gh0strat | 697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830

General

Target

697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe
Size

1.3MB
MD5

249cac435cdc0e5fe489ab0bcbd8d65f
SHA1

aa27f612870a299beb0d967f7ad2c7b6e538556f
SHA256

697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830
SHA512

8cf37214eea44ee7d97ecaa1ee109c994cd006accafb4369b207095b9143d64d660d10c157681bf88e8be9cee74d56ca50ed419fe9fe4b0d28eab7c2159dc2f6
SSDEEP

24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN2:QHPkVOBTK

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2156-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2156-0-0x0000000010000000-0x000000001019F000-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	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

Deletes itself 1 IoCs

pid	Process
1848	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
816	sainbox.exe
2440	sainbox.exe

Loads dropped DLL 1 IoCs

pid	Process
816	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.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	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sainbox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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
1848	cmd.exe
1532	PING.EXE

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	sainbox.exe
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
1532	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2440	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2156	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe
Token: SeLoadDriverPrivilege	2440	sainbox.exe
Token: 33	2440	sainbox.exe
Token: SeIncBasePriorityPrivilege	2440	sainbox.exe
Token: 33	2440	sainbox.exe
Token: SeIncBasePriorityPrivilege	2440	sainbox.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1848	2156	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe	31
PID 2156 wrote to memory of 1848	2156	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe	31
PID 2156 wrote to memory of 1848	2156	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe	31
PID 2156 wrote to memory of 1848	2156	697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe	31
PID 816 wrote to memory of 2440	816	sainbox.exe	33
PID 816 wrote to memory of 2440	816	sainbox.exe	33
PID 816 wrote to memory of 2440	816	sainbox.exe	33
PID 816 wrote to memory of 2440	816	sainbox.exe	33
PID 1848 wrote to memory of 1532	1848	cmd.exe	34
PID 1848 wrote to memory of 1532	1848	cmd.exe	34
PID 1848 wrote to memory of 1532	1848	cmd.exe	34
PID 1848 wrote to memory of 1532	1848	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe
"C:\Users\Admin\AppData\Local\Temp\697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- 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\697F6F~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1848
- - 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:1532

C:\Windows\SysWOW64\sainbox.exe
C:\Windows\SysWOW64\sainbox.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:816
- 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
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2440

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

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\sainbox.exe

Filesize
1.3MB

MD5
249cac435cdc0e5fe489ab0bcbd8d65f

SHA1
aa27f612870a299beb0d967f7ad2c7b6e538556f

SHA256
697f6f3349d738c120d6ff9c9f21cdabff40c2c42e14935a7d769d4953d9b830

SHA512
8cf37214eea44ee7d97ecaa1ee109c994cd006accafb4369b207095b9143d64d660d10c157681bf88e8be9cee74d56ca50ed419fe9fe4b0d28eab7c2159dc2f6

Download Submit
memory/2156-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads