gh0strat | 825ec7bb16e9df0ac9e1535799ff1b0229b1d3ec0b2731ce9db81070013818fb

General

Target

JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe
Size

82KB
MD5

36a2e68cb135f68e717e40c16126da64
SHA1

a5a021f67b2f9dd77d2d35c88c7a23e54678d87f
SHA256

825ec7bb16e9df0ac9e1535799ff1b0229b1d3ec0b2731ce9db81070013818fb
SHA512

6b29926b8d503c938698800475fe481c6bba9181f43204a1d18687601b73e91c498d5afb6b064c10338f7bfdf12092d4a6969f25fc0f95aebb3e5c860eac51f6
SSDEEP

1536:xuSHh2Oab+GoRbEAD2SHsvholNOjyFKMy+Jhvs5gqtuG7PrxHfTqrgwmD:nEH+GiEs2SMylNOjyFbxJC5eSPherpmD

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2344-4-0x00000000008C0000-0x00000000008D1000-memory.dmp	family_gh0strat
behavioral1/files/0x0009000000016d3e-2.dat	family_gh0strat
behavioral1/memory/1928-12-0x0000000000020000-0x0000000000031000-memory.dmp	family_gh0strat
behavioral1/files/0x0008000000016d46-15.dat	family_gh0strat
behavioral1/memory/1928-17-0x0000000000400000-0x0000000000411000-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\Vwxyab Defghijk Mno\Parameters\ServiceDll = "C:\\Windows\\system32\\1153353407.dll"	1.exe

Executes dropped EXE 1 IoCs

pid	Process
1928	1.exe

Loads dropped DLL 4 IoCs

pid	Process
2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe
2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe
1928	1.exe
2500	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\1153353407.dll	1.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_36a2e68cb135f68e717e40c16126da64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 1928	2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe	30
PID 2344 wrote to memory of 1928	2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe	30
PID 2344 wrote to memory of 1928	2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe	30
PID 2344 wrote to memory of 1928	2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe	30
PID 2344 wrote to memory of 1928	2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe	30
PID 2344 wrote to memory of 1928	2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe	30
PID 2344 wrote to memory of 1928	2344	JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36a2e68cb135f68e717e40c16126da64.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1928

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Vwxyab Defghijk Mno"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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:\windows\SysWOW64\1153353407.dll

Filesize
7.0MB

MD5
081dfa5f9f8ecbebe8c57337a6f6957a

SHA1
18eed9a5980fa29800a11a6c469882280b675c87

SHA256
976719b5bff4d1016cacf91dfe3c1b65e4429611bd8aa3a563db22199b536019

SHA512
e0645d067e3674b363277277f179d7170670356cfdb819f28d52a094874b2dfde68346baada905f4b0f9f1a3ac50eee8c7ed7000c7e5acbbd41f49b56dc2b753

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\1.exe

Filesize
64KB

MD5
3381a60a13ba8b1ded1ba01d45ef06df

SHA1
21ea110c033d20d41656259a053130fef4755d57

SHA256
8ee6f24af2357dfa751e4236ee478898432bb5a5e8584529b4aff928ba44b8d5

SHA512
8f7698046fe99b82b6c5b0a5e0804e79c781ebbe21fa2a1c042632a8a4b494d2562665ca2a88fd7b26b5093ba9498d0f6417026c23a662ccd450336d446b9544

Download Submit
memory/1928-12-0x0000000000020000-0x0000000000031000-memory.dmp

Filesize
68KB

Download
memory/1928-13-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/1928-17-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2344-4-0x00000000008C0000-0x00000000008D1000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads