gcleaner | 9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f

General

Target
9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe
Size 290KB
Sample240525-js4raabb52
SHA256 9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f
MD5 a61394fd60b2526fc22fdcedc218fcb9
SHA1 4483ac3deadb1a98ba44a83189383f0cde8b9396
SHA512 4e97e914dceda133476d2416f07ef257cd7b37593d2f3e3895f9d2c8e4a11d332b02c393216496b3206d7daf7e2c09a81929fce5d899ed4aa1ad75b2f44b0c20
SSDEEP 6144:SPJ5ahGTNWhGXlAJ/7GdbMefPKdUKVbJsg4Udn6Vg2cT:SckNKGXl47GXnMnVbJjWQ
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
2724	1216	WerFault.exe	79
3996	1216	WerFault.exe	79
4420	1216	WerFault.exe	79
4876	1216	WerFault.exe	79
4824	1216	WerFault.exe	79
4072	1216	WerFault.exe	79
2108	1216	WerFault.exe	79
3140	1216	WerFault.exe	79
1688	1216	WerFault.exe	79
2640	1216	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
1952	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2008	1216	9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe	100
PID 1216 wrote to memory of 2008	1216	9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe	100
PID 1216 wrote to memory of 2008	1216	9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe	100
PID 2008 wrote to memory of 1952	2008	cmd.exe	104
PID 2008 wrote to memory of 1952	2008	cmd.exe	104
PID 2008 wrote to memory of 1952	2008	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe
"C:\Users\Admin\AppData\Local\Temp\9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 476
  2⤵
  - Program crash
  PID:2724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 500
  2⤵
  - Program crash
  PID:3996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 780
  2⤵
  - Program crash
  PID:4420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 780
  2⤵
  - Program crash
  PID:4876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 828
  2⤵
  - Program crash
  PID:4824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 872
  2⤵
  - Program crash
  PID:4072
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 984
  2⤵
  - Program crash
  PID:2108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 1072
  2⤵
  - Program crash
  PID:3140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 1452
  2⤵
  - Program crash
  PID:1688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "9d52bcacd553ba69e3fecb931e9d19aa2aa78551b03c7d961c1982b452be603f.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 1348
  2⤵
  - Program crash
  PID:2640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1216 -ip 1216
1⤵
PID:336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1216 -ip 1216
1⤵
PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1216 -ip 1216
1⤵
PID:2784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1216 -ip 1216
1⤵
PID:572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1216 -ip 1216
1⤵
PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1216 -ip 1216
1⤵
PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1216 -ip 1216
1⤵
PID:2080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1216 -ip 1216
1⤵
PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1216 -ip 1216
1⤵
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1216 -ip 1216
1⤵
PID:128

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/1216-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/1216-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Download

memory/1216-1-0x0000000002E00000-0x0000000002F00000-memory.dmp

Download

memory/1216-7-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/1216-6-0x0000000000400000-0x0000000002CA7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads