gh0strat | ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 12:42

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General

Target

ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
Size

3.2MB
MD5

d9821314014be34c8284d967f50de4b7
SHA1

061ce5125dfb5436fea0284f90831d2cdbf11465
SHA256

ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c
SHA512

e8fd2926472ca18ad747e0a5ba4eff466b32f2348b2591f9efcc32938db77e7d27f0b5f41a3eba66c691cefa873cd46be2c3f6df1c060612e457f321cb868318
SSDEEP

49152:7xTc2H2tFvduySD8U/xCznt1WSzUQDB9uTHISXE3Tvii7:hcy2LkD8U/MnF9ucSXE

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/3004-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2724-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2844-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2844-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/3004-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2724-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2844-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2844-42-0x0000000010000000-0x00000000101B6000-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
3004	RVN.exe
2544	HD_ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
2724	TXPlatforn.exe
2844	TXPlatforn.exe

Loads dropped DLL 3 IoCs

pid	Process
1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
2724	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/3004-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2724-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2844-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2844-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	RVN.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	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.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
2772	cmd.exe
2636	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2636	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2844	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3004	RVN.exe
Token: SeLoadDriverPrivilege	2844	TXPlatforn.exe
Token: 33	2844	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2844	TXPlatforn.exe
Token: 33	2844	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2844	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 3004	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	30
PID 1916 wrote to memory of 3004	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	30
PID 1916 wrote to memory of 3004	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	30
PID 1916 wrote to memory of 3004	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	30
PID 1916 wrote to memory of 3004	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	30
PID 1916 wrote to memory of 3004	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	30
PID 1916 wrote to memory of 3004	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	30
PID 1916 wrote to memory of 2544	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	31
PID 1916 wrote to memory of 2544	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	31
PID 1916 wrote to memory of 2544	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	31
PID 1916 wrote to memory of 2544	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	31
PID 1916 wrote to memory of 2544	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	31
PID 1916 wrote to memory of 2544	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	31
PID 1916 wrote to memory of 2544	1916	ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe	31
PID 3004 wrote to memory of 2772	3004	RVN.exe	34
PID 3004 wrote to memory of 2772	3004	RVN.exe	34
PID 3004 wrote to memory of 2772	3004	RVN.exe	34
PID 3004 wrote to memory of 2772	3004	RVN.exe	34
PID 2724 wrote to memory of 2844	2724	TXPlatforn.exe	33
PID 2724 wrote to memory of 2844	2724	TXPlatforn.exe	33
PID 2724 wrote to memory of 2844	2724	TXPlatforn.exe	33
PID 2724 wrote to memory of 2844	2724	TXPlatforn.exe	33
PID 2724 wrote to memory of 2844	2724	TXPlatforn.exe	33
PID 2724 wrote to memory of 2844	2724	TXPlatforn.exe	33
PID 2724 wrote to memory of 2844	2724	TXPlatforn.exe	33
PID 2772 wrote to memory of 2636	2772	cmd.exe	36
PID 2772 wrote to memory of 2636	2772	cmd.exe	36
PID 2772 wrote to memory of 2636	2772	cmd.exe	36
PID 2772 wrote to memory of 2636	2772	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
"C:\Users\Admin\AppData\Local\Temp\ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- 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:3004
- - 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:2772
  - - 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:2636
- C:\Users\Admin\AppData\Local\Temp\HD_ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2544

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:2724
- 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:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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
576KB

MD5
a687daea0bf11b27af3186c99c388257

SHA1
db4648ebb8ca2d380acb5e63eaba1f10c51a9313

SHA256
447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9

SHA512
725782be6659673870f08355066848041f2e2c642c99102f4e2c66302e9eb9508a314e947064ccca69ce51851bb83594b9fda67f5fef05d36cf89edf2559ccb9

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ffc2671301c82021838dd2f71b060143411517930cc0346d5184723bbcd67e2c.exe

Filesize
2.6MB

MD5
dea9ef211c5d88cc61179eff16693fcc

SHA1
9859af11a34b51301e406d463105fc007b0fa822

SHA256
4ff6c4dfc89f360b7980d1df3d1115b94c756815b3d773325bd449a2bf286deb

SHA512
f1e2e0ac24a63253c1b0aa2f18bea955f7a23be201c61ef77482748544fc3627f36ad4461e0ea51e0eeb6fef6880c78419214dbafeaea38fe3c029695f2ea9af

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2544-43-0x0000000000400000-0x00000000006A8000-memory.dmp

Filesize
2.7MB

Download
memory/2544-20-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2724-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2724-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download