Behavioral task
behavioral1
Sample
c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe
Resource
win7-20240903-en
General
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Target
c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe
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Size
230KB
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MD5
b49420e3edc45ce1e356a5b8fa2a9c90
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SHA1
8e8db5c97a1a4a80ee366269e841df2b2ae523c7
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SHA256
c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371
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SHA512
c0ab221a259f4a112a1459ffd231f078d097e63ebd5c05f77c5746b03f1020969e375b78c438c675ddb01062dd87235253e13187ff0f6576e4589ca3157029fe
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SSDEEP
6144:dloZM+rIkd8g+EtXHkv/iD4LJeTywvrYChkijD6h1b8e1mFi:/oZtL+EP8LJeTywvrYChkijD6b3
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1346912507297665157/uDKD0ttMfrz6-Ef2TeBQjSPQQkrfVRgCLkOzkNx0dlhf40R4BBQM8ihzknZZ8aJupwcg
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 c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.exe
Files
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c43547f748a52c7acfff1277e74786ec7f077c43c38e790e8a35ef746ff2c371N.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: 227KB
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