Malware Analysis Report

2025-01-02 06:44

Sample ID 241206-xx1gbayldq
Target ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118
SHA256 c98cb5ef26c659b30d3fc26fa45b27595337d83c32405d9298d799a975b736fb
Tags
gcleaner onlylogger discovery loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c98cb5ef26c659b30d3fc26fa45b27595337d83c32405d9298d799a975b736fb

Threat Level: Known bad

The file ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gcleaner onlylogger discovery loader

OnlyLogger

GCleaner

Gcleaner family

Onlylogger family

OnlyLogger payload

Deletes itself

Checks computer location settings

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-06 19:14

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-06 19:14

Reported

2024-12-06 19:17

Platform

win7-20240729-en

Max time kernel

16s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

OnlyLogger

loader onlylogger

Onlylogger family

onlylogger

OnlyLogger payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe"

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

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe" /f

Network

N/A

Files

memory/1456-2-0x0000000002E20000-0x0000000002E6F000-memory.dmp

memory/1456-1-0x0000000000250000-0x0000000000350000-memory.dmp

memory/1456-3-0x0000000000400000-0x0000000000452000-memory.dmp

memory/1456-6-0x0000000000400000-0x0000000000452000-memory.dmp

memory/1456-5-0x0000000002E20000-0x0000000002E6F000-memory.dmp

memory/1456-4-0x0000000000400000-0x0000000002C8D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-06 19:14

Reported

2024-12-06 19:17

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

OnlyLogger

loader onlylogger

Onlylogger family

onlylogger

OnlyLogger payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe"

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3656 -ip 3656

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "ce977f0eaaaba80afc05abb7e1832269_JaffaCakes118.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 1144

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 215.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

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

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

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

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

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

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