951137350/w2AStBCTAzwGEtx8CUD9l3aIV1UGetuFqrgnf-01_7GXE1l3PPsJ5jo6UhsUOq3iRKee
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.exe
Files
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test.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: 229KB - 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