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Behavioral task
behavioral1
Sample
zo8te6drqw48.exe
Resource
win7-20240221-en
General
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Target
zo8te6drqw48.exe
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Size
229KB
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MD5
9fb79b64e211bf78f02edefb2fa6f136
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SHA1
086ebd2aaf590d079d5d20d4221c327182f722bd
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SHA256
575873f69fb54dccf0efa875edc3955b1c0db5fc68b1df3d5bba19f2fa17c833
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SHA512
a5effa1f5fede310a397c149b754a227f833b3d955eabc860acbc91c2ab7b923253d53125cfc32b255d0a5a97d9271d7523bcd8188390a7b08c509d90ba35c33
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD4Yh5RYe5xygXKYZd8Tlxb8e1mqci:foZtL+EP8Yh5RYe5xygXKYZd8fN1
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1219755164962132100/B9CttyVDbpEAyjfE8KMq_LsfCjfRfhCmrVwKLDl-ci6VdNiasbHPNVtIX5ve3IwhoPSA
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 zo8te6drqw48.exe
Files
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zo8te6drqw48.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