gcleaner | 25accd71879827642c588e33892cc18629d504098174d3b44ff0b73e2e464e67

General

Target

8297a58305737187da69bf06da75b442_JaffaCakes118.exe
Size

339KB
MD5

8297a58305737187da69bf06da75b442
SHA1

7dde24eb80ed7976d841b05318ff7b288a0fed50
SHA256

25accd71879827642c588e33892cc18629d504098174d3b44ff0b73e2e464e67
SHA512

5610811141f3a9dd0507a712b1f3ee6d5e5b509ac0ac641bce2d9cc2a595d25b3e3a39837dcab8022d2a2e7c4334a4eca493c899e9f7907edc052c670a233bcc
SSDEEP

6144:HxAiUW/TAzgxKRAbrGqE7G0Qxu9WuG5MDIKdqmdaVD2j:HxAiUW8zgfboIu0MsCt

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

resource	yara_rule
behavioral2/memory/3176-2-0x0000000000E80000-0x0000000000EC8000-memory.dmp	family_onlylogger
behavioral2/memory/3176-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral2/memory/3176-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral2/memory/3176-5-0x0000000000E80000-0x0000000000EC8000-memory.dmp	family_onlylogger
behavioral2/memory/3176-4-0x0000000000400000-0x0000000000885000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	8297a58305737187da69bf06da75b442_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

pid	pid_target	Process	procid_target
1700	3176	WerFault.exe	83
1980	3176	WerFault.exe	83
1492	3176	WerFault.exe	83
60	3176	WerFault.exe	83
856	3176	WerFault.exe	83
2152	3176	WerFault.exe	83
2868	3176	WerFault.exe	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8297a58305737187da69bf06da75b442_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

pid	Process
4480	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 5052	3176	8297a58305737187da69bf06da75b442_JaffaCakes118.exe	108
PID 3176 wrote to memory of 5052	3176	8297a58305737187da69bf06da75b442_JaffaCakes118.exe	108
PID 3176 wrote to memory of 5052	3176	8297a58305737187da69bf06da75b442_JaffaCakes118.exe	108
PID 5052 wrote to memory of 4480	5052	cmd.exe	112
PID 5052 wrote to memory of 4480	5052	cmd.exe	112
PID 5052 wrote to memory of 4480	5052	cmd.exe	112

C:\Users\Admin\AppData\Local\Temp\8297a58305737187da69bf06da75b442_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8297a58305737187da69bf06da75b442_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 736
  2⤵
  - Program crash
  PID:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 800
  2⤵
  - Program crash
  PID:1980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 940
  2⤵
  - Program crash
  PID:1492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 948
  2⤵
  - Program crash
  PID:60
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 948
  2⤵
  - Program crash
  PID:856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 928
  2⤵
  - Program crash
  PID:2152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "8297a58305737187da69bf06da75b442_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8297a58305737187da69bf06da75b442_JaffaCakes118.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "8297a58305737187da69bf06da75b442_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 728
  2⤵
  - Program crash
  PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3176 -ip 3176
1⤵
PID:1596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3176 -ip 3176
1⤵
PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3176 -ip 3176
1⤵
PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3176 -ip 3176
1⤵
PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3176 -ip 3176
1⤵
PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3176 -ip 3176
1⤵
PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3176 -ip 3176
1⤵
PID:1820

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

Replay Monitor

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Downloads

memory/3176-1-0x0000000000B80000-0x0000000000C80000-memory.dmp

Filesize
1024KB

Download
memory/3176-2-0x0000000000E80000-0x0000000000EC8000-memory.dmp

Filesize
288KB

Download
memory/3176-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3176-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3176-5-0x0000000000E80000-0x0000000000EC8000-memory.dmp

Filesize
288KB

Download
memory/3176-4-0x0000000000400000-0x0000000000885000-memory.dmp

Filesize
4.5MB

Download

Analysis

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