gh0strat | 7115c74007526c4732a7a809be4ef18505a75f0443f50009ce3ca252374b568e

General

Target

b518b9ebcf13d88f2e0e17303a948ca0N.exe
Size

2.5MB
MD5

b518b9ebcf13d88f2e0e17303a948ca0
SHA1

67f5ee38ab00304fb4a682720b28fb35d3514b59
SHA256

7115c74007526c4732a7a809be4ef18505a75f0443f50009ce3ca252374b568e
SHA512

a99a6e6df3b652b2e867cbf32d4cad9ad2293a86e714c41487abaf3afc5bf0730580aca990084947c6089d52d6edf5064cf6d70ee54fa79fb268e214ffe91f42
SSDEEP

49152:7CwsbCANnKXferL7Vwe/Gg0P+WhIjzlEs:ews2ANnKXOaeOgmhInlEs

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2132-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2132-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2132-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2064-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2064-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x0007000000018716-6.dat	family_gh0strat
behavioral1/memory/2132-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2132-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2132-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2064-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2064-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2736-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2736-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2736-43-0x0000000010000000-0x00000000101B6000-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
2560	R.exe
2132	N.exe
2064	TXPlatfor.exe
2736	TXPlatfor.exe

Loads dropped DLL 4 IoCs

pid	Process
2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe
2560	R.exe
2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe
2064	TXPlatfor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2132-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2132-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2132-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2132-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2064-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2064-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2736-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2736-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2736-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259435403.txt	R.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b518b9ebcf13d88f2e0e17303a948ca0N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2428	cmd.exe
2848	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2848	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2736	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2132	N.exe
Token: SeLoadDriverPrivilege	2736	TXPlatfor.exe
Token: 33	2736	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2736	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe
2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2560	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	30
PID 2524 wrote to memory of 2560	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	30
PID 2524 wrote to memory of 2560	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	30
PID 2524 wrote to memory of 2560	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	30
PID 2524 wrote to memory of 2132	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	31
PID 2524 wrote to memory of 2132	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	31
PID 2524 wrote to memory of 2132	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	31
PID 2524 wrote to memory of 2132	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	31
PID 2524 wrote to memory of 2132	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	31
PID 2524 wrote to memory of 2132	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	31
PID 2524 wrote to memory of 2132	2524	b518b9ebcf13d88f2e0e17303a948ca0N.exe	31
PID 2064 wrote to memory of 2736	2064	TXPlatfor.exe	33
PID 2132 wrote to memory of 2428	2132	N.exe	34
PID 2064 wrote to memory of 2736	2064	TXPlatfor.exe	33
PID 2064 wrote to memory of 2736	2064	TXPlatfor.exe	33
PID 2132 wrote to memory of 2428	2132	N.exe	34
PID 2132 wrote to memory of 2428	2132	N.exe	34
PID 2132 wrote to memory of 2428	2132	N.exe	34
PID 2064 wrote to memory of 2736	2064	TXPlatfor.exe	33
PID 2064 wrote to memory of 2736	2064	TXPlatfor.exe	33
PID 2064 wrote to memory of 2736	2064	TXPlatfor.exe	33
PID 2064 wrote to memory of 2736	2064	TXPlatfor.exe	33
PID 2428 wrote to memory of 2848	2428	cmd.exe	36
PID 2428 wrote to memory of 2848	2428	cmd.exe	36
PID 2428 wrote to memory of 2848	2428	cmd.exe	36
PID 2428 wrote to memory of 2848	2428	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\b518b9ebcf13d88f2e0e17303a948ca0N.exe
"C:\Users\Admin\AppData\Local\Temp\b518b9ebcf13d88f2e0e17303a948ca0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524
- 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:2560
- 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:2132
- - 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:2428
  - - 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:2848

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:2064
- 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:2736

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\Desktop\SelectOpen.exe

Filesize
2.7MB

MD5
f3a4acb072d05357a86d51d2ffd4b8d1

SHA1
7c63689e45abbc213bbf10177d816e96202ff333

SHA256
c1305323c16fcb44f1b006d7bcfeb0f49518530ba217234810b226f8c9750134

SHA512
3b9cab053c13d72c234247b5a86a35c82ce4e8cd6a976c9ac319fbbce2324c0d1e12ac6158058bb9c425db0f4aff4968296a2b6d028b4b1417e5688647dfd916

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259435403.txt

Filesize
899KB

MD5
67a010a5b18f8c6ab20976fbc78240eb

SHA1
e059009e10f58ccc716ebf9b8cda3fe3d942a6b1

SHA256
65e3260a559abc8cb4c74f4b5ea86c68c94b00680595f93379dbafdcab7c338c

SHA512
30ea0f5a71d07475d6b8dbd9ed5ae13692eed37e64c8c06a69e1f25242ad607643e086707b693d2ce2b529f9e08ac5705fe4c9f59def0a6874a7fbd056c48923

Download Submit
memory/2064-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2064-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2132-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2132-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2132-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2132-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2736-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads