gh0strat | 761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e

General

Target

761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe
Size

1.0MB
MD5

0f055a69a984adaf9b645caf78036c97
SHA1

f42623384d44e2387c52295874a2a7f1cd8ce929
SHA256

761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e
SHA512

6faa6d3cf7d29e5c42531f41fa599d4e705fb5fb58f3b2c515e35ba366be9cb5ec80fb8b1a775e8dfe0ad1a07cf21bc909b26faed2cf73923d16959d637479b2
SSDEEP

12288:R1ec/eFqGwf63oXk2yFqR+lIaaiEOqN/L0FgEhBCpJJNn8/MPr4OsnM:be7qGK63o024qR+aaHEx/wFvUPEOs

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Extracted

Family

gh0strat

C2

116.62.87.138

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2424-8-0x0000000010000000-0x000000001001D000-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
Executes dropped EXE 3 IoCs

Processes:

·ÀºÚÆÁ2.exeShowsWinse.exe·ÀºÚÆÁ2.exe

pid process

2244 ·ÀºÚÆÁ2.exe
3040 ShowsWinse.exe
1616 ·ÀºÚÆÁ2.exe

Loads dropped DLL 2 IoCs

Processes:

761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe

pid	process
2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe
2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

·ÀºÚÆÁ2.exe·ÀºÚÆÁ2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\FHPP = "C:\\Users\\Admin\\AppData\\Local\\Temp\\·ÀºÚÆÁ2.exe"	·ÀºÚÆÁ2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\FHPP = "C:\\Windows\\·ÀºÚÆÁ2.exe"	·ÀºÚÆÁ2.exe

Drops file in Windows directory 4 IoCs

Processes:

761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exeShowsWinse.exe

description	ioc	process
File created	C:\Windows\ShowsWinse.exe	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe
File opened for modification	C:\Windows\ShowsWinse.exe	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe
File created	C:\Windows\·ÀºÚÆÁ2.exe	ShowsWinse.exe
File created	C:\Windows\ShowsWinse.exe	ShowsWinse.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

schtasks.exeShowsWinse.exe·ÀºÚÆÁ2.exeschtasks.exe761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe·ÀºÚÆÁ2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ShowsWinse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	·ÀºÚÆÁ2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	·ÀºÚÆÁ2.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exe

pid process

2900 schtasks.exe
2836 schtasks.exe

pid	process
2900	schtasks.exe
2836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

·ÀºÚÆÁ2.exe761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe

pid	process
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe
2244	·ÀºÚÆÁ2.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

·ÀºÚÆÁ2.exe·ÀºÚÆÁ2.exe

pid process

2244 ·ÀºÚÆÁ2.exe
2244 ·ÀºÚÆÁ2.exe
1616 ·ÀºÚÆÁ2.exe
1616 ·ÀºÚÆÁ2.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exetaskeng.exeShowsWinse.exe

description	pid	process	target process
PID 2424 wrote to memory of 2244	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	·ÀºÚÆÁ2.exe
PID 2424 wrote to memory of 2244	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	·ÀºÚÆÁ2.exe
PID 2424 wrote to memory of 2244	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	·ÀºÚÆÁ2.exe
PID 2424 wrote to memory of 2244	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	·ÀºÚÆÁ2.exe
PID 2424 wrote to memory of 2836	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	schtasks.exe
PID 2424 wrote to memory of 2836	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	schtasks.exe
PID 2424 wrote to memory of 2836	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	schtasks.exe
PID 2424 wrote to memory of 2836	2424	761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe	schtasks.exe
PID 2240 wrote to memory of 3040	2240	taskeng.exe	ShowsWinse.exe
PID 2240 wrote to memory of 3040	2240	taskeng.exe	ShowsWinse.exe
PID 2240 wrote to memory of 3040	2240	taskeng.exe	ShowsWinse.exe
PID 2240 wrote to memory of 3040	2240	taskeng.exe	ShowsWinse.exe
PID 3040 wrote to memory of 1616	3040	ShowsWinse.exe	·ÀºÚÆÁ2.exe
PID 3040 wrote to memory of 1616	3040	ShowsWinse.exe	·ÀºÚÆÁ2.exe
PID 3040 wrote to memory of 1616	3040	ShowsWinse.exe	·ÀºÚÆÁ2.exe
PID 3040 wrote to memory of 1616	3040	ShowsWinse.exe	·ÀºÚÆÁ2.exe
PID 3040 wrote to memory of 2900	3040	ShowsWinse.exe	schtasks.exe
PID 3040 wrote to memory of 2900	3040	ShowsWinse.exe	schtasks.exe
PID 3040 wrote to memory of 2900	3040	ShowsWinse.exe	schtasks.exe
PID 3040 wrote to memory of 2900	3040	ShowsWinse.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe
"C:\Users\Admin\AppData\Local\Temp\761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\·ÀºÚÆÁ2.exe
  C:\Users\Admin\AppData\Local\Temp\·ÀºÚÆÁ2.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2244
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /tn "ShowsWin" /tr C:\Windows\ShowsWinse.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2836

C:\Windows\system32\taskeng.exe
taskeng.exe {1023DB5F-F15D-4537-8117-EDE4EA4B2DD9} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\ShowsWinse.exe
  C:\Windows\ShowsWinse.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\·ÀºÚÆÁ2.exe
    C:\Windows\·ÀºÚÆÁ2.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1616
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /sc minute /tn "ShowsWin" /tr C:\Windows\ShowsWinse.exe /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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:\Users\Admin\AppData\Local\Temp\·ÀºÚÆÁ2.exe

Filesize
780KB

MD5
52b8ff9e93b3ed7d23f1be5737fe9fd6

SHA1
9dc246cbba5e4e103cbab5642f9bc00375aa01e8

SHA256
9fac08b760dbd1ba11421fd0a1f3c4297527752dd31c38f2d16098420a5d8342

SHA512
2ebf43f646968a9d9a68a996f2f5522a14b8a04fe732bc3718744d929ee3e53eb367d3ea0521fa29b4b091243cd6ce17a66875cc09a91cd570ed48403b2c995f

Download Submit
C:\Windows\ShowsWinse.exe

Filesize
1.0MB

MD5
0f055a69a984adaf9b645caf78036c97

SHA1
f42623384d44e2387c52295874a2a7f1cd8ce929

SHA256
761a9722d17a995cdb504aa2827e526c1ef7b390e2277ab2fb0f85b0737abe4e

SHA512
6faa6d3cf7d29e5c42531f41fa599d4e705fb5fb58f3b2c515e35ba366be9cb5ec80fb8b1a775e8dfe0ad1a07cf21bc909b26faed2cf73923d16959d637479b2

Download Submit
memory/2424-8-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads