gcleaner | 77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388

General

Target

77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
Size

277KB
MD5

9bad4b2e33b5f46cd55e649f44f27e90
SHA1

6cfe6ef810f28a4e562e9e36e53fe1dec1dde4e3
SHA256

77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388
SHA512

251c75fa82aff8902bf52581164a16cb9b9efaf2902eecca7a5b81b7d8d21560594b6e2c0bc272ef72d4a0b4b1bda069fb463dd1d7eaabd5704fa005d4682c89
SSDEEP

6144:xDh9q1Lk0EIqdME2iDpDNSbIEzHyd3hYPOw:xDh92Lk0t1ZQ0JbYw

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

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:

77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe

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

System Information Discovery
T1082

Program crash 11 IoCs

Processes:

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

pid	pid_target	process	target process
2748	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
4100	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
3052	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
3564	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
1872	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
3252	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
216	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
440	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
2364	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
4132	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
1888	1976	WerFault.exe	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3968 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3968 taskkill.exe

pid	process
3968	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3968	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.execmd.exe

description	pid	process	target process
PID 1976 wrote to memory of 4216	1976	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe	cmd.exe
PID 1976 wrote to memory of 4216	1976	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe	cmd.exe
PID 1976 wrote to memory of 4216	1976	77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe	cmd.exe
PID 4216 wrote to memory of 3968	4216	cmd.exe	taskkill.exe
PID 4216 wrote to memory of 3968	4216	cmd.exe	taskkill.exe
PID 4216 wrote to memory of 3968	4216	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe
"C:\Users\Admin\AppData\Local\Temp\77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 468
  2⤵
  - Program crash
  PID:2748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 464
  2⤵
  - Program crash
  PID:4100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 748
  2⤵
  - Program crash
  PID:3052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 768
  2⤵
  - Program crash
  PID:3564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 800
  2⤵
  - Program crash
  PID:1872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 848
  2⤵
  - Program crash
  PID:3252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 856
  2⤵
  - Program crash
  PID:216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 852
  2⤵
  - Program crash
  PID:440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 1032
  2⤵
  - Program crash
  PID:2364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 1344
  2⤵
  - Program crash
  PID:4132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4216
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "77f5514a159e816442793a82897ef2e64a6fc4199fc8cc4d535494c1b9cad388.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 1372
  2⤵
  - Program crash
  PID:1888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1976 -ip 1976
1⤵
PID:960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1976 -ip 1976
1⤵
PID:516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1976 -ip 1976
1⤵
PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1976 -ip 1976
1⤵
PID:3432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1976 -ip 1976
1⤵
PID:828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1976 -ip 1976
1⤵
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1976 -ip 1976
1⤵
PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1976 -ip 1976
1⤵
PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1976 -ip 1976
1⤵
PID:1356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1976 -ip 1976
1⤵
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1976 -ip 1976
1⤵
PID:4332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/1976-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

Filesize
1024KB

Download
memory/1976-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1976-2-0x0000000002D40000-0x0000000002D7C000-memory.dmp

Filesize
240KB

Download
memory/1976-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1976-6-0x0000000000400000-0x0000000002CA4000-memory.dmp

Filesize
40.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads