gh0strat | abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a

General

Target

abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe
Size

2.6MB
MD5

46d9b7a56f6f536751977a9001654ebb
SHA1

1db676ddc5b568ff86064c5995f7a460f885fcf8
SHA256

abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a
SHA512

7616e6703c9d43b50b3889059b0b1e43bf24a650ac720a1f37768fb4ae98836b3d7d7551c770c8a527dd4da1b739cda475b59e05268bb47f0468889884d57755
SSDEEP

24576:iCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHZ:iCwsbCANnKXferL7Vwe/Gg0P+WhrO

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
behavioral2/memory/4932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4932-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4932-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2736-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2736-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3024-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3024-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3024-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240593875.txt	family_gh0strat
behavioral2/memory/4932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4932-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4932-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2736-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2736-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3024-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3024-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3024-41-0x0000000010000000-0x00000000101B6000-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:

TXPlatfor.exe

description ioc process

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

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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240593875.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

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

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

5092 R.exe
4932 N.exe
2736 TXPlatfor.exe
3024 TXPlatfor.exe
4868 Remote Data.exe
Loads dropped DLL 3 IoCs

Processes:

R.exesvchost.exeRemote Data.exe

pid process

5092 R.exe
4796 svchost.exe
4868 Remote Data.exe

pid	process
5092	R.exe
4932	N.exe
2736	TXPlatfor.exe
3024	TXPlatfor.exe
4868	Remote Data.exe

pid	process
5092	R.exe
4796	svchost.exe
4868	Remote Data.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4932-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4932-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4932-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2736-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2736-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2736-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3024-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3024-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3024-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240593875.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3912 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

3024 TXPlatfor.exe

pid	process
3912	PING.EXE

pid	process
3024	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4932	N.exe
Token: SeLoadDriverPrivilege	3024	TXPlatfor.exe
Token: 33	3024	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3024	TXPlatfor.exe
Token: 33	3024	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3024	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe

pid	process
1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe
1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1348 wrote to memory of 5092	1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe	R.exe
PID 1348 wrote to memory of 5092	1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe	R.exe
PID 1348 wrote to memory of 5092	1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe	R.exe
PID 1348 wrote to memory of 4932	1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe	N.exe
PID 1348 wrote to memory of 4932	1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe	N.exe
PID 1348 wrote to memory of 4932	1348	abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe	N.exe
PID 4932 wrote to memory of 3304	4932	N.exe	cmd.exe
PID 4932 wrote to memory of 3304	4932	N.exe	cmd.exe
PID 4932 wrote to memory of 3304	4932	N.exe	cmd.exe
PID 2736 wrote to memory of 3024	2736	TXPlatfor.exe	TXPlatfor.exe
PID 2736 wrote to memory of 3024	2736	TXPlatfor.exe	TXPlatfor.exe
PID 2736 wrote to memory of 3024	2736	TXPlatfor.exe	TXPlatfor.exe
PID 3304 wrote to memory of 3912	3304	cmd.exe	PING.EXE
PID 3304 wrote to memory of 3912	3304	cmd.exe	PING.EXE
PID 3304 wrote to memory of 3912	3304	cmd.exe	PING.EXE
PID 4796 wrote to memory of 4868	4796	svchost.exe	Remote Data.exe
PID 4796 wrote to memory of 4868	4796	svchost.exe	Remote Data.exe
PID 4796 wrote to memory of 4868	4796	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe
"C:\Users\Admin\AppData\Local\Temp\abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:5092
- 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:4932
- - 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:3304
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3912

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2132

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240593875.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4868

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2736
- 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:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
2.6MB

MD5
46d9b7a56f6f536751977a9001654ebb

SHA1
1db676ddc5b568ff86064c5995f7a460f885fcf8

SHA256
abad775a2f1dbff5f731e5137eb1633eacaf66f39b1be95a627fca46502cf77a

SHA512
7616e6703c9d43b50b3889059b0b1e43bf24a650ac720a1f37768fb4ae98836b3d7d7551c770c8a527dd4da1b739cda475b59e05268bb47f0468889884d57755

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\240593875.txt

Filesize
899KB

MD5
893b1823b3541974af2f4d3bec926a99

SHA1
88813817605bfa0b15ace625d09b24de515bc127

SHA256
026091bcce2f127f9473994c7ed0acfbeeb82d69b7191e7104d943da7d458189

SHA512
f2f88a5b2d7dc55177a8c9506f49c076457ca27d043f220cd42f905969c7d7ef896c44de723d90e5a1b7b4653e75f705349ae294b952517c7678089fdfa54e7c

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2736-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3024-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3024-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3024-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4932-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4932-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4932-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4932-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads