gh0strat | f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05

General

Target

f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
Size

4.5MB
MD5

31b3ed18e56d7817bfc096a9da99a15c
SHA1

0e559ae21a1c3908756e1307063a085d731dbe34
SHA256

f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05
SHA512

b4149afc2d82892dfa4986f11ec7591669f4e797c7e3c84b24bd86648914acb02e0197b7ec1fd24672a035fb9310b1540f139fdce28efc6d9e7d86458c6f2d53
SSDEEP

49152:009XJt4HIN2H2tFvduySBbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8R:ZZJt4HINy2LkBbXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2056-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2056-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2848-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2848-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2776-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2776-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2776-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2056-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2848-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2848-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2776-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2776-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2776-71-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

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

Processes:

TXPlatforn.exe

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

Executes dropped EXE 4 IoCs

Processes:

RVN.exeTXPlatforn.exeHD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exeTXPlatforn.exe

pid process

2056 RVN.exe
2848 TXPlatforn.exe
2736 HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
2776 TXPlatforn.exe

pid	process
2056	RVN.exe
2848	TXPlatforn.exe
2736	HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
2776	TXPlatforn.exe

Loads dropped DLL 3 IoCs

Processes:

f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exeTXPlatforn.exe

pid	process
2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
2848	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2056-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2056-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2056-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2056-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2848-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2848-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2776-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2776-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2776-71-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 4 IoCs

Processes:

f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.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

Processes:

PING.EXE

pid process

1136 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe

pid process

2040 f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2776 TXPlatforn.exe

pid	process
1136	PING.EXE

pid	process
2776	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2056	RVN.exe
Token: SeLoadDriverPrivilege	2776	TXPlatforn.exe
Token: 33	2776	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2776	TXPlatforn.exe
Token: 33	2776	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2776	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe

pid	process
2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 2040 wrote to memory of 2056	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	RVN.exe
PID 2040 wrote to memory of 2056	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	RVN.exe
PID 2040 wrote to memory of 2056	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	RVN.exe
PID 2040 wrote to memory of 2056	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	RVN.exe
PID 2040 wrote to memory of 2056	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	RVN.exe
PID 2040 wrote to memory of 2056	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	RVN.exe
PID 2040 wrote to memory of 2056	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	RVN.exe
PID 2056 wrote to memory of 3020	2056	RVN.exe	cmd.exe
PID 2056 wrote to memory of 3020	2056	RVN.exe	cmd.exe
PID 2056 wrote to memory of 3020	2056	RVN.exe	cmd.exe
PID 2056 wrote to memory of 3020	2056	RVN.exe	cmd.exe
PID 2040 wrote to memory of 2736	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
PID 2040 wrote to memory of 2736	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
PID 2040 wrote to memory of 2736	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
PID 2040 wrote to memory of 2736	2040	f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe	HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
PID 2848 wrote to memory of 2776	2848	TXPlatforn.exe	TXPlatforn.exe
PID 2848 wrote to memory of 2776	2848	TXPlatforn.exe	TXPlatforn.exe
PID 2848 wrote to memory of 2776	2848	TXPlatforn.exe	TXPlatforn.exe
PID 2848 wrote to memory of 2776	2848	TXPlatforn.exe	TXPlatforn.exe
PID 2848 wrote to memory of 2776	2848	TXPlatforn.exe	TXPlatforn.exe
PID 2848 wrote to memory of 2776	2848	TXPlatforn.exe	TXPlatforn.exe
PID 2848 wrote to memory of 2776	2848	TXPlatforn.exe	TXPlatforn.exe
PID 3020 wrote to memory of 1136	3020	cmd.exe	PING.EXE
PID 3020 wrote to memory of 1136	3020	cmd.exe	PING.EXE
PID 3020 wrote to memory of 1136	3020	cmd.exe	PING.EXE
PID 3020 wrote to memory of 1136	3020	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
"C:\Users\Admin\AppData\Local\Temp\f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2056
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:3020
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1136
- C:\Users\Admin\AppData\Local\Temp\HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe
  2⤵
  - Executes dropped EXE
  PID:2736

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2848
- 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:2776

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

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Downloads

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

Filesize
1.5MB

MD5
6aa04d667d8ac881db156aea22084284

SHA1
ca557f0108985f71fd924203cca298cc1dd238a0

SHA256
c458d18abf91008fa35aab57d4c491b762268a23469170c0a26b198b6fb03833

SHA512
21d826513ac7ab9db51e0b2a182db1e953a87f53ff45d09b660160f6ac1760ce774f2c6530213984c1eac39f77bbb7fc37dcaad04e5e7128170fddbe5c9ec3e3

Download Submit
\Users\Admin\AppData\Local\Temp\HD_f16540c65e139d96a3bc2cc64a9e0bafc738566cb8726cc9e507199feaaf5b05.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2056-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2056-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2056-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2056-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2776-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2776-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2776-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2848-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2848-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads