7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7 | Triage

Analysis

max time kernel
119s
max time network
124s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 06:19

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General

Target

Documents.tmp.dll
Size

1.3MB
MD5

ac1d4a51b8c1f7f98a1033e5bc2e1de7
SHA1

ddaed871b9f95a758b89c856a6d4ccf7751b8103
SHA256

7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7
SHA512

46559ffb39468f79be481bb0078daadb37ba2874e448eb9dafb7e24337ba44aca18cf80c87d942069bfed4bb9fe138f54259f9bd35ec91d000ac79a3df0eac13

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1856 2712 WerFault.exe regsvr32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1856 WerFault.exe
Token: SeBackupPrivilege 1856 WerFault.exe
Token: SeDebugPrivilege 1856 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1688 wrote to memory of 2712	1688	regsvr32.exe	regsvr32.exe
PID 1688 wrote to memory of 2712	1688	regsvr32.exe	regsvr32.exe
PID 1688 wrote to memory of 2712	1688	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Documents.tmp.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\Documents.tmp.dll
2⤵
PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 608
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2712-115-0x0000000000000000-mapping.dmp

Download
memory/2712-117-0x0000000000620000-0x0000000000665000-memory.dmp

Filesize
276KB

Download
memory/2712-116-0x0000000000C50000-0x0000000000EB8000-memory.dmp

Filesize
2.4MB

Download