gh0strat | 3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72

General

Target

3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe
Size

2.7MB
MD5

526cf50e7b879a4a175cc91dd9dd059f
SHA1

ce263c18407350bf40109e1a5196a42f8ec6349c
SHA256

3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72
SHA512

a6b6d92e794904d2bf76fdd959c96c8377e9840bcab9cf20dfa635cb15d35095968597aac105de61f5c93419a3bc1ae612055c2a1015f920bd551e215c0b48fa
SSDEEP

49152:JjwsbCANnKXferL7Vwe/Gg0P+Wh8sditBDmn2p:lws2ANnKXOaeOgmh8sOBDmn2p

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
behavioral2/memory/3104-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3104-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3104-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4988-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4988-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2072-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2072-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2072-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023b60-5.dat	family_gh0strat
behavioral2/memory/3104-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3104-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3104-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4988-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4988-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2072-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2072-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2072-41-0x0000000010000000-0x00000000101B6000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240616390.txt"	R.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 5 IoCs

pid	Process
2900	R.exe
3104	N.exe
4988	TXPlatfor.exe
2072	TXPlatfor.exe
3324	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2900	R.exe
1508	svchost.exe
3324	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240616390.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3104-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3104-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3104-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3104-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4988-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2072-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2072-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2072-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 8 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	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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	Remote Data.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
640	cmd.exe
1340	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1340	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2072	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3104	N.exe
Token: SeLoadDriverPrivilege	2072	TXPlatfor.exe
Token: 33	2072	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2072	TXPlatfor.exe
Token: 33	2072	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2072	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe
1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2900	1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe	84
PID 1372 wrote to memory of 2900	1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe	84
PID 1372 wrote to memory of 2900	1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe	84
PID 1372 wrote to memory of 3104	1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe	88
PID 1372 wrote to memory of 3104	1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe	88
PID 1372 wrote to memory of 3104	1372	3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe	88
PID 3104 wrote to memory of 640	3104	N.exe	91
PID 3104 wrote to memory of 640	3104	N.exe	91
PID 3104 wrote to memory of 640	3104	N.exe	91
PID 4988 wrote to memory of 2072	4988	TXPlatfor.exe	92
PID 4988 wrote to memory of 2072	4988	TXPlatfor.exe	92
PID 4988 wrote to memory of 2072	4988	TXPlatfor.exe	92
PID 640 wrote to memory of 1340	640	cmd.exe	95
PID 640 wrote to memory of 1340	640	cmd.exe	95
PID 640 wrote to memory of 1340	640	cmd.exe	95
PID 1508 wrote to memory of 3324	1508	svchost.exe	100
PID 1508 wrote to memory of 3324	1508	svchost.exe	100
PID 1508 wrote to memory of 3324	1508	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe
"C:\Users\Admin\AppData\Local\Temp\3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2900
- 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:3104
- - 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:640
  - - 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:1340

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1904

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240616390.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3324

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- 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:2072

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

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

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
2.7MB

MD5
526cf50e7b879a4a175cc91dd9dd059f

SHA1
ce263c18407350bf40109e1a5196a42f8ec6349c

SHA256
3aad46aad4560a92b3327b9a49f4a1fcda53efdb2a4b01b7873bdc0be95dcb72

SHA512
a6b6d92e794904d2bf76fdd959c96c8377e9840bcab9cf20dfa635cb15d35095968597aac105de61f5c93419a3bc1ae612055c2a1015f920bd551e215c0b48fa

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\240616390.txt

Filesize
899KB

MD5
23c603cd96b656538b83a1823c6fa091

SHA1
aba8d4cc054cfaabc29fc3c608252eacfe23176f

SHA256
b2f883389900c88b01b4ced79c4051b0bd3b1533626433b1ec6c64c9dfdfd9d3

SHA512
d7b0470ea161a814416510753107eb1adba24b3477d23b419c7b992342c0907786760c0f83bc0d5ff6ba16165370c292c6f276c9491cb5bd053cfcc2c44b28e0

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2072-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2072-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2072-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3104-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4988-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads