gcleaner | 0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97

General

Target
0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe
Size 291KB
Sample240525-tm3bdaab31
SHA256 0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97
MD5 626ea419b77ac93450f54c5214bca2d9
SHA1 b2b29599042ef12d15fff5b9f64c2a3511bdee8d
SHA512 dfc0ac10237b11e11f3bbfe1f45730e3cb5e20d3a473d3aaf098ea19650cfdade305177eb8fd5a4005d1e375d40c028b058abf8900209ebbc320445aaf8963c8
SSDEEP 6144:jdZ7DxHFJcxg2uBN/ctTIoAneoFKgmuzTYnT:ZxxXcxTuD/cye0KgpU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
5.42.64.56
185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 11 IoCs

pid	pid_target	Process	procid_target
4016	4768	WerFault.exe	77
1704	4768	WerFault.exe	77
2560	4768	WerFault.exe	77
4636	4768	WerFault.exe	77
1920	4768	WerFault.exe	77
2356	4768	WerFault.exe	77
4548	4768	WerFault.exe	77
2056	4768	WerFault.exe	77
4764	4768	WerFault.exe	77
1480	4768	WerFault.exe	77
644	4768	WerFault.exe	77

Kills process with taskkill 1 IoCs

evasion

pid	Process
4816	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 2292	4768	0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe	99
PID 4768 wrote to memory of 2292	4768	0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe	99
PID 4768 wrote to memory of 2292	4768	0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe	99
PID 2292 wrote to memory of 4816	2292	cmd.exe	103
PID 2292 wrote to memory of 4816	2292	cmd.exe	103
PID 2292 wrote to memory of 4816	2292	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe
"C:\Users\Admin\AppData\Local\Temp\0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 476
  2⤵
  - Program crash
  PID:4016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 536
  2⤵
  - Program crash
  PID:1704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 780
  2⤵
  - Program crash
  PID:2560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 800
  2⤵
  - Program crash
  PID:4636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 828
  2⤵
  - Program crash
  PID:1920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 816
  2⤵
  - Program crash
  PID:2356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 968
  2⤵
  - Program crash
  PID:4548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1068
  2⤵
  - Program crash
  PID:2056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1068
  2⤵
  - Program crash
  PID:4764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1456
  2⤵
  - Program crash
  PID:1480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "0c0466079a6fe0f7f5e07b68da7e47269eab4f48f406241b660c8ea26ac92c97.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1560
  2⤵
  - Program crash
  PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4768 -ip 4768
1⤵
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4768 -ip 4768
1⤵
PID:972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4768 -ip 4768
1⤵
PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4768 -ip 4768
1⤵
PID:3112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4768 -ip 4768
1⤵
PID:3888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4768 -ip 4768
1⤵
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4768 -ip 4768
1⤵
PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 4768 -ip 4768
1⤵
PID:772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 4768 -ip 4768
1⤵
PID:916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 4768 -ip 4768
1⤵
PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 4768 -ip 4768
1⤵
PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4768-1-0x0000000002FD0000-0x00000000030D0000-memory.dmp

Download

memory/4768-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Download

memory/4768-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/4768-7-0x00000000049B0000-0x00000000049EC000-memory.dmp

Download

memory/4768-8-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/4768-6-0x0000000000400000-0x0000000002CA7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads