gh0strat | cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 16:11

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General

Target

cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
Size

2.7MB
MD5

22a4ab8faa35f04a3c46a1f0f9aacd61
SHA1

6bae935c6cf8f077fb0edbe6cf5caa4b136466e8
SHA256

cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5
SHA512

b411115e5903bc9127e6a17698527a6a3bc590adac0f297a170d23476e68089fa4edde9cafe06c35b735a30a1fdfa38e258258c810bfd96280441a66bfb0651a
SSDEEP

49152:ICwsbCANnKXferL7Vwe/Gg0P+WhJLJx3taSLJf:Dws2ANnKXOaeOgmhJlx3taSlf

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2964-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x000a00000001739b-6.dat	family_gh0strat
behavioral1/memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2964-42-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

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

Processes:

R.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259449381.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 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exeRemote Data.exe

pid	Process
1764	R.exe
2036	N.exe
2272	TXPlatfor.exe
2964	TXPlatfor.exe
2288	HD_cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
2224	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	Process
1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
1764	R.exe
880	svchost.exe
1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
2272	TXPlatfor.exe
1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
880	svchost.exe
2224	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259449381.txt	R.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2036-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2964-39-0x0000000010000000-0x00000000101B6000-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

Processes:

cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exeR.exesvchost.exeN.exeTXPlatfor.execmd.exePING.EXERemote Data.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.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

Processes:

PING.EXEcmd.exe

pid	Process
2648	PING.EXE
2852	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2648	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe

pid	Process
1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid	Process
2964	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2036	N.exe
Token: SeLoadDriverPrivilege	2964	TXPlatfor.exe
Token: 33	2964	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2964	TXPlatfor.exe
Token: 33	2964	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2964	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe

pid	Process
1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 1628 wrote to memory of 1764	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	31
PID 1628 wrote to memory of 1764	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	31
PID 1628 wrote to memory of 1764	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	31
PID 1628 wrote to memory of 1764	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	31
PID 1628 wrote to memory of 2036	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	34
PID 1628 wrote to memory of 2036	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	34
PID 1628 wrote to memory of 2036	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	34
PID 1628 wrote to memory of 2036	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	34
PID 1628 wrote to memory of 2036	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	34
PID 1628 wrote to memory of 2036	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	34
PID 1628 wrote to memory of 2036	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	34
PID 2036 wrote to memory of 2852	2036	N.exe	36
PID 2036 wrote to memory of 2852	2036	N.exe	36
PID 2036 wrote to memory of 2852	2036	N.exe	36
PID 2036 wrote to memory of 2852	2036	N.exe	36
PID 2272 wrote to memory of 2964	2272	TXPlatfor.exe	38
PID 2272 wrote to memory of 2964	2272	TXPlatfor.exe	38
PID 2272 wrote to memory of 2964	2272	TXPlatfor.exe	38
PID 2272 wrote to memory of 2964	2272	TXPlatfor.exe	38
PID 2272 wrote to memory of 2964	2272	TXPlatfor.exe	38
PID 2272 wrote to memory of 2964	2272	TXPlatfor.exe	38
PID 2272 wrote to memory of 2964	2272	TXPlatfor.exe	38
PID 1628 wrote to memory of 2288	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	39
PID 1628 wrote to memory of 2288	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	39
PID 1628 wrote to memory of 2288	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	39
PID 1628 wrote to memory of 2288	1628	cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe	39
PID 2852 wrote to memory of 2648	2852	cmd.exe	40
PID 2852 wrote to memory of 2648	2852	cmd.exe	40
PID 2852 wrote to memory of 2648	2852	cmd.exe	40
PID 2852 wrote to memory of 2648	2852	cmd.exe	40
PID 880 wrote to memory of 2224	880	svchost.exe	41
PID 880 wrote to memory of 2224	880	svchost.exe	41
PID 880 wrote to memory of 2224	880	svchost.exe	41
PID 880 wrote to memory of 2224	880	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
"C:\Users\Admin\AppData\Local\Temp\cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628
- 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:1764
- 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:2036
- - 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:2852
  - - 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:2648
- C:\Users\Admin\AppData\Local\Temp\HD_cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
  C:\Users\Admin\AppData\Local\Temp\HD_cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe
  2⤵
  - Executes dropped EXE
  PID:2288

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1664

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:880
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259449381.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2224

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:2272
- 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:2964

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
2.5MB

MD5
c04e7b4732c73f6aecbff4b06a237abf

SHA1
d65ed7b0cf5716f14eef216db93da7d754a5f4f8

SHA256
bbe4e487775006d3f8ec7e020db6c37db8469e911231caf59c5b4dc4ca52aa9a

SHA512
9b902f94c90d77020046a02943cdb87e4fd02a39574eef51334b41f5543174b826a63dcfef6d8464820f7e36930d96dc73c2f2a5442b49e74757d313e547eed7

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_cd08456ce9c749f0b86bcdb3ec4f305940b8a0e18e5e01ca568725f9838cb7e5.exe

Filesize
235KB

MD5
3e89cdb29d8b8d2a56420ef0b8e46f68

SHA1
b6890b12ae6e97105502ea607b1150165a633a52

SHA256
8b127187bba14265a245243aed53247e932c711dfb38ebd357111be98b5ee301

SHA512
5ebda87593dca1d68b7fd969cd120f05619c093c215c2f3944f91c3a5add03426baf1d0d56ba4f2a60d5858fd3b2750c8b8b58c79ee5561e67c148d2e316d3a3

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\259449381.txt

Filesize
899KB

MD5
9ab546435e1969c475ba10a242c67da4

SHA1
5d545dd32ebe563e807b14c84dd60a6914a4aef8

SHA256
712494b5c5cc2490a86dc925e328285837b4cf259c41b88446fcc9a732c11b46

SHA512
75ff6a2f7f2b5639ec1bf1973f6f91a2dd3bac42b90fa7c0abe2f0845cc881fb4e130b389ccb3caf6d2a2bb16a16d6ac963a7682223beae9e9f67c99709fdd76

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2036-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2036-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2036-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2964-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download