gh0strat | 40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 12:15

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General

Target
40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe
Size 2.8MB
Sample240526-pfc1pabe51
SHA256 40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3
MD5 a06eb41aac45e03cd86c274efc1c19d4
SHA1 e55bdf661a47461a0804c6f9f703e8ae4bbbb60d
SHA512 5a19f204259f3b4465c1b311978bc5375bf7be44f09eec24b5b833b3c172e3e74023a2f80b66c76384c27365760ab1ad3317a1d0945c64ff5583e07d05cc5e35
SSDEEP 24576:wCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHk:wCwsbCANnKXferL7Vwe/Gg0P+Whb
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2540-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2540-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3040-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3040-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2096-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2096-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2096-54-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000700000002340d-5.dat	family_gh0strat
behavioral2/memory/2540-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2540-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3040-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3040-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2096-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2096-53-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2096-54-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240599328.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
2796	R.exe
2540	N.exe
3040	TXPlatfor.exe
2096	TXPlatfor.exe
448	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2796	R.exe
5016	svchost.exe
448	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2540-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2540-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2540-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3040-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3040-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3040-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2096-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2096-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2096-54-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\240599328.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.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	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.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
4992	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2096	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2540	N.exe
Token: SeLoadDriverPrivilege	2096	TXPlatfor.exe
Token: 33	2096	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2096	TXPlatfor.exe
Token: 33	2096	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2096	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe
3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 2796	3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe	82
PID 3312 wrote to memory of 2796	3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe	82
PID 3312 wrote to memory of 2796	3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe	82
PID 3312 wrote to memory of 2540	3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe	85
PID 3312 wrote to memory of 2540	3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe	85
PID 3312 wrote to memory of 2540	3312	40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe	85
PID 2540 wrote to memory of 2152	2540	N.exe	87
PID 2540 wrote to memory of 2152	2540	N.exe	87
PID 2540 wrote to memory of 2152	2540	N.exe	87
PID 3040 wrote to memory of 2096	3040	TXPlatfor.exe	88
PID 3040 wrote to memory of 2096	3040	TXPlatfor.exe	88
PID 3040 wrote to memory of 2096	3040	TXPlatfor.exe	88
PID 2152 wrote to memory of 4992	2152	cmd.exe	90
PID 2152 wrote to memory of 4992	2152	cmd.exe	90
PID 2152 wrote to memory of 4992	2152	cmd.exe	90
PID 5016 wrote to memory of 448	5016	svchost.exe	102
PID 5016 wrote to memory of 448	5016	svchost.exe	102
PID 5016 wrote to memory of 448	5016	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe
"C:\Users\Admin\AppData\Local\Temp\40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2796
- 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:2540
- - 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:2152
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4992

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3348

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:5016
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240599328.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:448

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3040
- 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:2096

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

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 40bdd4f21e700fc5129c004114da931ff53bc37fdc6b00eea7516b6245eaf1f3
MD5 a06eb41aac45e03cd86c274efc1c19d4
SHA1 e55bdf661a47461a0804c6f9f703e8ae4bbbb60d
SHA512 5a19f204259f3b4465c1b311978bc5375bf7be44f09eec24b5b833b3c172e3e74023a2f80b66c76384c27365760ab1ad3317a1d0945c64ff5583e07d05cc5e35
SSDEEP 24576:wCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHk:wCwsbCANnKXferL7Vwe/Gg0P+Whb
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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240599328.txt

Path C:\Windows\SysWOW64\240599328.txt
Size 899KB
SHA256 65e5444a62c364ddfc8dedda15475469136aefc89a0398c03122c577cbf202c8
MD5 ada749c465e78207edfa97ebadec8a97
SHA1 09be0c2497c58b27f119f80876e5ec040cae390f
SHA512 27a7b08d1226c3e3f9b659fa237e7a2ea284155627358c55a24fb782b848c2ad87a42e3e90f939e5f38410011997711ff279098b8ae979d81ce1573bca933aac
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PX8:7wqd87V8
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/2096-54-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2096-53-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2096-49-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2540-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2540-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2540-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2540-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3040-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3040-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3040-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads