8b53679870df2d7562d34d026ff5fe3596071f267e951470cfe2a53778a730c6 | Triage

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 17:02

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General

Target

compsBr.jpg.dll
Size

401KB
MD5

91a92949ee2fef988e550dad8d82a9fe
SHA1

f96af4fec26ae74f0c87720511cd64a67537f5ea
SHA256

8b53679870df2d7562d34d026ff5fe3596071f267e951470cfe2a53778a730c6
SHA512

2641decbae7c73aa8f77c48a9e362f9862fdd0e9ae3799dc98f12a72d4e1cd0734e8ac0ebb3af08e90a7df5477b1b598752fc972c9b4344d878119a011e5a390

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1280 1068 WerFault.exe regsvr32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe
1280	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1280 WerFault.exe
Token: SeBackupPrivilege 1280 WerFault.exe
Token: SeDebugPrivilege 1280 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 3904 wrote to memory of 1068	3904	regsvr32.exe	regsvr32.exe
PID 3904 wrote to memory of 1068	3904	regsvr32.exe	regsvr32.exe
PID 3904 wrote to memory of 1068	3904	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\compsBr.jpg.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\compsBr.jpg.dll
2⤵
PID:1068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 624
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1280

MITRE ATT&CK Matrix

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Downloads

memory/1068-114-0x0000000000000000-mapping.dmp

Download
memory/1068-115-0x00000000032F0000-0x000000000343A000-memory.dmp

Filesize
1.3MB

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