gcleaner | 8947301e85623e30300e9094eb2dad7f325660419362c223dba601de5bd9e3c4

General

Target

5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe
Size

281KB
MD5

5cc843ec28f5f4b15bf2e7e3e95ad54d
SHA1

7f8f587b2a18f801b48ebb182854056a505c7f2e
SHA256

8947301e85623e30300e9094eb2dad7f325660419362c223dba601de5bd9e3c4
SHA512

dc6e05e0d1b583f8c89f54cc28582f904e196c48919e0c91480c69a5809f0efcdf2a0a16371779693a8915d91b0fd0ccf78d17799a09f32cae6c2c2a999333f5
SSDEEP

6144:jRSqB6PTCV6/+quQKkZhif29yXTaBTVngQ6lTL5SO:v6PWV6/+qe8hmghTnV3O

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

C2

gc-prtnrs.top

gcc-prtnrs.top

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 6 IoCs

resource	yara_rule
behavioral1/memory/2232-2-0x00000000002F0000-0x000000000031E000-memory.dmp	family_onlylogger
behavioral1/memory/2232-3-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2232-10-0x0000000000400000-0x00000000004CA000-memory.dmp	family_onlylogger
behavioral1/memory/2232-11-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2232-27-0x0000000000400000-0x0000000000431000-memory.dmp	family_onlylogger
behavioral1/memory/2232-26-0x0000000000400000-0x00000000004CA000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2780	cmd.exe

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

Web Service

T1102

flow	ioc
8	iplogger.org
10	iplogger.org

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

System Information Discovery
T1082

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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2740	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	taskkill.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2840	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2840	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2840	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2840	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	32
PID 2232 wrote to memory of 2700	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	34
PID 2232 wrote to memory of 2700	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	34
PID 2232 wrote to memory of 2700	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	34
PID 2232 wrote to memory of 2700	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	34
PID 2232 wrote to memory of 2852	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	36
PID 2232 wrote to memory of 2852	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	36
PID 2232 wrote to memory of 2852	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	36
PID 2232 wrote to memory of 2852	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	36
PID 2232 wrote to memory of 2780	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	38
PID 2232 wrote to memory of 2780	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	38
PID 2232 wrote to memory of 2780	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	38
PID 2232 wrote to memory of 2780	2232	5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe	38
PID 2780 wrote to memory of 2740	2780	cmd.exe	40
PID 2780 wrote to memory of 2740	2780	cmd.exe	40
PID 2780 wrote to memory of 2740	2780	cmd.exe	40
PID 2780 wrote to memory of 2740	2780	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Btx8-B8VQN-uX0B-7MfzW}\78092660051.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Btx8-B8VQN-uX0B-7MfzW}\32287361731.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\{Btx8-B8VQN-uX0B-7MfzW}\18514059951.exe" /mix
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "5cc843ec28f5f4b15bf2e7e3e95ad54d_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\{Btx8-B8VQN-uX0B-7MfzW}\78092660051.exe

Filesize
162B

MD5
1b7c22a214949975556626d7217e9a39

SHA1
d01c97e2944166ed23e47e4a62ff471ab8fa031f

SHA256
340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87

SHA512
ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5

Download Submit
memory/2232-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2232-2-0x00000000002F0000-0x000000000031E000-memory.dmp

Filesize
184KB

Download
memory/2232-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2232-9-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2232-10-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2232-11-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2232-27-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2232-26-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

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