gcleaner | da91cc4c410cde5d1e3be2595251e20fc5015713ac8051bcdaa99b3e8b0d4de9

Analysis

max time kernel
90s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 21:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe
Size

332KB
MD5

e9fa30bb049ccbce95657f7fdb60cb1c
SHA1

8841faf1a39933a491d47107dc8bc25bfffa8984
SHA256

da91cc4c410cde5d1e3be2595251e20fc5015713ac8051bcdaa99b3e8b0d4de9
SHA512

7fe82a4f46b594084ffcb763c9958a05e8371a01f741d21c25d5fadcc60b4feb334cfe88cf194224af5bb57bb7d3926ea141bcc13c1bd2bf0ee2df08b7fdfa45
SSDEEP

6144:ie6y1a2AxRsu5Epoo+0Ctblwz5ZR6XcsxytXBRgjyX64GIrWCv:iE1a2AXcoo5CkR6/xmX3gjvhIrWc

Score

10^/10

gcleaner discovery loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe

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 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	e9fa30bb049ccbce95657f7fdb60cb1c_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
1868	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4060	5084	e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe	85
PID 5084 wrote to memory of 4060	5084	e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe	85
PID 5084 wrote to memory of 4060	5084	e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe	85
PID 4060 wrote to memory of 1868	4060	cmd.exe	87
PID 4060 wrote to memory of 1868	4060	cmd.exe	87
PID 4060 wrote to memory of 1868	4060	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4060
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "e9fa30bb049ccbce95657f7fdb60cb1c_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1868

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5084-1-0x0000000000790000-0x0000000000890000-memory.dmp

Filesize
1024KB

Download
memory/5084-2-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/5084-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download