gh0strat | b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e

General

Target

b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.exe
Size

568KB
MD5

e8a8102c2e95fb8112397e77869dd7d0
SHA1

b9b563cc226445f93f1bad56242d8c7d33d1922e
SHA256

b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e
SHA512

884eb55abee568db6d3bcb2ef473ff941f3a8db18c76c6163cd9fd710a777290724a2072b62bdacc5b3a59ad8db74a6a95980e35ebf1c581e824f14517d5154d
SSDEEP

12288:vi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8ywEP1J:vi2Tro2H2HESq2eWJ6MQjySjy3J

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4628-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4628-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2168-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2168-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3864-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3864-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3864-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/4628-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4628-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2168-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2168-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3864-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3864-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3864-31-0x0000000010000000-0x00000000101B6000-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 3 IoCs

pid	Process
4628	RVN.exe
2168	TXPlatforn.exe
3864	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 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4628-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4628-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4628-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2168-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2168-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2168-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3864-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3864-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3864-31-0x0000000010000000-0x00000000101B6000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.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

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
1336	cmd.exe
1168	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1168	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3864	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4628	RVN.exe
Token: SeLoadDriverPrivilege	3864	TXPlatforn.exe
Token: 33	3864	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3864	TXPlatforn.exe
Token: 33	3864	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3864	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4596	b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4628	4596	b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.exe	82
PID 4596 wrote to memory of 4628	4596	b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.exe	82
PID 4596 wrote to memory of 4628	4596	b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.exe	82
PID 4628 wrote to memory of 1336	4628	RVN.exe	84
PID 4628 wrote to memory of 1336	4628	RVN.exe	84
PID 4628 wrote to memory of 1336	4628	RVN.exe	84
PID 2168 wrote to memory of 3864	2168	TXPlatforn.exe	86
PID 2168 wrote to memory of 3864	2168	TXPlatforn.exe	86
PID 2168 wrote to memory of 3864	2168	TXPlatforn.exe	86
PID 1336 wrote to memory of 1168	1336	cmd.exe	87
PID 1336 wrote to memory of 1168	1336	cmd.exe	87
PID 1336 wrote to memory of 1168	1336	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.exe
"C:\Users\Admin\AppData\Local\Temp\b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4596
- 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:4628
- - 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:1336
  - - 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:1168

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:2168
- 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:3864

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
568KB

MD5
e8a8102c2e95fb8112397e77869dd7d0

SHA1
b9b563cc226445f93f1bad56242d8c7d33d1922e

SHA256
b6f294a7db1d905b2119ddea993a3aac3f5603253d07c281cbad98a6463ee51e

SHA512
884eb55abee568db6d3bcb2ef473ff941f3a8db18c76c6163cd9fd710a777290724a2072b62bdacc5b3a59ad8db74a6a95980e35ebf1c581e824f14517d5154d

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2168-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2168-24-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/2168-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2168-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2168-18-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/3864-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3864-25-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/3864-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3864-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3864-32-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/4628-11-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/4628-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4628-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4628-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads