gh0strat | 3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc

General

Target

3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
Size

1.4MB
MD5

aa0a6368da03e88adc6808c98a0695c1
SHA1

7cfe5ccc381cfb8eea1a82f3533dfd018d170385
SHA256

3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc
SHA512

fbe3cae047039b7d5b84cedec8fc38c71ae411ced366d65f03703e7ab9e9d884136594e12cccb741acd18ac8e0d82008dfdd037c0cc76bda2bea0c656142e3d3
SSDEEP

24576:ri2Tro2H2HESq2eWJ6MQjySjykVOUcNHIkkxNdeLG8XhBtMU3KHvINRSIB7TFYvq:rxTc2H2tFvduyStVOCKGwhBtMUm/yTy

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2856-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2856-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2856-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1680-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1680-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1680-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1680-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2856-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2856-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2856-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1680-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1680-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1680-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1680-44-0x0000000010000000-0x00000000101B6000-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
2856	RVN.exe
1892	HD_3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
2288	TXPlatforn.exe
1680	TXPlatforn.exe

Loads dropped DLL 4 IoCs

pid	Process
1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
2288	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
behavioral1/memory/2856-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2856-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2856-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2856-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1680-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1680-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1680-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1680-44-0x0000000010000000-0x00000000101B6000-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	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	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.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
2584	PING.EXE
1676	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2584	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1680	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2856	RVN.exe
Token: SeLoadDriverPrivilege	1680	TXPlatforn.exe
Token: 33	1680	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1680	TXPlatforn.exe
Token: 33	1680	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1680	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2856	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	28
PID 1872 wrote to memory of 2856	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	28
PID 1872 wrote to memory of 2856	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	28
PID 1872 wrote to memory of 2856	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	28
PID 1872 wrote to memory of 2856	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	28
PID 1872 wrote to memory of 2856	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	28
PID 1872 wrote to memory of 2856	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	28
PID 1872 wrote to memory of 1892	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	29
PID 1872 wrote to memory of 1892	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	29
PID 1872 wrote to memory of 1892	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	29
PID 1872 wrote to memory of 1892	1872	3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe	29
PID 2856 wrote to memory of 1676	2856	RVN.exe	32
PID 2856 wrote to memory of 1676	2856	RVN.exe	32
PID 2856 wrote to memory of 1676	2856	RVN.exe	32
PID 2856 wrote to memory of 1676	2856	RVN.exe	32
PID 2288 wrote to memory of 1680	2288	TXPlatforn.exe	33
PID 2288 wrote to memory of 1680	2288	TXPlatforn.exe	33
PID 2288 wrote to memory of 1680	2288	TXPlatforn.exe	33
PID 2288 wrote to memory of 1680	2288	TXPlatforn.exe	33
PID 2288 wrote to memory of 1680	2288	TXPlatforn.exe	33
PID 2288 wrote to memory of 1680	2288	TXPlatforn.exe	33
PID 2288 wrote to memory of 1680	2288	TXPlatforn.exe	33
PID 1676 wrote to memory of 2584	1676	cmd.exe	35
PID 1676 wrote to memory of 2584	1676	cmd.exe	35
PID 1676 wrote to memory of 2584	1676	cmd.exe	35
PID 1676 wrote to memory of 2584	1676	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
"C:\Users\Admin\AppData\Local\Temp\3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1872
- 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:2856
- - 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:1676
  - - 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:2584
- C:\Users\Admin\AppData\Local\Temp\HD_3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe
  2⤵
  - Executes dropped EXE
  PID:1892

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:2288
- 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:1680

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_3fe14a72b7a018e94437c1f147b96bff995695ef0b9e61a53096d52a2cbcbddc.exe

Filesize
837KB

MD5
78d0e14b627e1f4d5ddcc54a581719d9

SHA1
584e38825bc891db9540958cf9dee7b416d44147

SHA256
502646b1daa695bf64905e675fa7a68e41164c4cd042ac830233e63aff5f9ade

SHA512
055eabb4d655f46a384ccbe70382f297d43713544b5968ec0b663a1ac7d20c0d90afcb355b3b4c51191bef2d9dffd2ac4a1fb75b33a37b29d9e47083171e844d

Download Submit
C:\Users\Admin\Desktop\SplitBlock.exe

Filesize
1.3MB

MD5
7686cbf031d7e13836c7066589959ec4

SHA1
1579e71c5c543a523c808e1cd6249de99f645dac

SHA256
94fe4bbe902a992c59bbeab01478c474f84945f49654847441e5d6b74cefcdbb

SHA512
80fbf0e277af602a15b92884d034e56b26b5b19cdabe58cb60fdcabfea74669bc2e63ecca755f87de7857206d5171068b0c65337bbf85340aea491de46dfa36b

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1680-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1680-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1680-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1680-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2288-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2856-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads