999a1735107902291b67387dcb34a0226f9e80c6d967ad6f9a7c2678338d1f5e | Triage

Analysis

max time kernel
40s
max time network
114s
platform
windows10_x64
resource
win10v20201028
submitted
14-01-2021 16:18

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General

Target

999a1735107902291b67387dcb34a0226f9e80c6d967ad6f9a7c2678338d1f5e.dll
Size

309KB
MD5

a7e42787ede6e4fb13063ea161a8ba2a
SHA1

41b919c41b1387a1e214e369517813a28d1163ff
SHA256

999a1735107902291b67387dcb34a0226f9e80c6d967ad6f9a7c2678338d1f5e
SHA512

0260b018279dd8699845b2e6188d010f7b77c8401e8fa26816e4f1dfcd551f1f2a5256b3773b50ccb282b795283cc12d40584ee74ac9d862731e5cc9eeae62fd

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3676 1032 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe
3676	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3676 WerFault.exe
Token: SeBackupPrivilege 3676 WerFault.exe
Token: SeDebugPrivilege 3676 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 648 wrote to memory of 1032	648	rundll32.exe	rundll32.exe
PID 648 wrote to memory of 1032	648	rundll32.exe	rundll32.exe
PID 648 wrote to memory of 1032	648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\999a1735107902291b67387dcb34a0226f9e80c6d967ad6f9a7c2678338d1f5e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\999a1735107902291b67387dcb34a0226f9e80c6d967ad6f9a7c2678338d1f5e.dll,#1
2⤵
PID:1032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 588
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3676

MITRE ATT&CK Matrix

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Downloads

memory/1032-2-0x0000000000000000-mapping.dmp

Download
memory/3676-3-0x0000000004400000-0x0000000004401000-memory.dmp

Filesize
4KB

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