Behavioral task
behavioral1
Sample
osintbeta.exe
Resource
win7-20240729-en
General
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Target
osintbeta.exe
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Size
631KB
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MD5
563db1fc707e29d140d343e75ee9d389
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SHA1
ece61378cffc5f950dec95249eeebe9d01f17496
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SHA256
bf59201502504351baacaa124496df5d010b90c828c10a3413c9d40409f30ec9
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SHA512
e17836e475dd607ea8502012845b7ee13ef12b01ae11745706735a23ef0b9133c8e645d905e2005b2842fea18bd8c39c0b002cda66dfd89be8a658c8aa7dab45
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SSDEEP
12288:hoZtL+EP8smVkvFuW5a8VHCCHGmNiMdRC:fI8nVkvFuW5a8VHCCHGIiMdA
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1312360330701045821/Xa2tsxokqziFd_WOVNguuOe12yjZtbjooKiwQx5VnlfwNsU9VmoUDiiMr1hV8WOJ1O7G
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 osintbeta.exe
Files
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osintbeta.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: 403KB - Virtual size: 402KB
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