General
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Target
Vigo_Perm_Unban.exe
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Size
231KB
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MD5
cfa56d70ed0ea4d1ebfd6952e840787f
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SHA1
7414f2b22dda079c566df2fea6d067dd3ef77f75
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SHA256
a1c965d8b6a12590647fd41d124e260b7ffe6394f2b3a68a972847132f17f0de
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SHA512
c78296ac937a2461773cdfd07b200eb004e7d6135fdd169df878ea4bd1f6ccbd90d980760efb529c606d0df6d4838d06d7b63ad36a5c662540f2c6d35d09991a
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SSDEEP
6144:RloZM+rIkd8g+EtXHkv/iD4SOIQClk8e1mpSi:joZtL+EP8UscH
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1169389530785271828/whjZpzO-dqrs0G5UXeFDG48g8Z-iL6SRQ2SCymVDDls2LCPRTpceEPjUNJFtgmPfAKCU
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 Vigo_Perm_Unban.exe
Files
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Vigo_Perm_Unban.exe.exe windows:4 windows 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: 228KB - Virtual size: 228KB
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