gcleaner | 3d6115e8c6be1cfcd600eebaa0b16c5943896fb0f45e66cee3ec71c38c53439d

General

Target

24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
Size

337KB
MD5

24b3f3ce1ad3547d531330d65d27292e
SHA1

631342516182094bcfe3c57b0cc254f042b6b2d3
SHA256

3d6115e8c6be1cfcd600eebaa0b16c5943896fb0f45e66cee3ec71c38c53439d
SHA512

05add7126941b56f7392ef731a169c9ecfa0c277db404858c1fe1e9249d9c425694217c9f6456f6b2ca1b6034bafd307dc4e783037aa5a518bbd4fc11e8aa9c5
SSDEEP

6144:7eJnFeYbW1ZTsLs0ZCihb12VkKOStr9jC0ZZm51/0jsqC59fofSlg:7SF/bqZmZckktRjZG51su9oqlg

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

C2

gcl-page.biz

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 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3332-2-0x0000000000960000-0x00000000009A8000-memory.dmp	family_onlylogger
behavioral2/memory/3332-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral2/memory/3332-4-0x0000000000400000-0x0000000000884000-memory.dmp	family_onlylogger
behavioral2/memory/3332-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral2/memory/3332-5-0x0000000000960000-0x00000000009A8000-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

Processes:

24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

Processes:

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

pid	pid_target	process	target process
1192	3332	WerFault.exe	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
4448	3332	WerFault.exe	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
3492	3332	WerFault.exe	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
992	3332	WerFault.exe	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
3904	3332	WerFault.exe	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
4900	3332	WerFault.exe	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
1624	3332	WerFault.exe	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.execmd.exetaskkill.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4572 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4572 taskkill.exe

pid	process
4572	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4572	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 3332 wrote to memory of 2248	3332	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe	cmd.exe
PID 3332 wrote to memory of 2248	3332	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe	cmd.exe
PID 3332 wrote to memory of 2248	3332	24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 4572	2248	cmd.exe	taskkill.exe
PID 2248 wrote to memory of 4572	2248	cmd.exe	taskkill.exe
PID 2248 wrote to memory of 4572	2248	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 688
  2⤵
  - Program crash
  PID:1192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 732
  2⤵
  - Program crash
  PID:4448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 920
  2⤵
  - Program crash
  PID:3492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 764
  2⤵
  - Program crash
  PID:992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 764
  2⤵
  - Program crash
  PID:3904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 948
  2⤵
  - Program crash
  PID:4900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "24b3f3ce1ad3547d531330d65d27292e_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 744
  2⤵
  - Program crash
  PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3332 -ip 3332
1⤵
PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3332 -ip 3332
1⤵
PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3332 -ip 3332
1⤵
PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3332 -ip 3332
1⤵
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3332 -ip 3332
1⤵
PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3332 -ip 3332
1⤵
PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3332 -ip 3332
1⤵
PID:3512

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3332-1-0x0000000000B50000-0x0000000000C50000-memory.dmp

Filesize
1024KB

Download
memory/3332-2-0x0000000000960000-0x00000000009A8000-memory.dmp

Filesize
288KB

Download
memory/3332-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3332-4-0x0000000000400000-0x0000000000884000-memory.dmp

Filesize
4.5MB

Download
memory/3332-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3332-5-0x0000000000960000-0x00000000009A8000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads