gh0strat | 9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 11:42

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General

Target
9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe
Size 2.8MB
Sample240625-nvc4ka1arn
SHA256 9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa
MD5 362afb5425cd2d4003104847cb951465
SHA1 00a2e17a7a229de517348f7fa9e1d2513424d616
SHA512 4f93379462ae5b792b7041d4a8ed94b1fa7608a660271cc1885c609f17b7aeac049366389050723ed262b18ff6ccefea8a364b31072eb0e615a2c1a72b9961ac
SSDEEP 49152:fCwsbCANnKXferL7Vwe/Gg0P+WhxXdHJTXTFKu3p5XJDmn2p:Kws2ANnKXOaeOgmhxXdHJLvVJDmn2p
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/804-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/804-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3376-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3376-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4544-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4544-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4544-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023564-5.dat	family_gh0strat
behavioral2/memory/804-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/804-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3376-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3376-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4544-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4544-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4544-54-0x0000000010000000-0x00000000101B6000-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\\240596890.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
2516	R.exe
804	N.exe
3376	TXPlatfor.exe
4544	TXPlatfor.exe
1460	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2516	R.exe
3788	svchost.exe
1460	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/804-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/804-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/804-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3376-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3376-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3376-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4544-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4544-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4544-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240596890.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4636	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4544	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	804	N.exe
Token: SeLoadDriverPrivilege	4544	TXPlatfor.exe
Token: 33	4544	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4544	TXPlatfor.exe
Token: 33	4544	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4544	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe
2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2516	2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe	82
PID 2596 wrote to memory of 2516	2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe	82
PID 2596 wrote to memory of 2516	2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe	82
PID 2596 wrote to memory of 804	2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe	86
PID 2596 wrote to memory of 804	2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe	86
PID 2596 wrote to memory of 804	2596	9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe	86
PID 3376 wrote to memory of 4544	3376	TXPlatfor.exe	89
PID 3376 wrote to memory of 4544	3376	TXPlatfor.exe	89
PID 3376 wrote to memory of 4544	3376	TXPlatfor.exe	89
PID 804 wrote to memory of 4904	804	N.exe	90
PID 804 wrote to memory of 4904	804	N.exe	90
PID 804 wrote to memory of 4904	804	N.exe	90
PID 4904 wrote to memory of 4636	4904	cmd.exe	92
PID 4904 wrote to memory of 4636	4904	cmd.exe	92
PID 4904 wrote to memory of 4636	4904	cmd.exe	92
PID 3788 wrote to memory of 1460	3788	svchost.exe	98
PID 3788 wrote to memory of 1460	3788	svchost.exe	98
PID 3788 wrote to memory of 1460	3788	svchost.exe	98

C:\Users\Admin\AppData\Local\Temp\9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe
"C:\Users\Admin\AppData\Local\Temp\9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2596
- 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
  PID:2516
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:804
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:4904
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4636

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2592

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240596890.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1460

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3376
- 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:4544

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.8MB
SHA256 9c1387289576c1f8b4abd09138f102d8ab8c33d483473b6b65e89f50d56a01aa
MD5 362afb5425cd2d4003104847cb951465
SHA1 00a2e17a7a229de517348f7fa9e1d2513424d616
SHA512 4f93379462ae5b792b7041d4a8ed94b1fa7608a660271cc1885c609f17b7aeac049366389050723ed262b18ff6ccefea8a364b31072eb0e615a2c1a72b9961ac
SSDEEP 49152:fCwsbCANnKXferL7Vwe/Gg0P+WhxXdHJTXTFKu3p5XJDmn2p:Kws2ANnKXOaeOgmhxXdHJLvVJDmn2p
MD5 SHA1 SHA512 SSDEEP

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N.exe

Path C:\Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

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R.exe

Path C:\Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

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240596890.txt

Path C:\Windows\SysWOW64\240596890.txt
Size 899KB
SHA256 cc01a859d67b2e37d19cca0753b545bbcc4bbee5ac3bc2f16859d15247fe27df
MD5 ac6bd30fd59b9bb9512adf7a1d24c364
SHA1 703bb222c0722a501e9fddcf4ba22b2195233014
SHA512 a74cec693787ef5db6f9424840e72a95676d59496a10a4d61c483f8a4efb2c341c344c843d19daabc681e89f4e5bb01043c0d08d56a64a901d85b1093b209974
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXp:7wqd87Vp
MD5 SHA1 SHA512 SSDEEP

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Remote Data.exe

Path C:\Windows\SysWOW64\Remote Data.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/804-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/804-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/804-23-0x00007FFF01C90000-0x00007FFF01E85000-memory.dmp

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memory/804-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3376-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3376-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3376-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4544-38-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4544-53-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4544-54-0x0000000010000000-0x00000000101B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads