General
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Target
v9ju88.exe
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Size
229KB
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MD5
9252505656ab18c34d4ecff6a7f86263
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SHA1
dfa01cbe5c99fbf67a5063f99c67669382e43356
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SHA256
78da8433390c0aaf2e5f748ff266bacad23fe9d05b1834eabceeb6ad69859589
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SHA512
5e270de9982c3137c16e32fa4c88f9a414893c623fbcdd5cb2f3ff9bbf82eac82bb8d01100d60ea8633da875b36df39d657a9090e393d4fdf717575821bce8a5
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SSDEEP
6144:lloZMcrIkd8g+EtXHkv/iD4l6qZEKtFu9r20VJgU8b8e1mbDi:noZrL+EP8l6qZEKtFu9r20VJgZd
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1289681227711905882/4ls8QquqVGowr_EXsWQHgHYoYI53Bn36p04PP2sNUo6M6rTng5alXP6ABgXbGM7xSIBW
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 v9ju88.exe
Files
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v9ju88.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