Malware Analysis Report

2025-01-22 14:31

Sample ID 240623-h26fssxeln
Target 0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118
SHA256 900bb7cca1195374e80e679603ff6f9c15dfdfdc0b548407d10f57e8f85a4eac
Tags
gh0strat bootkit persistence rat upx
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

900bb7cca1195374e80e679603ff6f9c15dfdfdc0b548407d10f57e8f85a4eac

Threat Level: Known bad

The file 0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gh0strat bootkit persistence rat upx

Gh0st RAT payload

Gh0strat

Server Software Component: Terminal Services DLL

Sets service image path in registry

Executes dropped EXE

UPX packed file

Checks computer location settings

Loads dropped DLL

Writes to the Master Boot Record (MBR)

Drops file in System32 directory

Drops file in Program Files directory

Program crash

Unsigned PE

Enumerates physical storage devices

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-23 07:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 07:14

Reported

2024-06-23 07:17

Platform

win7-20240221-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118.exe"

Network

N/A

Files

memory/1728-0-0x0000000000400000-0x0000000000468000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 07:14

Reported

2024-06-23 07:17

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118.exe"

Signatures

Gh0st RAT 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

Gh0strat

rat gh0strat

Server Software Component: Terminal Services DLL

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fastuserswitchingcompatibility\parameters\servicedll = "C:\\PROGRA~3\\DRM\\behck.dll" C:\Windows\SysWOW64\svchost.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fastuserswitchingcompatibility\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k netsvcs" C:\Windows\SysWOW64\svchost.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ope739A.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ope73F8.exe N/A

Loads dropped DLL

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

UPX packed file

upx
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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\d2f5ca0e.del C:\Users\Admin\AppData\Local\Temp\ope739A.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\PROGRA~3\DRM\behck.dll C:\Users\Admin\AppData\Local\Temp\ope739A.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\ope73F8.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\SysWOW64\svchost.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ope739A.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ope739A.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ope739A.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\ope739A.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0583d2ea6a260c5e994c32a1eb98c448_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\ope739A.exe

"C:\Users\Admin\AppData\Local\Temp\ope739A.exe"

C:\Users\Admin\AppData\Local\Temp\ope73F8.exe

"C:\Users\Admin\AppData\Local\Temp\ope73F8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4656 -ip 4656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 292

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe -k netsvcs -s fastuserswitchingcompatibility

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp
US 8.8.8.8:53 wmgjwg.3322.org udp
US 8.8.8.8:53 www.baidu.com udp

Files

memory/3092-0-0x0000000000400000-0x0000000000468000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ope739A.exe

MD5 46418fc6fe6bc75e8a40c6a5455de0ea
SHA1 ff2ee0b23af0fe7f704885bf7aa0925add4eccc1
SHA256 f4d7ae53a511f53c204fdcfbc7b2cdf05602153bbc6d2e43d2b4c4f36fefa237
SHA512 46fd023b9f8f3f179e485da7342ec2ce065507b4bdf01d5f25df594d43e00b1cb4be264b4a25f6843334fb3af20e4d4643552ed50eb89b4d1bde63736805366c

memory/4656-21-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1800-20-0x0000000000400000-0x0000000000431000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ope73F8.exe

MD5 3763c14917d9b879a616b792f2c793ec
SHA1 2b55407cfe555d815278a911c5a65f6e82f86ae2
SHA256 ee631f75cb297ba2332f61d1f3f248d359a6b014f8bce7b30af6c01f8d8ca708
SHA512 61caabcef82f79e70d1259e57d86849f400d62fab1a21de5234eabb5e33fcb9fe99cd1b9f6f24db922828fedcbe2f981680b0b43ff4bf4ad7c15ca874a27713d

memory/3092-23-0x0000000000400000-0x0000000000468000-memory.dmp

memory/4656-25-0x0000000000400000-0x000000000040C000-memory.dmp

C:\ProgramData\DRM\behck.dll

MD5 16c837efc07bd30b4f4365e88be77f94
SHA1 70aec25cd579f1888bb40b8e66f72851ebfb7d2d
SHA256 fc862c624cb1803416329c8c29f4fdaa75a05a69d5ad97df87b22ffada627431
SHA512 f8d386db550440d554bdedaa2d572309e14a18265011f8a5b3ce56955f8a7be3e4b84b68d92349d64cf2e915233eb63cf077cefa2a58e94c15c4c14739aec91a

memory/4284-30-0x0000000010000000-0x0000000010028000-memory.dmp

memory/1800-31-0x0000000000400000-0x0000000000431000-memory.dmp

memory/4284-32-0x0000000010000000-0x0000000010028000-memory.dmp