gh0strat | 1424e28b0f59490d026088f3f96ba1c0380df75dafb31d15a5526b81c8aea26d

General

Target

JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe
Size

96KB
MD5

39ffd3ffb23d9ea5ba54397a15865fdf
SHA1

0be1916cf3438fac6c36101ce5e1016b647e3961
SHA256

1424e28b0f59490d026088f3f96ba1c0380df75dafb31d15a5526b81c8aea26d
SHA512

b09b61a8d4abd8a24896c1c1c7f9d3f7aeff1df84ab8f46d51cc9e76ef0b01bf31623a2094e1affd2b363868330e84b0d0ecd5a69295817e9afdb2e1d45728bd
SSDEEP

1536:0iFusSx9qYMhdFHS8qdydo3nTzhYxJA+CwNUtBZVY9v8prnKlekv4gdYu:0IS4jHS8q/3nTzePCwNUh4E9n1K4gdD

Score

10^/10

gh0strat bootkit discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/files/0x00080000000175f7-20.dat	family_gh0strat
behavioral1/memory/2240-22-0x0000000000400000-0x000000000044E35C-memory.dmp	family_gh0strat
behavioral1/memory/2696-26-0x0000000020000000-0x0000000020027000-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
2240	iquhcwlryo

Executes dropped EXE 1 IoCs

pid	Process
2240	iquhcwlryo

Loads dropped DLL 3 IoCs

pid	Process
2988	JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe
2988	JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe
2696	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\jouewwhktt	svchost.exe

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	JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iquhcwlryo
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 6 IoCs

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2240	iquhcwlryo
2696	svchost.exe
2696	svchost.exe
2696	svchost.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeRestorePrivilege	2240	iquhcwlryo
Token: SeBackupPrivilege	2240	iquhcwlryo
Token: SeBackupPrivilege	2240	iquhcwlryo
Token: SeRestorePrivilege	2240	iquhcwlryo
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeRestorePrivilege	2696	svchost.exe
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeSecurityPrivilege	2696	svchost.exe
Token: SeSecurityPrivilege	2696	svchost.exe
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeSecurityPrivilege	2696	svchost.exe
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeSecurityPrivilege	2696	svchost.exe
Token: SeBackupPrivilege	2696	svchost.exe
Token: SeRestorePrivilege	2696	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2240	2988	JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe	30
PID 2988 wrote to memory of 2240	2988	JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe	30
PID 2988 wrote to memory of 2240	2988	JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe	30
PID 2988 wrote to memory of 2240	2988	JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- \??\c:\users\admin\appdata\local\iquhcwlryo
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe" a -sc:\users\admin\appdata\local\temp\jaffacakes118_39ffd3ffb23d9ea5ba54397a15865fdf.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2240

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- 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:2696

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:\programdata\application data\storm\update\%sessionname%\rofgp.cc3

Filesize
19.0MB

MD5
15113c5d10884633236e3d420783678f

SHA1
e88e1d01c4b1e4652af49e05f4811021e6978d71

SHA256
240a5263f9515df7de97ab85e44f172af6aca93c064f343f79f6f12dfdf74922

SHA512
72ba52faf4efb3d9ec2f2399988f62053142f268819563fd40991b8becd43326e4cae6f6b457a4b88bf206a48148097c22be26488905dfdbbd272ce56a8db776

Download Submit
\Users\Admin\AppData\Local\iquhcwlryo

Filesize
24.8MB

MD5
186dcc97c25509460d866ada92a13d99

SHA1
3a294f160e240d9ab58a488a710c5a8b4bda142b

SHA256
037ced9783504a77c3f06050771325d2b8873aba7acf88c7db256a7783041be5

SHA512
d577c97a766031ad75b81dde1108cf02705ac8416432bf85b8800883d29dd3d8d0545654196619fb2011800f4f07d5ec547cde3e363a4d92832d7daafac5ea8a

Download Submit
memory/2240-17-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/2240-22-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/2696-23-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2696-26-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2988-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2988-1-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/2988-7-0x0000000000230000-0x000000000027F000-memory.dmp

Filesize
316KB

Download
memory/2988-14-0x0000000000230000-0x000000000027F000-memory.dmp

Filesize
316KB

Download
memory/2988-13-0x0000000000400000-0x000000000044E35C-memory.dmp

Filesize
312KB

Download
memory/2988-25-0x0000000000230000-0x000000000027F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads