gcleaner | 9341c363fb112f766c7387e89e2ab3e72c4f943da2fa4b8bf903831752c5a68c

General

Target

777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe
Size

344KB
MD5

777bcb883a1871f426cc9c680b37e2c9
SHA1

c0219b73585f6d41d5ac7394d6e97d009b555083
SHA256

9341c363fb112f766c7387e89e2ab3e72c4f943da2fa4b8bf903831752c5a68c
SHA512

f3a16d34c489678f4229126cfdde343a4c6f9b9a27e725f786748601f50ec9f7ec01a53d24d5f8099f707d2ead4a6cdcc93de72563c1d5fdc41d710919368cd0
SSDEEP

6144:yr4wRnsnFJ6Mw+o3baaWNA4SfqJL6hVOOhxxdeTr/ekI:WnWJ61rbaaWNAhAL6hxzxd6L

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
Gcleaner family
gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger
Onlylogger family
onlylogger

OnlyLogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4240-2-0x00000000001C0000-0x00000000001EF000-memory.dmp	family_onlylogger
behavioral2/memory/4240-3-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral2/memory/4240-10-0x0000000000400000-0x0000000000463000-memory.dmp	family_onlylogger
behavioral2/memory/4240-11-0x00000000001C0000-0x00000000001EF000-memory.dmp	family_onlylogger
behavioral2/memory/4240-12-0x0000000000400000-0x0000000000431000-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:

777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

840 4240 WerFault.exe 777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe

flow	ioc
16	iplogger.org
18	iplogger.org

pid	pid_target	process	target process
840	4240	WerFault.exe	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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:

777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.execmd.execmd.execmd.execmd.exetaskkill.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

3568 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3568 taskkill.exe

pid	process
3568	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3568	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 4240 wrote to memory of 2120	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 2120	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 2120	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 4816	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 4816	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 4816	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 3644	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 3644	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 3644	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 3608	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 3608	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 4240 wrote to memory of 3608	4240	777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe	cmd.exe
PID 3608 wrote to memory of 3568	3608	cmd.exe	taskkill.exe
PID 3608 wrote to memory of 3568	3608	cmd.exe	taskkill.exe
PID 3608 wrote to memory of 3568	3608	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{bFQ3-9uzEr-Klr2-BHeDo}\36174288272.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{bFQ3-9uzEr-Klr2-BHeDo}\47025282170.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{bFQ3-9uzEr-Klr2-BHeDo}\40067809684.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3644
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "777bcb883a1871f426cc9c680b37e2c9_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 1640
  2⤵
  - Program crash
  PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4240 -ip 4240
1⤵
PID:2588

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\{bFQ3-9uzEr-Klr2-BHeDo}\36174288272.exe

Filesize
277B

MD5
6445250d234e789c0c2afe69f119e326

SHA1
03074f75c0ff50783d8c2e32d96e39b746540f66

SHA256
2e6cd9433e66a9ebde268bc6949d4660de441790bd39ffc9cb0f4caaeb44320f

SHA512
ecd094a4d026378f85435f8a2dc16c92c033aff92ba126d8bbb22d6b279b842d417f4df0f63199ea248d0ec64b9679acb5a1f835560d8e3c5b84be492cc0e68e

Download Submit
memory/4240-1-0x00000000004B0000-0x00000000005B0000-memory.dmp

Filesize
1024KB

Download
memory/4240-2-0x00000000001C0000-0x00000000001EF000-memory.dmp

Filesize
188KB

Download
memory/4240-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4240-10-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4240-11-0x00000000001C0000-0x00000000001EF000-memory.dmp

Filesize
188KB

Download
memory/4240-12-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads