gh0strat | 3ddb86ec00abc2f1af7787dac0c6451fc0de0283a69d3300d878344d38e4d48b

General

Target

ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe
Size

124KB
MD5

ef18c281208a5d536f4a5e765bd46aa3
SHA1

195939acadcbad6a51c074d9ba1a9ed329213640
SHA256

3ddb86ec00abc2f1af7787dac0c6451fc0de0283a69d3300d878344d38e4d48b
SHA512

291ff26dc3a1b651812b46c6428a8d021fa81ef2818920ea5b991019eec441a53fbc3f08a78da58833d86e6065e97df270b6fa1606c6799936cf0c30576c1c4d
SSDEEP

1536:LRRcgYZ6uBJFuNd7xoKQFcakHf1EUhP1AZ2IL1H2OUD4:NG3INRQFhk/1EUPA4IL1HtUD4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2668-0-0x0000000000400000-0x0000000000420000-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

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\Run\:\WINDOWS\Temp\svchast.exe 202492145049.exe = "C:\\WINDOWS\\Temp\\svchast.exe 202492145049.exe"	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.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	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchast.exe 202492145049.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
2664	taskkill.exe
2928	taskkill.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	taskkill.exe
Token: SeDebugPrivilege	2928	taskkill.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2664	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2664	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2664	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2664	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2664	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2664	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2664	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2760	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	31
PID 2668 wrote to memory of 2760	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	31
PID 2668 wrote to memory of 2760	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	31
PID 2668 wrote to memory of 2760	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	31
PID 2668 wrote to memory of 2760	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	31
PID 2668 wrote to memory of 2760	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	31
PID 2668 wrote to memory of 2760	2668	ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe	31
PID 2760 wrote to memory of 2928	2760	svchast.exe 202492145049.exe	33
PID 2760 wrote to memory of 2928	2760	svchast.exe 202492145049.exe	33
PID 2760 wrote to memory of 2928	2760	svchast.exe 202492145049.exe	33
PID 2760 wrote to memory of 2928	2760	svchast.exe 202492145049.exe	33
PID 2760 wrote to memory of 2928	2760	svchast.exe 202492145049.exe	33
PID 2760 wrote to memory of 2928	2760	svchast.exe 202492145049.exe	33
PID 2760 wrote to memory of 2928	2760	svchast.exe 202492145049.exe	33

C:\Users\Admin\AppData\Local\Temp\ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef18c281208a5d536f4a5e765bd46aa3_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Ksafetray.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2664
- C:\WINDOWS\Temp\svchast.exe 202492145049.exe
  "C:\WINDOWS\Temp\svchast.exe 202492145049.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im Ksafetray.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2928