gh0strat | 4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 15:41

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General

Target

4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
Size

8.7MB
MD5

977424fd61499a99cfb45455985d0faa
SHA1

7366a24d185c2d56acade3dc39a9beec223689d8
SHA256

4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5
SHA512

8216a3bc61a88bd8588905963cc72b5bc854377d720460c317bcbba0920b9a5b2605a0711396be84be32e2d48eddc505c01a4e667ad71e7e4b3bddf2cb73d3c7
SSDEEP

98304:Iws2ANnKXOaeOgmhz1BTu/OKVDv9CQ7wccHgHx7KXg3mwqQGGM0M4s+m:eKXbeO7h1pAttlybQG90M9

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/588-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/588-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2756-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2756-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016c23-6.dat	family_gh0strat
behavioral1/memory/588-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/588-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2756-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2756-52-0x0000000010000000-0x00000000101B6000-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\\259449802.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
588	N.exe
2740	TXPlatfor.exe
2756	TXPlatfor.exe
2660	HD_4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
2124	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
2352	R.exe
1636	svchost.exe
324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
2740	TXPlatfor.exe
324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
1636	svchost.exe
2124	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259449802.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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/588-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/588-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/588-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2756-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2756-52-0x0000000010000000-0x00000000101B6000-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	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.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
2908	cmd.exe
2896	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2896	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2756	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	588	N.exe
Token: SeLoadDriverPrivilege	2756	TXPlatfor.exe
Token: 33	2756	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2756	TXPlatfor.exe
Token: 33	2756	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2756	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 2352	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	31
PID 324 wrote to memory of 2352	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	31
PID 324 wrote to memory of 2352	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	31
PID 324 wrote to memory of 2352	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	31
PID 324 wrote to memory of 588	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	34
PID 324 wrote to memory of 588	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	34
PID 324 wrote to memory of 588	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	34
PID 324 wrote to memory of 588	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	34
PID 324 wrote to memory of 588	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	34
PID 324 wrote to memory of 588	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	34
PID 324 wrote to memory of 588	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	34
PID 588 wrote to memory of 2908	588	N.exe	36
PID 588 wrote to memory of 2908	588	N.exe	36
PID 588 wrote to memory of 2908	588	N.exe	36
PID 588 wrote to memory of 2908	588	N.exe	36
PID 2740 wrote to memory of 2756	2740	TXPlatfor.exe	38
PID 2740 wrote to memory of 2756	2740	TXPlatfor.exe	38
PID 2740 wrote to memory of 2756	2740	TXPlatfor.exe	38
PID 2740 wrote to memory of 2756	2740	TXPlatfor.exe	38
PID 2740 wrote to memory of 2756	2740	TXPlatfor.exe	38
PID 2740 wrote to memory of 2756	2740	TXPlatfor.exe	38
PID 2740 wrote to memory of 2756	2740	TXPlatfor.exe	38
PID 324 wrote to memory of 2660	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	39
PID 324 wrote to memory of 2660	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	39
PID 324 wrote to memory of 2660	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	39
PID 324 wrote to memory of 2660	324	4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe	39
PID 2908 wrote to memory of 2896	2908	cmd.exe	41
PID 2908 wrote to memory of 2896	2908	cmd.exe	41
PID 2908 wrote to memory of 2896	2908	cmd.exe	41
PID 2908 wrote to memory of 2896	2908	cmd.exe	41
PID 1636 wrote to memory of 2124	1636	svchost.exe	42
PID 1636 wrote to memory of 2124	1636	svchost.exe	42
PID 1636 wrote to memory of 2124	1636	svchost.exe	42
PID 1636 wrote to memory of 2124	1636	svchost.exe	42

C:\Users\Admin\AppData\Local\Temp\4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
"C:\Users\Admin\AppData\Local\Temp\4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:324
- 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:588
- - 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:2908
  - - 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:2896
- C:\Users\Admin\AppData\Local\Temp\HD_4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe
  2⤵
  - Executes dropped EXE
  PID:2660

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2024

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:1636
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259449802.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2124

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:2740
- 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:2756

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_4b878f6a8fd6d52ae9608aede6db4075b6f625ae1b5ce6ecc43f6e1b4a9ddee5.exe

Filesize
6.0MB

MD5
f7eedae369737b81351c2aa936ed6ac5

SHA1
69fbf830327f0c36b3c620f4bab5e72f90a79bd8

SHA256
e79dc8fc3c6385192bdccd7ff7eabe3d5c1ec292475a06b04d82759f07655982

SHA512
9b49dce1b50b045028c8541db1c4176b5395bfa98cee9cf2c8999660d03ace2d251355192d0a84bf2b4784beee9ea805f94aba00f0db7ddcb8a4ae6e8c0b3a09

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

Filesize
2.6MB

MD5
534393e8a279410ffa46f8e981c03e55

SHA1
a2c6c23480fd15184baf58bacc8a14ab72bdedc2

SHA256
6104e3b0ed7a26905af96fb245bcda700c72729b4c634ab474d83bf58352f2e7

SHA512
6190173b468881e0dfffcc14568c5ce886ff2f1459361aabfa4eb3d941f0ca30138c31951cd43a04b179ed21e7205e831b0565b28ca4b372fbe5aaec06de08d7

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259449802.txt

Filesize
899KB

MD5
5c38fba07738e314bf039b77f109cf87

SHA1
6dfcf54ed1d26d30f86e1c6fd470bf342af7d465

SHA256
03b6904abb35dc3188248ed181e25f834f29e923ce264b4c031b9e8aa0c76356

SHA512
7bfe804e58771160373793eca1d9be64ded6f845dba9d4a811c4a46d7b98459915fbae8ef07a25e2320047aae7115b4eb91ffcae68ea798ce46a9de5e59029a2

Download Submit
memory/588-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/588-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/588-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2756-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2756-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download