1fb8a2e53470ab81629bb7abeda6211ad814bbc3038f8abf001e8b3f21fc14ec | Triage

Analysis

max time kernel
118s
max time network
145s
platform
windows10_x64
resource
win10-en-20211014
submitted
01-11-2021 23:10

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General

Target

1fb8a2e53470ab81629bb7abeda6211ad814bbc3038f8abf001e8b3f21fc14ec.dll
Size

2.5MB
MD5

f87f5ddd8086130c876d84396ae61d16
SHA1

c2a0e84fa60dfc54c02b162462b3585a3b12a93d
SHA256

1fb8a2e53470ab81629bb7abeda6211ad814bbc3038f8abf001e8b3f21fc14ec
SHA512

80f71715f317750e1d4f0b414c40b97cba24bf560c2ba55a5ad4d774b3ddebfe82a2ec4b56baede41abacffcc315cb46995a5f8199bd9acd35654d27b679e519

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4032 3384 WerFault.exe regsvr32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe
4032	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 4032 WerFault.exe
Token: SeBackupPrivilege 4032 WerFault.exe
Token: SeDebugPrivilege 4032 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 3168 wrote to memory of 3384	3168	regsvr32.exe	regsvr32.exe
PID 3168 wrote to memory of 3384	3168	regsvr32.exe	regsvr32.exe
PID 3168 wrote to memory of 3384	3168	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1fb8a2e53470ab81629bb7abeda6211ad814bbc3038f8abf001e8b3f21fc14ec.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3168

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1fb8a2e53470ab81629bb7abeda6211ad814bbc3038f8abf001e8b3f21fc14ec.dll
2⤵
PID:3384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 612
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032

Network

MITRE ATT&CK Matrix

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Downloads

memory/3384-116-0x0000000000000000-mapping.dmp

Download
memory/3384-117-0x00000000047C0000-0x0000000004A28000-memory.dmp

Filesize
2.4MB

Download
memory/3384-118-0x0000000002D30000-0x0000000002E7A000-memory.dmp

Filesize
1.3MB

Download