Behavioral task
behavioral1
Sample
WheatEngine/Wheat.exe
Resource
win7-20231025-en
General
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Target
WheatEngine.zip
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Size
127KB
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MD5
e6e09967547c68263304a145968261f2
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SHA1
9bdd4723986987d50165739f74b5fbb53ecc5ab6
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SHA256
0062b0beca2ac3cab8bdeb8db133c4d527cf2b5b1641e7313a911d77aca77787
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SHA512
e08c38b505712e48ccda5f1fa7a479418046d4f79213877f5617b518279ab18fa0378d0968fd3a223ed54a9d9fd1f28f7ab3471fd1dd11d61d772f9be0877926
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SSDEEP
3072:Eqc0KKUjEIATqpmZAhJFsPyNw4N30dzl61SWoJTkU:E5KUjEIV0Z9yNwa3gzM1SWoBkU
Malware Config
Extracted
umbral
https://canary.discord.com/api/webhooks/1172682479925211166/fNObiYsvVWaiyhDTsjUjsr6ocoSGjGvcdEU8FCCT5VkNtN8ANc1ue7Yhp_7qf8h4xaLR
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/WheatEngine/Wheat.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/WheatEngine/Wheat.exe
Files
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WheatEngine.zip.zip
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WheatEngine/README.txt
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WheatEngine/Wheat.exe.exe windows:4 windows 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: 266KB - Virtual size: 265KB
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