gh0strat | 8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d

General

Target

8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe
Size

1.1MB
MD5

7b144feaf7cccba56d4c97877c3019dc
SHA1

3d175a4e108c49c7f54d9f50879038e2e7f1cf15
SHA256

8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d
SHA512

9024518aa757759632beea4039320b7763c7c2dc37e024bdc7ffd20a9df8e0280fe73f92b28018455f8964ca5e676d15fd65605566519a01761ee9b935d5f920
SSDEEP

24576:H09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+GnE:H09XJt4HIN2H2tFvduySEnE

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2364-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2364-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2364-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2996-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-65-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2996-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2164-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2364-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2364-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2364-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2996-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-65-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2996-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2164-66-0x0000000010000000-0x00000000101B6000-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
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

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
2364	RVN.exe
2996	TXPlatforn.exe
2164	TXPlatforn.exe

Loads dropped DLL 2 IoCs

Processes:

8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exeTXPlatforn.exe

pid	Process
1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe
2996	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 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2364-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2364-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2364-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2364-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-65-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2164-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

Processes:

8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.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:

TXPlatforn.execmd.exePING.EXE8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exeRVN.exe

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	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.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

Processes:

PING.EXEcmd.exe

pid	Process
2612	PING.EXE
2488	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2612	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
2164	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2364	RVN.exe
Token: SeLoadDriverPrivilege	2164	TXPlatforn.exe
Token: 33	2164	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2164	TXPlatforn.exe
Token: 33	2164	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2164	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe

pid	Process
1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe
1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exeRVN.exeTXPlatforn.execmd.exe

description	pid	Process	procid_target
PID 1352 wrote to memory of 2364	1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe	30
PID 1352 wrote to memory of 2364	1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe	30
PID 1352 wrote to memory of 2364	1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe	30
PID 1352 wrote to memory of 2364	1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe	30
PID 1352 wrote to memory of 2364	1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe	30
PID 1352 wrote to memory of 2364	1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe	30
PID 1352 wrote to memory of 2364	1352	8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe	30
PID 2364 wrote to memory of 2488	2364	RVN.exe	32
PID 2364 wrote to memory of 2488	2364	RVN.exe	32
PID 2364 wrote to memory of 2488	2364	RVN.exe	32
PID 2364 wrote to memory of 2488	2364	RVN.exe	32
PID 2996 wrote to memory of 2164	2996	TXPlatforn.exe	33
PID 2996 wrote to memory of 2164	2996	TXPlatforn.exe	33
PID 2996 wrote to memory of 2164	2996	TXPlatforn.exe	33
PID 2996 wrote to memory of 2164	2996	TXPlatforn.exe	33
PID 2996 wrote to memory of 2164	2996	TXPlatforn.exe	33
PID 2996 wrote to memory of 2164	2996	TXPlatforn.exe	33
PID 2996 wrote to memory of 2164	2996	TXPlatforn.exe	33
PID 2488 wrote to memory of 2612	2488	cmd.exe	35
PID 2488 wrote to memory of 2612	2488	cmd.exe	35
PID 2488 wrote to memory of 2612	2488	cmd.exe	35
PID 2488 wrote to memory of 2612	2488	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.exe
"C:\Users\Admin\AppData\Local\Temp\8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d.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:1352
- 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:2364
- - 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:2488
  - - 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:2612

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:2996
- 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:2164

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

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Downloads

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

Filesize
1.1MB

MD5
7b144feaf7cccba56d4c97877c3019dc

SHA1
3d175a4e108c49c7f54d9f50879038e2e7f1cf15

SHA256
8ae9e885e7efa50eb579b73fc851a52bc1078af3ad9f75a4739a698451ff9a6d

SHA512
9024518aa757759632beea4039320b7763c7c2dc37e024bdc7ffd20a9df8e0280fe73f92b28018455f8964ca5e676d15fd65605566519a01761ee9b935d5f920

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

Filesize
71KB

MD5
fb44f7af2882d222b600539171f54c1d

SHA1
0c5a1a0b1620a55a0f194464227be25a2f0347e1

SHA256
f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

SHA512
21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2164-65-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2164-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2364-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2364-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2364-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2364-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads