Behavioral task
behavioral1
Sample
cfb7119e9b1eea0c3f511fb51952399c3f10edb91e12030e49a30172b0510e7e.exe
Resource
win7-20240704-en
General
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Target
cfb7119e9b1eea0c3f511fb51952399c3f10edb91e12030e49a30172b0510e7e.exe
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Size
229KB
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MD5
ea031754ac9fe28dbc0c5915cb638e44
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SHA1
14b2c7b94aefdfc911e26fc5deb6eb8b6d7c0aed
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SHA256
cfb7119e9b1eea0c3f511fb51952399c3f10edb91e12030e49a30172b0510e7e
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SHA512
39a0790b3bae0862b1ba87bd6d1165694ba09cfa5104935e00ebaa13924699b2efba92ee6e744d3d820a9c05f80fa41fa1649498dce8f430835e8c6e813c25bb
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SSDEEP
6144:9loZM9rIkd8g+EtXHkv/iD4RugVzZqStvY5rWWDFZb8e1m7i:foZOL+EP8RugVzZqStvY5rWWD3V
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1276045605986107432/__jDxBNn4eIwDgfsF9Nvf_usMcbmRdQMO6KCi-9i1IoMGuWJto51uvjMtD8ys47YkqVM
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 cfb7119e9b1eea0c3f511fb51952399c3f10edb91e12030e49a30172b0510e7e.exe
Files
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cfb7119e9b1eea0c3f511fb51952399c3f10edb91e12030e49a30172b0510e7e.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