gh0strat | 775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566

Analysis

max time kernel
150s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 23:45

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General

Target

775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
Size

2.6MB
MD5

e1f2b6e09239a0d65ea38c33300de829
SHA1

40a4d37f5d56052632ba88deb6dcc7f1d0434740
SHA256

775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566
SHA512

5f08e599dc4f63e55582f08b71d014a74a8b02f3efdb1641170f2bb380dc875e1be7a46ef9162374d1a9713755317468bf89ed1b5f351c07b82aa74afd1e30ee
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuV:pws2ANnKXOaeOgmhI1BTuV

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2844-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2844-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2700-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000800000001739c-6.dat	family_gh0strat
behavioral1/memory/2844-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2844-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2700-49-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
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\\259450535.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 6 IoCs

pid	Process
2352	R.exe
2844	N.exe
2784	TXPlatfor.exe
2700	TXPlatfor.exe
2796	HD_775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
540	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
2352	R.exe
2456	svchost.exe
2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
2784	TXPlatfor.exe
2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
2456	svchost.exe
540	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259450535.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
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2844-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2844-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2844-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2700-49-0x0000000010000000-0x00000000101B6000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2660	cmd.exe
2568	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2568	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2700	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2844	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
2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2352	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	31
PID 2308 wrote to memory of 2352	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	31
PID 2308 wrote to memory of 2352	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	31
PID 2308 wrote to memory of 2352	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	31
PID 2308 wrote to memory of 2844	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	34
PID 2308 wrote to memory of 2844	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	34
PID 2308 wrote to memory of 2844	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	34
PID 2308 wrote to memory of 2844	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	34
PID 2308 wrote to memory of 2844	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	34
PID 2308 wrote to memory of 2844	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	34
PID 2308 wrote to memory of 2844	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	34
PID 2844 wrote to memory of 2660	2844	N.exe	36
PID 2844 wrote to memory of 2660	2844	N.exe	36
PID 2844 wrote to memory of 2660	2844	N.exe	36
PID 2844 wrote to memory of 2660	2844	N.exe	36
PID 2784 wrote to memory of 2700	2784	TXPlatfor.exe	37
PID 2784 wrote to memory of 2700	2784	TXPlatfor.exe	37
PID 2784 wrote to memory of 2700	2784	TXPlatfor.exe	37
PID 2784 wrote to memory of 2700	2784	TXPlatfor.exe	37
PID 2784 wrote to memory of 2700	2784	TXPlatfor.exe	37
PID 2784 wrote to memory of 2700	2784	TXPlatfor.exe	37
PID 2784 wrote to memory of 2700	2784	TXPlatfor.exe	37
PID 2308 wrote to memory of 2796	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	39
PID 2308 wrote to memory of 2796	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	39
PID 2308 wrote to memory of 2796	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	39
PID 2308 wrote to memory of 2796	2308	775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe	39
PID 2660 wrote to memory of 2568	2660	cmd.exe	41
PID 2660 wrote to memory of 2568	2660	cmd.exe	41
PID 2660 wrote to memory of 2568	2660	cmd.exe	41
PID 2660 wrote to memory of 2568	2660	cmd.exe	41
PID 2456 wrote to memory of 540	2456	svchost.exe	42
PID 2456 wrote to memory of 540	2456	svchost.exe	42
PID 2456 wrote to memory of 540	2456	svchost.exe	42
PID 2456 wrote to memory of 540	2456	svchost.exe	42

C:\Users\Admin\AppData\Local\Temp\775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
"C:\Users\Admin\AppData\Local\Temp\775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308
- 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:2352
- 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:2844
- - 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:2660
  - - 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:2568
- C:\Users\Admin\AppData\Local\Temp\HD_775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
  C:\Users\Admin\AppData\Local\Temp\HD_775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe
  2⤵
  - Executes dropped EXE
  PID:2796

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1940

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:2456
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259450535.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:540

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:2784
- 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

T1547

Registry Run Keys / Startup Folder

T1547.001

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\HD_775312f8e0b4e1c41fcdf8f780a0727620917fbcb5577a79ac0a7617611d0566.exe

Filesize
36KB

MD5
4108cd11d42701d6d045c166a0e1857b

SHA1
6a93195522e0e980ec2d51a1d15a58b1e2674dca

SHA256
57429b25112409cba445336d02936aaf53612c12cb5fbafc62f603db97a7461a

SHA512
fbd41d7aa6253c11ed5855f1630ba8624ed140b273d6e6f081ca925e7f090abc858011763fbd54c357c9a56ca5661c666e8dc5168387ccc7fd21b08af643dddb

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259450535.txt

Filesize
899KB

MD5
84571f74b55c09a698d9b9ca75ce80b4

SHA1
779a468bd49e69005e08c191fbc39787fedd8dfa

SHA256
95b703154ef662e1ab8bcf0df6fb86e362f5c4e70f704456e31cf73bcd8914b6

SHA512
8187ba3b4886dec3a29947965f24235433ae4bc3acb9ce4ec724cbab62092470b0d1aca1fd2337ac95638116798cd92ec9c88b7d185d25eb5463362eeed5d937

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
1.7MB

Download
memory/2700-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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

Filesize
1.7MB

Download
memory/2700-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2700-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2844-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download