gcleaner | d3ffc863f4d40094dce227a03c1e4b9737238c13cf79cb996bbe3d0530037d59

Analysis

max time kernel
7s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 14:26

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
1b62d4b6a9011a58f7e1d5608dd6e910.exe
Size 362KB
Sample231230-rr72babde3
SHA256 d3ffc863f4d40094dce227a03c1e4b9737238c13cf79cb996bbe3d0530037d59
MD5 1b62d4b6a9011a58f7e1d5608dd6e910
SHA1 eedb752e4e718827fae02c8d46a177b680ede3c3
SHA512 7853c8a30e4ad38841c84999b6de896a134d77a55aec9ce846993d1de617418ef8c8fd742a36f907e7910e35051ed45fd131db8320c10c5017bd35964e26dd46
SSDEEP 6144:AwXyJtGVfjYCtoDgTABnn02Mmiz+bzkpkJsqq1iFyw8Fh+1BebW:Hyt0rYCogTABn02Mmi5pkaYk5g1BO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

194.145.227.161

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/4572-2-0x0000000004170000-0x00000000041B9000-memory.dmp	family_onlylogger
behavioral2/memory/4572-3-0x0000000000400000-0x00000000023C4000-memory.dmp	family_onlylogger
behavioral2/memory/4572-4-0x0000000000400000-0x00000000023C4000-memory.dmp	family_onlylogger
behavioral2/memory/4572-5-0x0000000004170000-0x00000000041B9000-memory.dmp	family_onlylogger

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	1b62d4b6a9011a58f7e1d5608dd6e910.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
3920	4572	WerFault.exe	14
5084	4572	WerFault.exe	14
4512	4572	WerFault.exe	14
4532	4572	WerFault.exe	14
860	4572	WerFault.exe	14
3852	4572	WerFault.exe	14
3268	4572	WerFault.exe	14

Kills process with taskkill 1 IoCs

evasion

pid	Process
764	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 400	4572	1b62d4b6a9011a58f7e1d5608dd6e910.exe	113
PID 4572 wrote to memory of 400	4572	1b62d4b6a9011a58f7e1d5608dd6e910.exe	113
PID 4572 wrote to memory of 400	4572	1b62d4b6a9011a58f7e1d5608dd6e910.exe	113
PID 400 wrote to memory of 764	400	cmd.exe	108
PID 400 wrote to memory of 764	400	cmd.exe	108
PID 400 wrote to memory of 764	400	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\1b62d4b6a9011a58f7e1d5608dd6e910.exe
"C:\Users\Admin\AppData\Local\Temp\1b62d4b6a9011a58f7e1d5608dd6e910.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 684
  2⤵
  - Program crash
  PID:3920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 756
  2⤵
  - Program crash
  PID:5084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 928
  2⤵
  - Program crash
  PID:4512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 776
  2⤵
  - Program crash
  PID:4532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 776
  2⤵
  - Program crash
  PID:860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 956
  2⤵
  - Program crash
  PID:3852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 976
  2⤵
  - Program crash
  PID:3268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "1b62d4b6a9011a58f7e1d5608dd6e910.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1b62d4b6a9011a58f7e1d5608dd6e910.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4572 -ip 4572
1⤵
PID:1004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4572 -ip 4572
1⤵
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4572 -ip 4572
1⤵
PID:3756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4572 -ip 4572
1⤵
PID:3472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4572 -ip 4572
1⤵
PID:4200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4572 -ip 4572
1⤵
PID:3908

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "1b62d4b6a9011a58f7e1d5608dd6e910.exe" /f
1⤵
- Kills process with taskkill
PID:764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4572 -ip 4572
1⤵
PID:3308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4572-2-0x0000000004170000-0x00000000041B9000-memory.dmp

Download

memory/4572-1-0x0000000002420000-0x0000000002520000-memory.dmp

Download

memory/4572-3-0x0000000000400000-0x00000000023C4000-memory.dmp

Download

memory/4572-4-0x0000000000400000-0x00000000023C4000-memory.dmp

Download

memory/4572-5-0x0000000004170000-0x00000000041B9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads