Behavioral task
behavioral1
Sample
Patcher.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Patcher.exe
Resource
win10v2004-20240802-en
General
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Target
Patcher.bin
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Size
292KB
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MD5
40e407453b653751e0f3b6237500c362
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SHA1
70c4819f3df236d816f01e884b88c683c87de8a7
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SHA256
42441a6e6eefa60a69c49cc280d1faafa48e0a3bc8e6787c3248a0c610c48c64
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SHA512
8298c7ef17583af41230b9a8a2d8cb69033f97a6a5ea19804f40e7d95c22af12feaef3b3a8f609320f72a85d323127aea6bdb8d493303ffd9c31bf14998737bb
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SSDEEP
6144:zloZMArIkd8g+EtXHkv/iD4Na1Q2AmB5K7/Cwhl0fjb8e1moirBcG95S:xoZHL+EP8Na1Q2AmB5K7/Cwhl0/arxK
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1281893760577568769/TeDYCewV4yykoreFUt-0f8MZ_-AtXL0RMIoTai6ZqBGOZso9yh5UUSvyS8y4M_zyk6aB
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 Patcher.bin
Files
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Patcher.bin.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: 64KB - Virtual size: 64KB
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