gh0strat | 8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d

General

Target

8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe
Size

2.6MB
MD5

4efd1e81044df622759527b3285cb15d
SHA1

6ccf9d6d8eb1351bfeff9f3e51535b6fe1ded5fa
SHA256

8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d
SHA512

3f6c0f421a3833dfdaef022eb64018b89fdafbc843ee631148485cd14eda8dd51e87cc3bfd7a4416852e4056069cd2431bb246a91d479e623cc9c883471807ad
SSDEEP

24576:VCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHI:VCwsbCANnKXferL7Vwe/Gg0P+WhuaOgv

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/3060-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3060-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3060-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3032-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3032-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016276-6.dat	family_gh0strat
behavioral1/memory/3060-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3060-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3060-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3032-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3032-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-41-0x0000000010000000-0x00000000101B6000-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

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
2096	R.exe
3060	N.exe
3032	TXPlatfor.exe
2700	TXPlatfor.exe

Loads dropped DLL 4 IoCs

pid	Process
2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe
2096	R.exe
2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe
3032	TXPlatfor.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259444935.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3060-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3060-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3060-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3032-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3032-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 6 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

description	ioc	Process
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	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.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

pid	Process
2808	cmd.exe
2772	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2772	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2700	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3060	N.exe
Token: SeLoadDriverPrivilege	2700	TXPlatfor.exe
Token: 33	2700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2700	TXPlatfor.exe
Token: 33	2700	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2700	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe
2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2096	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	31
PID 2296 wrote to memory of 2096	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	31
PID 2296 wrote to memory of 2096	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	31
PID 2296 wrote to memory of 2096	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	31
PID 2296 wrote to memory of 3060	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	32
PID 2296 wrote to memory of 3060	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	32
PID 2296 wrote to memory of 3060	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	32
PID 2296 wrote to memory of 3060	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	32
PID 2296 wrote to memory of 3060	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	32
PID 2296 wrote to memory of 3060	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	32
PID 2296 wrote to memory of 3060	2296	8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe	32
PID 3032 wrote to memory of 2700	3032	TXPlatfor.exe	34
PID 3032 wrote to memory of 2700	3032	TXPlatfor.exe	34
PID 3032 wrote to memory of 2700	3032	TXPlatfor.exe	34
PID 3032 wrote to memory of 2700	3032	TXPlatfor.exe	34
PID 3032 wrote to memory of 2700	3032	TXPlatfor.exe	34
PID 3032 wrote to memory of 2700	3032	TXPlatfor.exe	34
PID 3032 wrote to memory of 2700	3032	TXPlatfor.exe	34
PID 3060 wrote to memory of 2808	3060	N.exe	35
PID 3060 wrote to memory of 2808	3060	N.exe	35
PID 3060 wrote to memory of 2808	3060	N.exe	35
PID 3060 wrote to memory of 2808	3060	N.exe	35
PID 2808 wrote to memory of 2772	2808	cmd.exe	37
PID 2808 wrote to memory of 2772	2808	cmd.exe	37
PID 2808 wrote to memory of 2772	2808	cmd.exe	37
PID 2808 wrote to memory of 2772	2808	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe
"C:\Users\Admin\AppData\Local\Temp\8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296
- 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
  - System Location Discovery: System Language Discovery
  PID:2096
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3060
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - 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:2772

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- 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:2700

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 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
2.6MB

MD5
4efd1e81044df622759527b3285cb15d

SHA1
6ccf9d6d8eb1351bfeff9f3e51535b6fe1ded5fa

SHA256
8c1d5559595b8388315bc47ee8efc4aa54d2e68ce58b9055d5cf8e83ea5b499d

SHA512
3f6c0f421a3833dfdaef022eb64018b89fdafbc843ee631148485cd14eda8dd51e87cc3bfd7a4416852e4056069cd2431bb246a91d479e623cc9c883471807ad

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259444935.txt

Filesize
899KB

MD5
b038dbc82ef2b913977427973c5cfa0c

SHA1
fd0ea94e8e5482cc16a2b64af5e64b0bc3d6bb97

SHA256
97a61a9f0673bfa00070583b0df40888fee9aa1a315b2b2a6817ae3fd243c347

SHA512
40f3b5764bbfa0b99440f0e22077a1e990a0bf97ff891da51fd106793f17d8b0bfd7ca78dd63a8662df05b5fc7375ed898c58970f1c19c3f6358c4a1b7084fb5

Download Submit
memory/2700-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3032-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3032-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3060-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads