f79d78fc34936f3fade6e3fdc0c60a632cf3c4399bcdb72fca91d7a96edc4971

Analysis

max time kernel
25s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
09/08/2021, 16:21

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General

Target
6b877f1b77945405a5fb6e0280cf8bcd6164de0e.exe
Size 251KB
Sample210809-31g71xpxa6
SHA256 f79d78fc34936f3fade6e3fdc0c60a632cf3c4399bcdb72fca91d7a96edc4971
MD5 aebf139b7872db35a814631c6edd15ad
SHA1 6b877f1b77945405a5fb6e0280cf8bcd6164de0e
SHA512 f8cacb425a440341b5e74a2f0799579597b1f609d2550183178625f8de3b8edacb3e665f7987f1dba6341634874065aa8a2a59f0e5c8d0b35f80a06ac8284ef5
MD5 SHA1 SHA512

Score

10^/10

suricata

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3828 created 4020	3828	WerFault.exe	67

suricata: ET MALWARE GCleaner Downloader Activity M1
suricata: ET MALWARE GCleaner Downloader Activity M1
suricata
Downloads MZ/PE file
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 10 IoCs

pid	pid_target	Process	procid_target
2692	4020	WerFault.exe	67
3920	4020	WerFault.exe	67
3200	4020	WerFault.exe	67
196	4020	WerFault.exe	67
3808	4020	WerFault.exe	67
2652	4020	WerFault.exe	67
1312	4020	WerFault.exe	67
3872	4020	WerFault.exe	67
1272	4020	WerFault.exe	67
3828	4020	WerFault.exe	67

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
2692	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3920	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
3200	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
3808	WerFault.exe
3808	WerFault.exe
3808	WerFault.exe
3808	WerFault.exe
3808	WerFault.exe
3808	WerFault.exe
3808	WerFault.exe
3808	WerFault.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeRestorePrivilege	2692	WerFault.exe
Token: SeBackupPrivilege	2692	WerFault.exe
Token: SeDebugPrivilege	2692	WerFault.exe
Token: SeDebugPrivilege	3920	WerFault.exe
Token: SeDebugPrivilege	3200	WerFault.exe
Token: SeDebugPrivilege	196	WerFault.exe
Token: SeDebugPrivilege	3808	WerFault.exe
Token: SeDebugPrivilege	2652	WerFault.exe
Token: SeDebugPrivilege	1312	WerFault.exe
Token: SeDebugPrivilege	3872	WerFault.exe
Token: SeDebugPrivilege	1272	WerFault.exe
Token: SeDebugPrivilege	3828	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6b877f1b77945405a5fb6e0280cf8bcd6164de0e.exe
"C:\Users\Admin\AppData\Local\Temp\6b877f1b77945405a5fb6e0280cf8bcd6164de0e.exe"
1⤵
PID:4020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 656
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 768
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 816
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 756
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 828
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3808
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 1252
  2⤵
  - Program crash
  - Suspicious use of AdjustPrivilegeToken
  PID:2652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 1292
  2⤵
  - Program crash
  - Suspicious use of AdjustPrivilegeToken
  PID:1312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 1448
  2⤵
  - Program crash
  - Suspicious use of AdjustPrivilegeToken
  PID:3872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 1484
  2⤵
  - Program crash
  - Suspicious use of AdjustPrivilegeToken
  PID:1272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 1464
  2⤵
  - Suspicious use of NtCreateProcessExOtherParentProcess
  - Program crash
  - Suspicious use of AdjustPrivilegeToken
  PID:3828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4020-114-0x0000000002C80000-0x0000000002D2E000-memory.dmp

Download

memory/4020-115-0x0000000000400000-0x0000000002C75000-memory.dmp

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