gh0strat | 8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339

General

Target

8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
Size

2.1MB
MD5

428fda590542b2af2cc92ea41863fade
SHA1

c31b6fea783dc603c363faf525b1bea03b9a9014
SHA256

8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339
SHA512

206e8d51fa72041a9752e2b817d099ef6a42f4b3334f7c286d56a87d2bf6bb8f399c9ad7b29ca8ca3fa1a00693fa0bef257a22bc559dae87e9a445b6013550b3
SSDEEP

24576:509tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+Mc6HiOrZQUL85r8rR7UW1+uD:509XJt4HIN2H2tFvduySUZg81oHuRTF

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2368-11-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2368-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2368-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1096-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/628-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1096-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1096-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/628-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/628-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1096-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/628-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/2368-11-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2368-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2368-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1096-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/628-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1096-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1096-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/628-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/628-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1096-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/628-36-0x0000000010000000-0x00000000101B6000-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

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

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

Executes dropped EXE 4 IoCs

pid	Process
2368	RVN.exe
1096	TXPlatforn.exe
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
628	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

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 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2368-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2368-11-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2368-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2368-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1096-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1096-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/628-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1096-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1096-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/628-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/628-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1096-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/628-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	TXPlatforn.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	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.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
1864	cmd.exe
680	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
680	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
628	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2368	RVN.exe
Token: SeLoadDriverPrivilege	628	TXPlatforn.exe
Token: 33	628	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	628	TXPlatforn.exe
Token: 33	628	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	628	TXPlatforn.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
2060	HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 2368	3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe	82
PID 3484 wrote to memory of 2368	3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe	82
PID 3484 wrote to memory of 2368	3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe	82
PID 2368 wrote to memory of 1864	2368	RVN.exe	84
PID 2368 wrote to memory of 1864	2368	RVN.exe	84
PID 2368 wrote to memory of 1864	2368	RVN.exe	84
PID 3484 wrote to memory of 2060	3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe	85
PID 3484 wrote to memory of 2060	3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe	85
PID 3484 wrote to memory of 2060	3484	8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe	85
PID 1096 wrote to memory of 628	1096	TXPlatforn.exe	86
PID 1096 wrote to memory of 628	1096	TXPlatforn.exe	86
PID 1096 wrote to memory of 628	1096	TXPlatforn.exe	86
PID 1864 wrote to memory of 680	1864	cmd.exe	88
PID 1864 wrote to memory of 680	1864	cmd.exe	88
PID 1864 wrote to memory of 680	1864	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
"C:\Users\Admin\AppData\Local\Temp\8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3484
- 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:2368
- - 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:1864
  - - 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:680
- C:\Users\Admin\AppData\Local\Temp\HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
  C:\Users\Admin\AppData\Local\Temp\HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2060

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1096
- 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:628

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 Information Discovery

1

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:\Users\Admin\AppData\Local\Temp\HD_8bd74161d0895349414f640791ebdd59f8e1b5919e706c819a44057b4b6f7339.exe

Filesize
1.0MB

MD5
bf5f77baf61d1d8410f9ac95ec15c51b

SHA1
a1e7947e9e02690043aab4d47f549ea6ff51ac67

SHA256
b89f7223b50294f65e008dbb676c283cb5d849ce709a9bfd6cf9b60672756539

SHA512
5f7417135f3221be2cfc92e6a121b0ef62214aa7031c1393408c233b0d2b0d6a8ab52924e8eed44212516811d7b3d46f17821d26acff32db5ab754aec9e8fa14

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.1MB

MD5
36fdd2b131e8b72d18fada672f3115e0

SHA1
e8b55153ed6fce9bf7447cc33626c1f3eb9a881f

SHA256
6f16508fae30c81b325386324e5a86389b744143fc335692802b51c93b793693

SHA512
e0db9872cd4644e8885e490b56c520e456378b07c005af2fa913d57e8bd2f576f004dedd5cafc60cb1382557a9583c7db581b4d848d82c4833753345f931d84c

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/628-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/628-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/628-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/628-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1096-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1096-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1096-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1096-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1096-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-11-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2368-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3484-0-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/3484-103-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads