gh0strat | e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0

General

Target

e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe
Size

1.5MB
MD5

79dfccfb01f343bf29ac1b34d7ffca6a
SHA1

a80c5dfc5118f554fcb251b9d95d7a2216dab569
SHA256

e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0
SHA512

a9119954f3479c381cbca567ce17458fd4bb652afa92fd2163cc19737faf88fdef8be128705082172252dfc08f27e16f1a1ad5a2ffec0a66daf4c7e8d887b3ef
SSDEEP

24576:uYVLN+uGOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:RTT3HPkVOBTK

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/3060-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/3060-0-0x0000000010000000-0x000000001019F000-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
2108	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2804	sainbox.exe
2668	sainbox.exe

Loads dropped DLL 1 IoCs

pid	Process
2804	sainbox.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)	\??\B:	sainbox.exe
File opened (read-only)	\??\G:	sainbox.exe
File opened (read-only)	\??\I:	sainbox.exe
File opened (read-only)	\??\K:	sainbox.exe
File opened (read-only)	\??\O:	sainbox.exe
File opened (read-only)	\??\Q:	sainbox.exe
File opened (read-only)	\??\R:	sainbox.exe
File opened (read-only)	\??\V:	sainbox.exe
File opened (read-only)	\??\H:	sainbox.exe
File opened (read-only)	\??\N:	sainbox.exe
File opened (read-only)	\??\U:	sainbox.exe
File opened (read-only)	\??\E:	sainbox.exe
File opened (read-only)	\??\J:	sainbox.exe
File opened (read-only)	\??\M:	sainbox.exe
File opened (read-only)	\??\P:	sainbox.exe
File opened (read-only)	\??\Y:	sainbox.exe
File opened (read-only)	\??\Z:	sainbox.exe
File opened (read-only)	\??\L:	sainbox.exe
File opened (read-only)	\??\S:	sainbox.exe
File opened (read-only)	\??\T:	sainbox.exe
File opened (read-only)	\??\W:	sainbox.exe
File opened (read-only)	\??\X:	sainbox.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sainbox.exe	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe
File opened for modification	C:\Windows\SysWOW64\sainbox.exe	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.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
2576	PING.EXE
2108	cmd.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	sainbox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	sainbox.exe

Modifies data under HKEY_USERS 12 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2576	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe
2668	sainbox.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2668	sainbox.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3060	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe
Token: SeLoadDriverPrivilege	2668	sainbox.exe
Token: 33	2668	sainbox.exe
Token: SeIncBasePriorityPrivilege	2668	sainbox.exe
Token: 33	2668	sainbox.exe
Token: SeIncBasePriorityPrivilege	2668	sainbox.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2108	3060	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe	31
PID 3060 wrote to memory of 2108	3060	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe	31
PID 3060 wrote to memory of 2108	3060	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe	31
PID 3060 wrote to memory of 2108	3060	e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe	31
PID 2804 wrote to memory of 2668	2804	sainbox.exe	32
PID 2804 wrote to memory of 2668	2804	sainbox.exe	32
PID 2804 wrote to memory of 2668	2804	sainbox.exe	32
PID 2804 wrote to memory of 2668	2804	sainbox.exe	32
PID 2108 wrote to memory of 2576	2108	cmd.exe	34
PID 2108 wrote to memory of 2576	2108	cmd.exe	34
PID 2108 wrote to memory of 2576	2108	cmd.exe	34
PID 2108 wrote to memory of 2576	2108	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe
"C:\Users\Admin\AppData\Local\Temp\e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3060
- 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\E19187~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2108
- - 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:2576

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:2804
- 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
  - 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:2668

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\sainbox.exe

Filesize
1.5MB

MD5
79dfccfb01f343bf29ac1b34d7ffca6a

SHA1
a80c5dfc5118f554fcb251b9d95d7a2216dab569

SHA256
e191875312138b468454bcf4775484c078068eb9b79f43b0d2b9f35e615a60b0

SHA512
a9119954f3479c381cbca567ce17458fd4bb652afa92fd2163cc19737faf88fdef8be128705082172252dfc08f27e16f1a1ad5a2ffec0a66daf4c7e8d887b3ef

Download Submit
memory/3060-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads