6ff9d029693fdf8913c1aaae164a36896f5459050c85caa3da6cf82b9e4d9df8 | Triage

Resubmissions

13-09-2021 16:54

210913-veze7aebb9 10

13-09-2021 16:30

210913-tz3gxaeah8 10

Analysis

max time kernel
345s
max time network
1542s
platform
windows10_x64
resource
win10v20210408
submitted
13-09-2021 16:54

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General

Target

vacug12?time=VStv0kfzBMXCqz4JHwyu80T1Y&id=Upsdbw7Auwv44gzhC6NjnR9L3T5H.dll
Size

542KB
MD5

d4f34109b99b85bc400a804b1abb1ab4
SHA1

fe92e2dd70b3c948298112c5597bc8060dfecc4f
SHA256

6ff9d029693fdf8913c1aaae164a36896f5459050c85caa3da6cf82b9e4d9df8
SHA512

2c9aeafd3c7514a6879798a13b41ba5320a8f1bc946c6c82e5317e699f695c01727078a775110d647b93260545633d8e8b2e9495c232f645614a53385e087bdb

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1384 64 WerFault.exe regsvr32.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WerFault.exe

pid	process
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1384 WerFault.exe
Token: SeBackupPrivilege 1384 WerFault.exe
Token: SeDebugPrivilege 1384 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1096 wrote to memory of 64	1096	regsvr32.exe	regsvr32.exe
PID 1096 wrote to memory of 64	1096	regsvr32.exe	regsvr32.exe
PID 1096 wrote to memory of 64	1096	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\vacug12_time=VStv0kfzBMXCqz4JHwyu80T1Y&id=Upsdbw7Auwv44gzhC6NjnR9L3T5H.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\vacug12_time=VStv0kfzBMXCqz4JHwyu80T1Y&id=Upsdbw7Auwv44gzhC6NjnR9L3T5H.dll
2⤵
PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384

Network

MITRE ATT&CK Matrix

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Downloads

memory/64-114-0x0000000000000000-mapping.dmp

Download
memory/64-115-0x0000000010000000-0x0000000010004000-memory.dmp

Filesize
16KB

Download
memory/64-117-0x0000000003170000-0x00000000031A8000-memory.dmp

Filesize
224KB

Download
memory/64-120-0x0000000003400000-0x000000000354A000-memory.dmp

Filesize
1.3MB

Download