gh0strat | f49172c7efc124fcd4dc973d47ad9f5be31e35128df3186dee2d77a8ed390efe

General

Target

JaffaCakes118_430bb75757edc01d36a6113a671cedca.exe
Size

188KB
MD5

430bb75757edc01d36a6113a671cedca
SHA1

5dbfddd594dc5884a2c05283eebb0b7808ac8ba8
SHA256

f49172c7efc124fcd4dc973d47ad9f5be31e35128df3186dee2d77a8ed390efe
SHA512

bd956b621831231ae429ddc18e980f098c8e1083e8fcdc78500150762056e4a219999159a629571f44bc231519aba65ba790dee3015f0db26ae1b5a68d35cf7b
SSDEEP

3072:Za4DujnW0ynJ50xJNDatlSvsMkSs0+tvIwSJU3ETY6J9bn/Em9hJ0:4PnWN30xJNDatcUMeh6WEVb/9hJ

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000016d64-2.dat	family_gh0strat
behavioral1/memory/2404-4-0x0000000010000000-0x0000000010028000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat

Deletes itself 1 IoCs

pid	Process
2404	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2404	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ntgacrmonx	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\pdlen\tsjuc.obj	JaffaCakes118_430bb75757edc01d36a6113a671cedca.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_430bb75757edc01d36a6113a671cedca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2404	svchost.exe
2404	svchost.exe
2404	svchost.exe
2404	svchost.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeBackupPrivilege	2188	JaffaCakes118_430bb75757edc01d36a6113a671cedca.exe
Token: SeRestorePrivilege	2188	JaffaCakes118_430bb75757edc01d36a6113a671cedca.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeRestorePrivilege	2404	svchost.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeSecurityPrivilege	2404	svchost.exe
Token: SeSecurityPrivilege	2404	svchost.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeSecurityPrivilege	2404	svchost.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeSecurityPrivilege	2404	svchost.exe
Token: SeBackupPrivilege	2404	svchost.exe
Token: SeRestorePrivilege	2404	svchost.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_430bb75757edc01d36a6113a671cedca.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_430bb75757edc01d36a6113a671cedca.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2188

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Deletes itself
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\progra~2\pdlen\tsjuc.obj

Filesize
2.6MB

MD5
3cc07feeb777e02ae402260e8d4e6870

SHA1
c17d162e45d8957513433c3beb7be403ecefaf76

SHA256
f8bcc56449e43eddd4d3084d59520b64d1e51c9eb50e711913ed9a8868485902

SHA512
4055973d2b85381d5768d35a261ffa36c3e8520bbcdbd31a1d83daf1a510c2f63d958c5f31539e3fe8ec026a1176c8ede78eaa95994ac7ec9fc7deddb83e41c8

Download Submit
memory/2404-4-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads