gh0strat | b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa

General

Target

b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe
Size

604KB
MD5

5c696968017bb43b672c276e99494a05
SHA1

312335b0728d0fdb67ea357b39616179edfaa72d
SHA256

b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa
SHA512

f5121c70b52d3a1fc199cb4965622352a49e1d57d7f25a19c759cd537f4d0512977d218baa60930395bd5bb338a76855e3db0b85cf2ceec689692e1854e590eb
SSDEEP

12288:mi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yZng87nI:mi2Tro2H2HESq2eWJ6MQjySjyN17I

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1256-13-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1256-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2060-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1256-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2060-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1256-13-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1256-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2060-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1256-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2060-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-35-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

description	ioc	process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatforn.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid process

1256 RVN.exe
2060 TXPlatforn.exe
2424 TXPlatforn.exe
Loads dropped DLL 2 IoCs

Processes:

b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exeTXPlatforn.exe

pid process

1708 b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe
2060 TXPlatforn.exe
Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe

pid	process
1256	RVN.exe
2060	TXPlatforn.exe
2424	TXPlatforn.exe

pid	process
1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe
2060	TXPlatforn.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1256-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1256-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1256-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1256-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

Processes:

b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exeRVN.exeTXPlatforn.execmd.exePING.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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

Processes:

cmd.exePING.EXE

pid process

2760 cmd.exe
2968 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2968 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2424 TXPlatforn.exe

pid	process
2760	cmd.exe
2968	PING.EXE

pid	process
2968	PING.EXE

pid	process
2424	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1256	RVN.exe
Token: SeLoadDriverPrivilege	2424	TXPlatforn.exe
Token: 33	2424	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2424	TXPlatforn.exe
Token: 33	2424	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2424	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe

pid process

1708 b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe

pid	process
1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1708 wrote to memory of 1256	1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe	RVN.exe
PID 1708 wrote to memory of 1256	1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe	RVN.exe
PID 1708 wrote to memory of 1256	1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe	RVN.exe
PID 1708 wrote to memory of 1256	1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe	RVN.exe
PID 1708 wrote to memory of 1256	1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe	RVN.exe
PID 1708 wrote to memory of 1256	1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe	RVN.exe
PID 1708 wrote to memory of 1256	1708	b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe	RVN.exe
PID 1256 wrote to memory of 2760	1256	RVN.exe	cmd.exe
PID 1256 wrote to memory of 2760	1256	RVN.exe	cmd.exe
PID 1256 wrote to memory of 2760	1256	RVN.exe	cmd.exe
PID 1256 wrote to memory of 2760	1256	RVN.exe	cmd.exe
PID 2060 wrote to memory of 2424	2060	TXPlatforn.exe	TXPlatforn.exe
PID 2060 wrote to memory of 2424	2060	TXPlatforn.exe	TXPlatforn.exe
PID 2060 wrote to memory of 2424	2060	TXPlatforn.exe	TXPlatforn.exe
PID 2060 wrote to memory of 2424	2060	TXPlatforn.exe	TXPlatforn.exe
PID 2060 wrote to memory of 2424	2060	TXPlatforn.exe	TXPlatforn.exe
PID 2060 wrote to memory of 2424	2060	TXPlatforn.exe	TXPlatforn.exe
PID 2060 wrote to memory of 2424	2060	TXPlatforn.exe	TXPlatforn.exe
PID 2760 wrote to memory of 2968	2760	cmd.exe	PING.EXE
PID 2760 wrote to memory of 2968	2760	cmd.exe	PING.EXE
PID 2760 wrote to memory of 2968	2760	cmd.exe	PING.EXE
PID 2760 wrote to memory of 2968	2760	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe
"C:\Users\Admin\AppData\Local\Temp\b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1256
- - 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\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2760
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2968

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2424

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:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
604KB

MD5
5c696968017bb43b672c276e99494a05

SHA1
312335b0728d0fdb67ea357b39616179edfaa72d

SHA256
b6e98dee22e9a8161fda85204e59aabbc59b9333c337544628fca69fcd0569aa

SHA512
f5121c70b52d3a1fc199cb4965622352a49e1d57d7f25a19c759cd537f4d0512977d218baa60930395bd5bb338a76855e3db0b85cf2ceec689692e1854e590eb

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1256-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1256-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1256-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1256-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads