Behavioral task
behavioral1
Sample
5af4a6acd79b023a9149a31fb1769b7d058b74604bfdd36337c75cca3a47d979.exe
Resource
win7-20241023-en
General
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Target
5af4a6acd79b023a9149a31fb1769b7d058b74604bfdd36337c75cca3a47d979
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Size
229KB
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MD5
b08dd189fe369fc815b6a5e33234d43e
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SHA1
45371d00cee048328c2c29ad4155cdf964c124b4
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SHA256
5af4a6acd79b023a9149a31fb1769b7d058b74604bfdd36337c75cca3a47d979
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SHA512
174c941fa210f7b9dce9f30ddf3bfcbeca069966aefc2964aa54d3b4052a995a5e87ea119016e3de01a13b9d76a1714c4886965227b5818277d41daab3e8eb63
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SSDEEP
6144:FloZM+rIkd8g+EtXHkv/iD4DKWiiAfboqxUyzzqcJb8e1m0Yi:HoZtL+EP8DKWiiAfboqxUyzzqsd
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1336637633069187123/cni2pZnSirmp_aAVBBgAbBaiReZ7XTYDEaJEpPe9h8Hx8ctQbPJs02I6SYHVBAJvEAnb
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 5af4a6acd79b023a9149a31fb1769b7d058b74604bfdd36337c75cca3a47d979
Files
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5af4a6acd79b023a9149a31fb1769b7d058b74604bfdd36337c75cca3a47d979.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