gh0strat | 41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0

General

Target

41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe
Size

1.4MB
MD5

b7416757379d1dec31769ae3e3ba03e0
SHA1

0d3a49c3af8b4b0989fce1ab0b9c73ca8877ed8a
SHA256

41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0
SHA512

d338766d8fdf6122cdbe8ea28b571215748845aace9b06ebc3cee44a1133a7b54c0b72009e560766d9e4038c923af1172e9a9a9bcf87bc22a47a9089d5deb7cf
SSDEEP

24576:k09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+f:k09XJt4HIN2H2tFvduySR

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2508-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2508-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2508-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2324-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2324-60-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1404-61-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1404-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1404-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2508-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2508-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2508-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2324-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1404-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2324-60-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1404-61-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1404-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1404-66-0x0000000010000000-0x00000000101B6000-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
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

Processes:

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 3 IoCs

Processes:

RVN.exeTXPlatforn.exeTXPlatforn.exe

pid	Process
2508	RVN.exe
2324	TXPlatforn.exe
1404	TXPlatforn.exe

Loads dropped DLL 2 IoCs

Processes:

41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exeTXPlatforn.exe

pid	Process
2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe
2324	TXPlatforn.exe

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

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2508-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2324-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1404-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2324-60-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1404-61-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1404-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1404-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

Processes:

41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe

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

System Information Discovery
T1082

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

Processes:

41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exeRVN.exeTXPlatforn.execmd.exePING.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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

Processes:

cmd.exePING.EXE

pid	Process
2484	cmd.exe
2428	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2428	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
1404	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2508	RVN.exe
Token: SeLoadDriverPrivilege	1404	TXPlatforn.exe
Token: 33	1404	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1404	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe

pid	Process
2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe
2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exeRVN.exeTXPlatforn.execmd.exe

description	pid	Process	procid_target
PID 2132 wrote to memory of 2508	2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe	30
PID 2132 wrote to memory of 2508	2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe	30
PID 2132 wrote to memory of 2508	2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe	30
PID 2132 wrote to memory of 2508	2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe	30
PID 2132 wrote to memory of 2508	2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe	30
PID 2132 wrote to memory of 2508	2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe	30
PID 2132 wrote to memory of 2508	2132	41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe	30
PID 2508 wrote to memory of 2484	2508	RVN.exe	32
PID 2508 wrote to memory of 2484	2508	RVN.exe	32
PID 2508 wrote to memory of 2484	2508	RVN.exe	32
PID 2508 wrote to memory of 2484	2508	RVN.exe	32
PID 2324 wrote to memory of 1404	2324	TXPlatforn.exe	33
PID 2324 wrote to memory of 1404	2324	TXPlatforn.exe	33
PID 2324 wrote to memory of 1404	2324	TXPlatforn.exe	33
PID 2324 wrote to memory of 1404	2324	TXPlatforn.exe	33
PID 2324 wrote to memory of 1404	2324	TXPlatforn.exe	33
PID 2324 wrote to memory of 1404	2324	TXPlatforn.exe	33
PID 2324 wrote to memory of 1404	2324	TXPlatforn.exe	33
PID 2484 wrote to memory of 2428	2484	cmd.exe	35
PID 2484 wrote to memory of 2428	2484	cmd.exe	35
PID 2484 wrote to memory of 2428	2484	cmd.exe	35
PID 2484 wrote to memory of 2428	2484	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe
"C:\Users\Admin\AppData\Local\Temp\41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2132
- 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:2508
- - 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:2484
  - - 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:2428

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:2324
- 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:1404

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

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

Replay Monitor

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Downloads

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

Filesize
1.4MB

MD5
b7416757379d1dec31769ae3e3ba03e0

SHA1
0d3a49c3af8b4b0989fce1ab0b9c73ca8877ed8a

SHA256
41c47386ac809e9ffc40b5cf5af5ad1209b04477f4a46dd68430bc0f17e5efb0

SHA512
d338766d8fdf6122cdbe8ea28b571215748845aace9b06ebc3cee44a1133a7b54c0b72009e560766d9e4038c923af1172e9a9a9bcf87bc22a47a9089d5deb7cf

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico

Filesize
71KB

MD5
fb44f7af2882d222b600539171f54c1d

SHA1
0c5a1a0b1620a55a0f194464227be25a2f0347e1

SHA256
f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

SHA512
21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

Download Submit
memory/1404-61-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1404-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1404-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1404-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2324-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2324-60-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads