gh0strat | 8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546

General

Target

8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe
Size

1.5MB
MD5

573a77dd00d2a292c02f9422154a4c10
SHA1

112019a66739c458e02d4d9d89d748073c0303f5
SHA256

8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546
SHA512

5cf2d8f5fb9f6ff21df4d546c3b0b4e16d67c05e5fdd7d2fa8bde841a2319f6cdff47182502ea1a3a2360fb816a0a40ad6d08195ef35b76efac09b058c4a7b7d
SSDEEP

24576:W89tv9/7JtDElDEExIecl1erdg0MCiVWhR/dK:W89XJt4HIZ/Gg0P+WhG

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2516-59-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-63-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2552-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2516-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2516-59-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-61-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-63-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2552-66-0x0000000010000000-0x00000000101B6000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan 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 3 IoCs

pid	Process
2828	QQ.exe
2516	TXPlatforn.exe
2552	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe
2516	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2828-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2516-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2516-59-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-63-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2552-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	QQ.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2480	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2552	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2828	QQ.exe
Token: SeLoadDriverPrivilege	2552	TXPlatforn.exe
Token: 33	2552	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2552	TXPlatforn.exe
Token: 33	2552	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2552	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe
2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2828	2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe	28
PID 2788 wrote to memory of 2828	2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe	28
PID 2788 wrote to memory of 2828	2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe	28
PID 2788 wrote to memory of 2828	2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe	28
PID 2788 wrote to memory of 2828	2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe	28
PID 2788 wrote to memory of 2828	2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe	28
PID 2788 wrote to memory of 2828	2788	8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe	28
PID 2828 wrote to memory of 2576	2828	QQ.exe	30
PID 2828 wrote to memory of 2576	2828	QQ.exe	30
PID 2828 wrote to memory of 2576	2828	QQ.exe	30
PID 2828 wrote to memory of 2576	2828	QQ.exe	30
PID 2516 wrote to memory of 2552	2516	TXPlatforn.exe	32
PID 2516 wrote to memory of 2552	2516	TXPlatforn.exe	32
PID 2516 wrote to memory of 2552	2516	TXPlatforn.exe	32
PID 2516 wrote to memory of 2552	2516	TXPlatforn.exe	32
PID 2516 wrote to memory of 2552	2516	TXPlatforn.exe	32
PID 2516 wrote to memory of 2552	2516	TXPlatforn.exe	32
PID 2516 wrote to memory of 2552	2516	TXPlatforn.exe	32
PID 2576 wrote to memory of 2480	2576	cmd.exe	33
PID 2576 wrote to memory of 2480	2576	cmd.exe	33
PID 2576 wrote to memory of 2480	2576	cmd.exe	33
PID 2576 wrote to memory of 2480	2576	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe
"C:\Users\Admin\AppData\Local\Temp\8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\QQ.exe
  C:\Users\Admin\AppData\Local\Temp\\QQ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2828
- - 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\QQ.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2576
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2480

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2516
- 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:2552

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.5MB

MD5
573a77dd00d2a292c02f9422154a4c10

SHA1
112019a66739c458e02d4d9d89d748073c0303f5

SHA256
8a73e4c439ae7545991a5e6018009c00aac45dd995833df94e98418ad86cb546

SHA512
5cf2d8f5fb9f6ff21df4d546c3b0b4e16d67c05e5fdd7d2fa8bde841a2319f6cdff47182502ea1a3a2360fb816a0a40ad6d08195ef35b76efac09b058c4a7b7d

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

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

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
3d6e7db5800f1dadb016cbf989749e3c

SHA1
7c09c438a352cbc4de5d7279bf07d36e8f6cbfef

SHA256
bb43f73ddd5d04adcd723061ccf3a535387fa439aba0039d39a72f5d6ae3062b

SHA512
a98392c694a662a243581bc07582bffa9f425c4bd9acf2a68c19fbe95ee64f95ed4ca3100802736f67eea809a95fbf4f5e357800d3fa21f9d57b1f8d07d1462c

Download Submit
memory/2516-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2516-59-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-63-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2552-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads