gcleaner | 5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573

General

Target

5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
Size

262KB
MD5

635e01e3fd27ac5c8a4a00c44664af6f
SHA1

44d9e1f9f891822dc8987b51fbe2688ecaeeca0b
SHA256

5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573
SHA512

b3ea21309b25706a26fa8b6da7d8bfddba95724a707d27b2461979dd4e489b5de157dc3b21258c696dee2fc015591a413473edaf6c110333e11b8757f2417f0a
SSDEEP

6144:OGyMSj0l99zKx1N4XNS0ytlWB6t82wC1QilY:OGyrj0f9zKvcw0wlWM82wC9

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 10 IoCs

Processes:

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

pid	pid_target	process	target process
568	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
2020	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
1392	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
700	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
3692	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
4608	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
1624	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
4032	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
2388	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
2684	4852	WerFault.exe	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1484 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1484 taskkill.exe

pid	process
1484	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1484	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.execmd.exe

description	pid	process	target process
PID 4852 wrote to memory of 428	4852	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe	cmd.exe
PID 4852 wrote to memory of 428	4852	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe	cmd.exe
PID 4852 wrote to memory of 428	4852	5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe	cmd.exe
PID 428 wrote to memory of 1484	428	cmd.exe	taskkill.exe
PID 428 wrote to memory of 1484	428	cmd.exe	taskkill.exe
PID 428 wrote to memory of 1484	428	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe
"C:\Users\Admin\AppData\Local\Temp\5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 476
  2⤵
  - Program crash
  PID:568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 532
  2⤵
  - Program crash
  PID:2020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 780
  2⤵
  - Program crash
  PID:1392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 820
  2⤵
  - Program crash
  PID:700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 844
  2⤵
  - Program crash
  PID:3692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 872
  2⤵
  - Program crash
  PID:4608
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 984
  2⤵
  - Program crash
  PID:1624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 992
  2⤵
  - Program crash
  PID:4032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 1468
  2⤵
  - Program crash
  PID:2388
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:428
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "5f42e5bdef951ece973249376de8b01d250ad5cf075fbc8b578576a6321cf573.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1484
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 1500
  2⤵
  - Program crash
  PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4852 -ip 4852
1⤵
PID:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4852 -ip 4852
1⤵
PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4852 -ip 4852
1⤵
PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4852 -ip 4852
1⤵
PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4852 -ip 4852
1⤵
PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4852 -ip 4852
1⤵
PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4852 -ip 4852
1⤵
PID:1244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 4852 -ip 4852
1⤵
PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 4852 -ip 4852
1⤵
PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4852 -ip 4852
1⤵
PID:4252

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/4852-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

Filesize
1024KB

Download
memory/4852-2-0x0000000004A00000-0x0000000004A3C000-memory.dmp

Filesize
240KB

Download
memory/4852-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4852-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4852-7-0x0000000004A00000-0x0000000004A3C000-memory.dmp

Filesize
240KB

Download
memory/4852-6-0x0000000000400000-0x0000000002C99000-memory.dmp

Filesize
40.6MB

Download

Analysis

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