gcleaner | b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c

General

Target

b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
Size

249KB
MD5

48f76e2a8670044eef4c291f466b04d5
SHA1

002a850434201820e46606a4b7e84dae0c89e680
SHA256

b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c
SHA512

78d90b1ccb487ace0e56be84e7243d06ffa5f77a9b52b61f7e14d50114e93cbadf87e85e9087d27102ad1f31721d4f86be02785de9213be0ec2ce24b8b268715
SSDEEP

3072:7kqh9r/TOuW9dtETLiG2bA5n5+3mRXLC6ChRd8iVvt4wDFLv8C35g:7rPr/lgdCnw+5vRbCjhRyml6

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 9 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
2964	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
2308	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
2456	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
2976	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
1056	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
2328	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
4772	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
4920	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
4784	2704	WerFault.exe	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3216 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3216 taskkill.exe

pid	process
3216	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3216	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.execmd.exe

description	pid	process	target process
PID 2704 wrote to memory of 4612	2704	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe	cmd.exe
PID 2704 wrote to memory of 4612	2704	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe	cmd.exe
PID 2704 wrote to memory of 4612	2704	b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe	cmd.exe
PID 4612 wrote to memory of 3216	4612	cmd.exe	taskkill.exe
PID 4612 wrote to memory of 3216	4612	cmd.exe	taskkill.exe
PID 4612 wrote to memory of 3216	4612	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe
"C:\Users\Admin\AppData\Local\Temp\b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 468
  2⤵
  - Program crash
  PID:2964
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 796
  2⤵
  - Program crash
  PID:2308
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 804
  2⤵
  - Program crash
  PID:2456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 804
  2⤵
  - Program crash
  PID:2976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 888
  2⤵
  - Program crash
  PID:1056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1000
  2⤵
  - Program crash
  PID:2328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1008
  2⤵
  - Program crash
  PID:4772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1492
  2⤵
  - Program crash
  PID:4920
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "b69f0bb786ad98712c72c0d7c3272097462408d28860cb1bc3178f2550cc734c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1544
  2⤵
  - Program crash
  PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2704 -ip 2704
1⤵
PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2704 -ip 2704
1⤵
PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2704 -ip 2704
1⤵
PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2704 -ip 2704
1⤵
PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2704 -ip 2704
1⤵
PID:440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2704 -ip 2704
1⤵
PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2704 -ip 2704
1⤵
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2704 -ip 2704
1⤵
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2704 -ip 2704
1⤵
PID:3472

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

Replay Monitor

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Downloads

memory/2704-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2704-2-0x0000000002210000-0x000000000224C000-memory.dmp

Filesize
240KB

Download
memory/2704-1-0x00000000022A0000-0x00000000023A0000-memory.dmp

Filesize
1024KB

Download
memory/2704-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2704-6-0x0000000000400000-0x0000000001F89000-memory.dmp

Filesize
27.5MB

Download

Analysis

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