gcleaner | 2ce020d334aba172477337fb6aee6000e01d98c0afee7a8b2daa569e58a5f25c

General

Target

43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
Size

331KB
MD5

2cb08ca754964460e0c6d81e1250c974
SHA1

7f62b1284addc0f579b2ca240352027711d021f0
SHA256

43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3
SHA512

c00361862d1977e1a591a0a2ef21bc35aee37a97ff55ecffeb632a850000456613d497fa76e23a7e676473fd9a4bc325a0443a7bcf95fda512e3a08e314785ad
SSDEEP

6144:H5XlqHQCFVZqVFbFso4D3N/B3yoGkaFtZWfdW4TE3v1144C0K:H9sHQCFVQVFb095CGaFtZ4dW1cn

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
808	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
2764	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
684	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
3428	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
4848	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
2088	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
3624	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
2492	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
1072	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
4968	2116	WerFault.exe	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3768 taskkill.exe

pid	process
3768	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe

pid	process
2116	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
2116	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3768 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3768	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.execmd.exe

description	pid	process	target process
PID 2116 wrote to memory of 3892	2116	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe	cmd.exe
PID 2116 wrote to memory of 3892	2116	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe	cmd.exe
PID 2116 wrote to memory of 3892	2116	43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe	cmd.exe
PID 3892 wrote to memory of 3768	3892	cmd.exe	taskkill.exe
PID 3892 wrote to memory of 3768	3892	cmd.exe	taskkill.exe
PID 3892 wrote to memory of 3768	3892	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe
"C:\Users\Admin\AppData\Local\Temp\43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 452
  2⤵
  - Program crash
  PID:808
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 764
  2⤵
  - Program crash
  PID:2764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 784
  2⤵
  - Program crash
  PID:684
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 784
  2⤵
  - Program crash
  PID:3428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 836
  2⤵
  - Program crash
  PID:4848
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 928
  2⤵
  - Program crash
  PID:2088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 936
  2⤵
  - Program crash
  PID:3624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1040
  2⤵
  - Program crash
  PID:2492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1368
  2⤵
  - Program crash
  PID:1072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3892
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "43c684cde21885bd1a7add14846c6ce0ab374a6ff7163b655ec80186620770d3.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1488
  2⤵
  - Program crash
  PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2116 -ip 2116
1⤵
PID:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2116 -ip 2116
1⤵
PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2116 -ip 2116
1⤵
PID:212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2116 -ip 2116
1⤵
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2116 -ip 2116
1⤵
PID:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2116 -ip 2116
1⤵
PID:572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2116 -ip 2116
1⤵
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2116 -ip 2116
1⤵
PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2116 -ip 2116
1⤵
PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2116 -ip 2116
1⤵
PID:3876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2116-134-0x0000000000620000-0x0000000000660000-memory.dmp

Filesize
256KB

Download
memory/2116-136-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads