General
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Target
Stealer.exe
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Size
229KB
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MD5
5e9fbeae3fc8b7f8d211e3dfef5a9529
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SHA1
004f89d75ed6d4e298a51c91107164a4715055f5
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SHA256
69ec0a7651b38096910fece1b2a8cb6f9be056c94d183b4f92564330b44ffb0b
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SHA512
200b73155818389d36af61e08bc365997daa6662010f34f67cbbc078d0cc9f0adacc791599b24c7822be98b69882130764a65c65919fa070d8a4a382a5cca58c
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SSDEEP
6144:tloZM+rIkd8g+EtXHkv/iD4XoojpaC9aop7mGzBfFtLBj8e1mn3i:voZtL+EP8XoojpaC9aop7mGzJPLRiS
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1276256339731021864/jJp79p0HMuKjHuBTmwZWgGIySxjTukGa2--S4PeV_0LgeWLFchmvJuS0_FPJiSSgzLpN
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 Stealer.exe
Files
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Stealer.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