gcleaner | 2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a

General

Target
2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
Size 275KB
Sample240524-2pacdaea65
SHA256 2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a
MD5 3021048d6200956eed8425f8d13ed458
SHA1 eb5a332a726af47e67c641e7526082c553f71c03
SHA512 1f73cc7fea66ea131b267532a3b84ea46c34715910f12d6539434381935ad346cc625f25af0bc1cb0df65e26f08a98aa5af724b48dd661d6d38464525690bb0c
SSDEEP 6144:hfT+vt6FqlKk4VnP+1wAsieXkqOoRuJRqK40g:550z4VnP4sLX9tRb0
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 10 IoCs

pid	pid_target	Process	procid_target
1136	128	WerFault.exe	79
844	128	WerFault.exe	79
2388	128	WerFault.exe	79
2004	128	WerFault.exe	79
580	128	WerFault.exe	79
1236	128	WerFault.exe	79
3004	128	WerFault.exe	79
4400	128	WerFault.exe	79
4340	128	WerFault.exe	79
952	128	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
2480	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2480	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 128 wrote to memory of 5000	128	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe	100
PID 128 wrote to memory of 5000	128	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe	100
PID 128 wrote to memory of 5000	128	2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe	100
PID 5000 wrote to memory of 2480	5000	cmd.exe	104
PID 5000 wrote to memory of 2480	5000	cmd.exe	104
PID 5000 wrote to memory of 2480	5000	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe
"C:\Users\Admin\AppData\Local\Temp\2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 476
  2⤵
  - Program crash
  PID:1136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 500
  2⤵
  - Program crash
  PID:844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 780
  2⤵
  - Program crash
  PID:2388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 800
  2⤵
  - Program crash
  PID:2004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 840
  2⤵
  - Program crash
  PID:580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 780
  2⤵
  - Program crash
  PID:1236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 960
  2⤵
  - Program crash
  PID:3004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 1068
  2⤵
  - Program crash
  PID:4400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 1428
  2⤵
  - Program crash
  PID:4340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5000
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2279263815df6659e59e028a5f1db6285dfe38291241d695538578ef634b497a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 1388
  2⤵
  - Program crash
  PID:952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 128 -ip 128
1⤵
PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 128 -ip 128
1⤵
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 128 -ip 128
1⤵
PID:3428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 128 -ip 128
1⤵
PID:904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 128 -ip 128
1⤵
PID:3316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 128 -ip 128
1⤵
PID:3584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 128 -ip 128
1⤵
PID:2620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 128 -ip 128
1⤵
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 128 -ip 128
1⤵
PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 128 -ip 128
1⤵
PID:468

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

Loading Replay Monitor...

Downloads

memory/128-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/128-2-0x00000000049E0000-0x0000000004A1C000-memory.dmp

Download

memory/128-1-0x0000000003040000-0x0000000003140000-memory.dmp

Download

memory/128-7-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/128-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads