Malware Analysis Report

2025-01-02 06:44

Sample ID 241206-pg3bzaxjdw
Target ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118
SHA256 bb5d78931ceb7836f22fe7f18d5a75d6a6fb6bd4fa5698b6dbc8758c0d6724f3
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

bb5d78931ceb7836f22fe7f18d5a75d6a6fb6bd4fa5698b6dbc8758c0d6724f3

Threat Level: Known bad

The file ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gcleaner onlylogger discovery loader

Onlylogger family

OnlyLogger

GCleaner

Gcleaner family

OnlyLogger payload

Checks computer location settings

Deletes itself

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-06 12:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-06 12:18

Reported

2024-12-06 12:21

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" /f

Network

N/A

Files

memory/2488-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

memory/2488-2-0x00000000003B0000-0x00000000003F8000-memory.dmp

memory/2488-3-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2488-6-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2488-5-0x00000000003B0000-0x00000000003F8000-memory.dmp

memory/2488-4-0x0000000000400000-0x0000000000889000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-06 12:18

Reported

2024-12-06 12:21

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_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\ccf66bd00babb14dfcbf7d1f13625c94_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\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 736

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 968

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 1128

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4764-1-0x0000000000B00000-0x0000000000C00000-memory.dmp

memory/4764-2-0x0000000000890000-0x00000000008D8000-memory.dmp

memory/4764-3-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4764-6-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4764-5-0x0000000000890000-0x00000000008D8000-memory.dmp

memory/4764-4-0x0000000000400000-0x0000000000889000-memory.dmp