f99d1236a1f56745c2fcee8e97b464595c2d8af5caeec99a95532de28f74d055 | Triage

Analysis

max time kernel
120s
max time network
125s
platform
windows10_x64
resource
win10-en-20211208
submitted
27-12-2021 09:13

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General

Target

tmp/f99d1236a1f56745c2fcee8e97b464595c2d8af5caeec99a95532de28f74d055.exe.dll
Size

132KB
MD5

1eabb6d464f7245f5a357600e5fbcdb2
SHA1

751c3e9c19fc62ead178f2554ef2c3965ff2b33f
SHA256

f99d1236a1f56745c2fcee8e97b464595c2d8af5caeec99a95532de28f74d055
SHA512

026cab0412480de005d4d0dd9177510a145b1658f2f3158bf91ab46d2cf303ebec553d4c4240b6e184891fc34c4987ea89f3856e68756e857a7fe8ec9fa1790c

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

744 3684 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 744 WerFault.exe
Token: SeBackupPrivilege 744 WerFault.exe
Token: SeDebugPrivilege 744 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3828 wrote to memory of 3684	3828	rundll32.exe	rundll32.exe
PID 3828 wrote to memory of 3684	3828	rundll32.exe	rundll32.exe
PID 3828 wrote to memory of 3684	3828	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\f99d1236a1f56745c2fcee8e97b464595c2d8af5caeec99a95532de28f74d055.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3828

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\f99d1236a1f56745c2fcee8e97b464595c2d8af5caeec99a95532de28f74d055.exe.dll,#1
2⤵
PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 624
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:744

Network

MITRE ATT&CK Matrix

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Downloads

memory/3684-115-0x0000000000000000-mapping.dmp

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