gh0strat | 1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 08:37

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General

Target

1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe
Size

208KB
MD5

51add2274815848efd8fefebbd260d60
SHA1

4b6aaff82d339f6f5e12450b1966606b36fee18d
SHA256

1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140
SHA512

28786d404a5a6b0c7cb762411e9ca1fb8362cdffee9fd2c1eecd06f3d59f6606bfc7e59609fc457fb290adcca56c2874b1d33ae04770a101cecd15d5fb25a531
SSDEEP

3072:Uw8Simq8IYND9AfiXsR3C58aOn/MV8S1gkmY886ylSCPROMwlrfQMHNE+nAW95/c:f8xLTC8zRoOMwlrfhfc

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x00140000000054ab-55.dat	family_gh0strat
behavioral1/files/0x00140000000054ab-58.dat	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

Executes dropped EXE 1 IoCs

pid	Process
976	kscan.exe

Deletes itself 1 IoCs

pid	Process
1972	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\system32\\kscan.exe"	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kscan.exe	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe
File opened for modification	C:\Windows\SysWOW64\kscan.exe	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
976	kscan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1092	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1972	1092	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe	28
PID 1092 wrote to memory of 1972	1092	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe	28
PID 1092 wrote to memory of 1972	1092	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe	28
PID 1092 wrote to memory of 1972	1092	1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe	28

C:\Users\Admin\AppData\Local\Temp\1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe
"C:\Users\Admin\AppData\Local\Temp\1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\1D23B2~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1972

C:\Windows\SysWOW64\kscan.exe
C:\Windows\SysWOW64\kscan.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\kscan.exe

Filesize
208KB

MD5
51add2274815848efd8fefebbd260d60

SHA1
4b6aaff82d339f6f5e12450b1966606b36fee18d

SHA256
1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140

SHA512
28786d404a5a6b0c7cb762411e9ca1fb8362cdffee9fd2c1eecd06f3d59f6606bfc7e59609fc457fb290adcca56c2874b1d33ae04770a101cecd15d5fb25a531

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

Filesize
208KB

MD5
51add2274815848efd8fefebbd260d60

SHA1
4b6aaff82d339f6f5e12450b1966606b36fee18d

SHA256
1d23b270c4e289939250fd6f9f57479e9a3ae67cce9dbb7667215c12c4d52140

SHA512
28786d404a5a6b0c7cb762411e9ca1fb8362cdffee9fd2c1eecd06f3d59f6606bfc7e59609fc457fb290adcca56c2874b1d33ae04770a101cecd15d5fb25a531

Download Submit
memory/1092-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download