gcleaner | c98cb5ef26c659b30d3fc26fa45b27595337d83c32405d9298d799a975b736fb

Analysis

max time kernel
94s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 19:14

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General

Target

ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe
Size

347KB
MD5

ce977f0eaaaba80afc05abb7e1832269
SHA1

fc9f42ea2d0f738d6a3ee4952551a785f6bbac51
SHA256

c98cb5ef26c659b30d3fc26fa45b27595337d83c32405d9298d799a975b736fb
SHA512

585df40af807a799bbba213284f84463ecebba794b7049b417a218263003ab02cf59b461d4820c3832e593c04349766723ecde9f8523fdbc03ddfd546e64d8f3
SSDEEP

6144:dl1Mg/IZB2z4/3bvdLgrVejXPNIUi9rm7knGyHM:dbMg/Iy4/3zNFIUOmI

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

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/3656-2-0x00000000049F0000-0x0000000004A3F000-memory.dmp	family_onlylogger
behavioral2/memory/3656-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral2/memory/3656-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_onlylogger
behavioral2/memory/3656-5-0x00000000049F0000-0x0000000004A3F000-memory.dmp	family_onlylogger
behavioral2/memory/3656-4-0x0000000000400000-0x0000000002C8D000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3960	3656	WerFault.exe	84

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	ce977f0eaaaba80afc05abb7e1832269_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
1936	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 4548	3656	ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe	85
PID 3656 wrote to memory of 4548	3656	ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe	85
PID 3656 wrote to memory of 4548	3656	ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe	85
PID 4548 wrote to memory of 1936	4548	cmd.exe	90
PID 4548 wrote to memory of 1936	4548	cmd.exe	90
PID 4548 wrote to memory of 1936	4548	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 1144
  2⤵
  - Program crash
  PID:3960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3656 -ip 3656
1⤵
PID:4032

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

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Downloads

memory/3656-1-0x0000000002F50000-0x0000000003050000-memory.dmp

Filesize
1024KB

Download
memory/3656-2-0x00000000049F0000-0x0000000004A3F000-memory.dmp

Filesize
316KB

Download
memory/3656-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3656-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3656-5-0x00000000049F0000-0x0000000004A3F000-memory.dmp

Filesize
316KB

Download
memory/3656-4-0x0000000000400000-0x0000000002C8D000-memory.dmp

Filesize
40.6MB

Download