gh0strat | 5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457

General

Target

5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe
Size

1.4MB
MD5

0729a729cad60281ab0298df22d5ecd8
SHA1

201acb8881bfee6ed5c10a1bdffbf239a3778233
SHA256

5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457
SHA512

e349a5531fae111e1a82492d75549476ef81b091814344e46061c647e99a179d9ce5eefdb97205921d65bd87e0b088153b7d9b0fc74aadc814e621011dd99e92
SSDEEP

24576:F39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:59qHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2820-18-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2092-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2820-18-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2092-0-0x0000000010000000-0x000000001019F000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

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

Deletes itself 1 IoCs

pid	Process
2724	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2848	Sbcja.exe
2820	Sbcja.exe

Loads dropped DLL 1 IoCs

pid	Process
2848	Sbcja.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	Sbcja.exe
File opened (read-only)	\??\H:	Sbcja.exe
File opened (read-only)	\??\I:	Sbcja.exe
File opened (read-only)	\??\P:	Sbcja.exe
File opened (read-only)	\??\T:	Sbcja.exe
File opened (read-only)	\??\W:	Sbcja.exe
File opened (read-only)	\??\X:	Sbcja.exe
File opened (read-only)	\??\N:	Sbcja.exe
File opened (read-only)	\??\O:	Sbcja.exe
File opened (read-only)	\??\S:	Sbcja.exe
File opened (read-only)	\??\L:	Sbcja.exe
File opened (read-only)	\??\R:	Sbcja.exe
File opened (read-only)	\??\Y:	Sbcja.exe
File opened (read-only)	\??\Z:	Sbcja.exe
File opened (read-only)	\??\B:	Sbcja.exe
File opened (read-only)	\??\E:	Sbcja.exe
File opened (read-only)	\??\J:	Sbcja.exe
File opened (read-only)	\??\K:	Sbcja.exe
File opened (read-only)	\??\M:	Sbcja.exe
File opened (read-only)	\??\Q:	Sbcja.exe
File opened (read-only)	\??\U:	Sbcja.exe
File opened (read-only)	\??\V:	Sbcja.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sbcja.exe	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe
File opened for modification	C:\Windows\SysWOW64\Sbcja.exe	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	Sbcja.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sbcja.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2724	cmd.exe
2828	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Sbcja.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Sbcja.exe

Modifies data under HKEY_USERS 12 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	Sbcja.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	Sbcja.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Sbcja.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Sbcja.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	Sbcja.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2828	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe
2820	Sbcja.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2820	Sbcja.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2092	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe
Token: SeLoadDriverPrivilege	2820	Sbcja.exe
Token: 33	2820	Sbcja.exe
Token: SeIncBasePriorityPrivilege	2820	Sbcja.exe
Token: 33	2820	Sbcja.exe
Token: SeIncBasePriorityPrivilege	2820	Sbcja.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2724	2092	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe	31
PID 2092 wrote to memory of 2724	2092	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe	31
PID 2092 wrote to memory of 2724	2092	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe	31
PID 2092 wrote to memory of 2724	2092	5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe	31
PID 2848 wrote to memory of 2820	2848	Sbcja.exe	33
PID 2848 wrote to memory of 2820	2848	Sbcja.exe	33
PID 2848 wrote to memory of 2820	2848	Sbcja.exe	33
PID 2848 wrote to memory of 2820	2848	Sbcja.exe	33
PID 2724 wrote to memory of 2828	2724	cmd.exe	34
PID 2724 wrote to memory of 2828	2724	cmd.exe	34
PID 2724 wrote to memory of 2828	2724	cmd.exe	34
PID 2724 wrote to memory of 2828	2724	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe
"C:\Users\Admin\AppData\Local\Temp\5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092
- 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\5F9885~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2828

C:\Windows\SysWOW64\Sbcja.exe
C:\Windows\SysWOW64\Sbcja.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\Sbcja.exe
  C:\Windows\SysWOW64\Sbcja.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2820

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

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Sbcja.exe

Filesize
1.4MB

MD5
0729a729cad60281ab0298df22d5ecd8

SHA1
201acb8881bfee6ed5c10a1bdffbf239a3778233

SHA256
5f9885d8ca8f14c9cb6a37074be635960369b25f39a2f00179ad5d2ac93a4457

SHA512
e349a5531fae111e1a82492d75549476ef81b091814344e46061c647e99a179d9ce5eefdb97205921d65bd87e0b088153b7d9b0fc74aadc814e621011dd99e92

Download Submit
memory/2092-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2820-18-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads