gh0strat | e307f6f950e155231f33ffa01d7ebc880a731cb114415034ae15d2065881e936

General

Target

JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe
Size

148KB
MD5

40670ed67073cbe92e0a840f952c7027
SHA1

973f098997e3d2c57495c4f979599f5bdb8e311b
SHA256

e307f6f950e155231f33ffa01d7ebc880a731cb114415034ae15d2065881e936
SHA512

8a052222e17049c610cdbc036f80fd27b9bf82794fbaf92f65c260121f201ef971789012e8c8994526e9dd71d35be741fd51d1794f5b91a367bac3079c965c1e
SSDEEP

3072:ynPq548uC50gePA/UHMd70OUIa+fB5dnUPSYVsqek9N7hB3Z8:yPq5vaPY8vOUpG5xASasqpphFZ8

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012281-1.dat	family_gh0strat
behavioral1/memory/3000-7-0x0000000010000000-0x0000000010020000-memory.dmp	family_gh0strat
behavioral1/memory/2556-8-0x0000000010000000-0x0000000010020000-memory.dmp	family_gh0strat
behavioral1/memory/2376-9-0x0000000010000000-0x0000000010020000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\adobe reader\Parameters\ServiceDll = "C:\\Windows\\system32\\GUl.dll"	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2588	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\GUl.ini	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 3000	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	30
PID 2556 wrote to memory of 3000	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	30
PID 2556 wrote to memory of 3000	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	30
PID 2556 wrote to memory of 3000	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	30
PID 2556 wrote to memory of 3000	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	30
PID 2556 wrote to memory of 3000	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	30
PID 2556 wrote to memory of 3000	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	30
PID 2556 wrote to memory of 2588	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	32
PID 2556 wrote to memory of 2588	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	32
PID 2556 wrote to memory of 2588	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	32
PID 2556 wrote to memory of 2588	2556	JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40670ed67073cbe92e0a840f952c7027.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\GUl.dll setup
  2⤵
  - Server Software Component: Terminal Services DLL
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2588

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- System Location Discovery: System Language Discovery
PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\Server.tmp

Filesize
124KB

MD5
a333a34e0fe07abb28a75914ca5683f2

SHA1
325d9766bd5d7a8acc974abb472961fb2ee06947

SHA256
ca1c2c4e50cb7590f53da46ac45c753855c0e6a471a7911454065cb5d85c2653

SHA512
756275342fa43f6a43c819f40bc146f596379187363808596cfc0ca7bb2f084e647432f3f9b72ca423cd79b458156941a03a3d47e69b6a532157ec3e950c5bbe

Download Submit
memory/2376-9-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/2556-8-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/3000-7-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download

Analysis

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