gh0strat | 5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820

General

Target

5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe
Size

1.3MB
MD5

d41e0ce7e7c9b29d31fc78c648a372c1
SHA1

e32fc61e8a562bc04b0f561d1411f13dd3be6306
SHA256

5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820
SHA512

df81a2f1a3ab289b0a0b154b670c8c10cfbda36b223853f20999c51c9b234bd6a40bcd163c1f8155d1a36434e5a6d7a70b7200306d98e5c2d3cf074c7fd2a574
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN7:QHPkVOBTK

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3948-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/1096-10-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/3948-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/1096-10-0x0000000010000000-0x000000001019F000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	sainbox.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	sainbox.exe

Executes dropped EXE 2 IoCs

pid	Process
1096	sainbox.exe
2840	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	sainbox.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	sainbox.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1960	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2840	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3948	5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe
Token: SeLoadDriverPrivilege	2840	sainbox.exe
Token: 33	2840	sainbox.exe
Token: SeIncBasePriorityPrivilege	2840	sainbox.exe
Token: 33	2840	sainbox.exe
Token: SeIncBasePriorityPrivilege	2840	sainbox.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 3484	3948	5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe	87
PID 3948 wrote to memory of 3484	3948	5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe	87
PID 3948 wrote to memory of 3484	3948	5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe	87
PID 1096 wrote to memory of 2840	1096	sainbox.exe	88
PID 1096 wrote to memory of 2840	1096	sainbox.exe	88
PID 1096 wrote to memory of 2840	1096	sainbox.exe	88
PID 3484 wrote to memory of 1960	3484	cmd.exe	90
PID 3484 wrote to memory of 1960	3484	cmd.exe	90
PID 3484 wrote to memory of 1960	3484	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe
"C:\Users\Admin\AppData\Local\Temp\5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\580691~1.EXE > nul
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3484
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1960

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\sainbox.exe
  C:\Windows\SysWOW64\sainbox.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

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

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\sainbox.exe

Filesize
1.3MB

MD5
d41e0ce7e7c9b29d31fc78c648a372c1

SHA1
e32fc61e8a562bc04b0f561d1411f13dd3be6306

SHA256
5806915d5837d67d9dfa639ff1df19e4c410ed1093f7a2e6f116fddff6236820

SHA512
df81a2f1a3ab289b0a0b154b670c8c10cfbda36b223853f20999c51c9b234bd6a40bcd163c1f8155d1a36434e5a6d7a70b7200306d98e5c2d3cf074c7fd2a574

Download Submit
memory/1096-10-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/3948-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads