gh0strat | 370cc60c4179fc666f6dcc8d36cc896ca55cfb83e97ff1fc321a9f334e9acbc9

General

Target

bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
Size

783KB
MD5

bc84c4c01121c211a134e4e4324dd545
SHA1

80f58489ab7dc1d054a87f17a0ebe683fc3a8f06
SHA256

370cc60c4179fc666f6dcc8d36cc896ca55cfb83e97ff1fc321a9f334e9acbc9
SHA512

ea31d563644085c35dfc35626985774caaaff7a71835a149bc9b611e039d479158f2128ce94a9a995495b6ef6cb107aaaf28aae45200fc2d67add9c2d02b773f
SSDEEP

12288:jfoZQG1PyUwGh3Q9xRQpR3PvGLxe0DMwRoZQp1PyUwGhxYVv:Tod1twGwkR3PIx7DBoe1twGCv

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1376-0-0x0000000000400000-0x00000000004C8000-memory.dmp	family_gh0strat
behavioral2/files/0x00090000000233b9-5.dat	family_gh0strat
behavioral2/memory/1376-6-0x0000000000400000-0x00000000004C8000-memory.dmp	family_gh0strat
behavioral2/files/0x0002000000022a83-10.dat	family_gh0strat
behavioral2/memory/1836-16-0x0000000000400000-0x00000000004C8000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{gqpxydym-vfue-fhel-wkmr-opwuswwvsvzr}	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{gqpxydym-vfue-fhel-wkmr-opwuswwvsvzr}\stubpath = "C:\\Windows\\system32\\inykznpoh.exe"	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1836	inykznpoh.exe

Executes dropped EXE 1 IoCs

pid	Process
1836	inykznpoh.exe

Loads dropped DLL 1 IoCs

pid	Process
1836	inykznpoh.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\inykznpoh.exe_lang.ini	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\inykznpoh.exe	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\syslog.dat	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.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	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	inykznpoh.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1376	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
1376	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
1836	inykznpoh.exe
1836	inykznpoh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 85899345940	1376	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
Token: 85899345940	1836	inykznpoh.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1836	inykznpoh.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1836	1376	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe	86
PID 1376 wrote to memory of 1836	1376	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe	86
PID 1376 wrote to memory of 1836	1376	bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\SysWOW64\inykznpoh.exe
  C:\Windows\system32\inykznpoh.exe ZhuDongdelC:\Users\Admin\AppData\Local\Temp\bc84c4c01121c211a134e4e4324dd545_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Active Setup

1

T1547.014

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\240610875_lang.dll

Filesize
119KB

MD5
53b2733471104d486a9a39c3ad254750

SHA1
035638b47b9962649f8bb609303027a05a6846b0

SHA256
95ea555aff06047205fc51fb98424464c53833c14f8b535f4b6d809e466a8b7c

SHA512
8606a54ae9f8faa85dbafeb045874ffe7e350770bd9859cdcfa830f8b72d996402aeafa4f126781b492d08e9a82b051d05f33be858f43dc5fadcb6e9118d50a1

Download Submit
C:\Windows\SysWOW64\inykznpoh.exe

Filesize
783KB

MD5
3528cb62918dc5a494b0c4588e7b521f

SHA1
3e717bd03f749f918ddb17be464e209f21177e22

SHA256
8c6df25ee27c6eb2e903ef93b837616452f3cf9528597a323969782840648ee5

SHA512
276dcb42f4c34dcb861a061d2742957581f28f5743f96b1502f4931aa9d5f99bd116258bfe189bd13ce58146801cf05214254683f0290d2517d06e3b5980e7ea

Download Submit
memory/1376-0-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/1376-6-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/1836-16-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads