gh0strat | 781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea

General

Target

781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe
Size

2.3MB
MD5

f7e023a3f0cf6ae04bcf11a972707fad
SHA1

03592b1e588945bff959ab92786374d320f39059
SHA256

781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea
SHA512

4fcc4865056e479571dd5dc3012acd896a7e292a21c0cbbd27ccae75ac5d2541f875cc7245ac0ebe7ae9063e1b66125c0e3b127a44d7a5ad5d2c2bd122d3585a
SSDEEP

24576:ZCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH3:ZCwsbCANnKXferL7Vwe/Gg0P+WhXQ

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4004-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4004-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4004-14-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3940-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3940-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3940-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3940-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4728-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023437-5.dat	family_gh0strat
behavioral2/memory/4004-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4004-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4004-14-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3940-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3940-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3940-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3940-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4728-49-0x0000000010000000-0x00000000101B6000-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

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.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"	TXPlatfor.exe

Executes dropped EXE 4 IoCs

pid	Process
3516	R.exe
4004	N.exe
3940	TXPlatfor.exe
4728	TXPlatfor.exe

Loads dropped DLL 1 IoCs

pid	Process
3516	R.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4004-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4004-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4004-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4004-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3940-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4728-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240602640.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
556	3516	WerFault.exe	83
4668	3516	WerFault.exe	83

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4992	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4728	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4004	N.exe
Token: SeLoadDriverPrivilege	4728	TXPlatfor.exe
Token: 33	4728	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4728	TXPlatfor.exe
Token: 33	4728	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4728	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe
1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3516	1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe	83
PID 1488 wrote to memory of 3516	1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe	83
PID 1488 wrote to memory of 3516	1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe	83
PID 1488 wrote to memory of 4004	1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe	93
PID 1488 wrote to memory of 4004	1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe	93
PID 1488 wrote to memory of 4004	1488	781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe	93
PID 4004 wrote to memory of 4632	4004	N.exe	95
PID 4004 wrote to memory of 4632	4004	N.exe	95
PID 4004 wrote to memory of 4632	4004	N.exe	95
PID 3940 wrote to memory of 4728	3940	TXPlatfor.exe	96
PID 3940 wrote to memory of 4728	3940	TXPlatfor.exe	96
PID 3940 wrote to memory of 4728	3940	TXPlatfor.exe	96
PID 4632 wrote to memory of 4992	4632	cmd.exe	99
PID 4632 wrote to memory of 4992	4632	cmd.exe	99
PID 4632 wrote to memory of 4992	4632	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe
"C:\Users\Admin\AppData\Local\Temp\781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:3516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 452
    3⤵
    - Program crash
    PID:556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 472
    3⤵
    - Program crash
    PID:4668
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4004
- - 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\N.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4632
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3516 -ip 3516
1⤵
PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3516 -ip 3516
1⤵
PID:1736

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:4728

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
2.3MB

MD5
f7e023a3f0cf6ae04bcf11a972707fad

SHA1
03592b1e588945bff959ab92786374d320f39059

SHA256
781c6d1068257e483a8fd115ed79b25aef65882b041b622c98a8283a05c09fea

SHA512
4fcc4865056e479571dd5dc3012acd896a7e292a21c0cbbd27ccae75ac5d2541f875cc7245ac0ebe7ae9063e1b66125c0e3b127a44d7a5ad5d2c2bd122d3585a

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240602640.txt

Filesize
899KB

MD5
a97cbae3b7496d525524e077ef44357a

SHA1
928e0089a98932e7eac3d13edda76cb03bec1644

SHA256
7a6794a97550fb430a515e681b2c7f4eca85b12f7703131c8a4b0be0bf20ae0c

SHA512
a906b0d18f04da37714e1e74fdbbe0b021e615ffd15baee2a5b53f024de135be4ac587e0eb222d5607c45297eabe8f4c31db1e31ee8481c7073ed1770756b321

Download Submit
memory/3940-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3940-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3940-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3940-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3940-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4004-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4004-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4004-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4004-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4728-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads