gcleaner | cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d

General

Target

cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe
Size

282KB
MD5

2ddaf8993230c42f0d2df78b9e584a07
SHA1

70148065c2198f57b040ac6b03a8253b4b7655b8
SHA256

cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d
SHA512

75689131dea4b024749969a4137365f5650b79f308e10c0383f3920a71938ef4855ad99a3f5892c27a59d8717ed289f32c71e9edc365543337c555f0ab49e559
SSDEEP

3072:sgnP8ix8vzRv6pR6InK2fIs3wQWsayX+zKoPulvaJMbWMFdoriARVF8TMCkP0/:PnP8ix8FEukmt2oPutadriKVkk

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.115

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

pid	pid_target	Process	procid_target
3728	1956	WerFault.exe	87
2772	1956	WerFault.exe	87
2988	1956	WerFault.exe	87
3140	1956	WerFault.exe	87
4120	1956	WerFault.exe	87
4008	1956	WerFault.exe	87
2056	1956	WerFault.exe	87
1040	1956	WerFault.exe	87
1600	1956	WerFault.exe	87

Kills process with taskkill 1 IoCs

evasion

pid	Process
1364	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4324	1956	cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe	108
PID 1956 wrote to memory of 4324	1956	cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe	108
PID 1956 wrote to memory of 4324	1956	cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe	108
PID 4324 wrote to memory of 1364	4324	cmd.exe	112
PID 4324 wrote to memory of 1364	4324	cmd.exe	112
PID 4324 wrote to memory of 1364	4324	cmd.exe	112

C:\Users\Admin\AppData\Local\Temp\cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe
"C:\Users\Admin\AppData\Local\Temp\cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 744
  2⤵
  - Program crash
  PID:3728
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 784
  2⤵
  - Program crash
  PID:2772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 796
  2⤵
  - Program crash
  PID:2988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 816
  2⤵
  - Program crash
  PID:3140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 904
  2⤵
  - Program crash
  PID:4120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 976
  2⤵
  - Program crash
  PID:4008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1012
  2⤵
  - Program crash
  PID:2056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1344
  2⤵
  - Program crash
  PID:1040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "cd091b3eae0d97833d46494834963a56485a1b20e61b6c18624138727a6aa74d.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 1264
  2⤵
  - Program crash
  PID:1600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1956 -ip 1956
1⤵
PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1956 -ip 1956
1⤵
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1956 -ip 1956
1⤵
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1956 -ip 1956
1⤵
PID:3988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1956 -ip 1956
1⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1956 -ip 1956
1⤵
PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1956 -ip 1956
1⤵
PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1956 -ip 1956
1⤵
PID:3476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1956 -ip 1956
1⤵
PID:3084

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

Replay Monitor

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Downloads

memory/1956-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/1956-2-0x00000000006A0000-0x00000000006CD000-memory.dmp

Filesize
180KB

Download
memory/1956-3-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/1956-5-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/1956-6-0x00000000006A0000-0x00000000006CD000-memory.dmp

Filesize
180KB

Download

Analysis

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