gh0strat | fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945

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
27/05/2024, 10:58

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
Size 4.3MB
Sample240527-m2tt8aaa48
SHA256 fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945
MD5 4acca56c9969f328fe99e66f59a394e1
SHA1 e8b5e0c00cfa75dca010ffb0d6efd489b2f53cee
SHA512 fd710eb3bf6adff09bffd15b96d5a4d277a1db585add114781673da38a49ddfd3e2763bf0815918b7768b58a0a08f4ce93aca1029e6ae5f70c37130fe4a3892f
SSDEEP 49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2yjDo//k3vN4NnL+onVbH:Vws2ANnKXOaeOgmhPTwM6mn2QbqnDnVL
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/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2536-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4552-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4552-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4552-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023402-5.dat	family_gh0strat
behavioral2/memory/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2536-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4552-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4552-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4552-57-0x0000000010000000-0x00000000101B6000-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\\240609812.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
4184	R.exe
1000	N.exe
2536	TXPlatfor.exe
4552	TXPlatfor.exe
4728	HD_fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
2184	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4184	R.exe
2488	svchost.exe
2184	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1000-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2536-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2536-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2536-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4552-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4552-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4552-57-0x0000000010000000-0x00000000101B6000-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\240609812.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.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
3600	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4552	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1000	N.exe
Token: SeLoadDriverPrivilege	4552	TXPlatfor.exe
Token: 33	4552	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4552	TXPlatfor.exe
Token: 33	4552	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4552	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 4184	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	85
PID 4784 wrote to memory of 4184	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	85
PID 4784 wrote to memory of 4184	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	85
PID 4784 wrote to memory of 1000	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	88
PID 4784 wrote to memory of 1000	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	88
PID 4784 wrote to memory of 1000	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	88
PID 1000 wrote to memory of 4372	1000	N.exe	90
PID 1000 wrote to memory of 4372	1000	N.exe	90
PID 1000 wrote to memory of 4372	1000	N.exe	90
PID 2536 wrote to memory of 4552	2536	TXPlatfor.exe	91
PID 2536 wrote to memory of 4552	2536	TXPlatfor.exe	91
PID 2536 wrote to memory of 4552	2536	TXPlatfor.exe	91
PID 4784 wrote to memory of 4728	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	93
PID 4784 wrote to memory of 4728	4784	fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe	93
PID 4372 wrote to memory of 3600	4372	cmd.exe	95
PID 4372 wrote to memory of 3600	4372	cmd.exe	95
PID 4372 wrote to memory of 3600	4372	cmd.exe	95
PID 2488 wrote to memory of 2184	2488	svchost.exe	105
PID 2488 wrote to memory of 2184	2488	svchost.exe	105
PID 2488 wrote to memory of 2184	2488	svchost.exe	105

C:\Users\Admin\AppData\Local\Temp\fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
"C:\Users\Admin\AppData\Local\Temp\fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4784
- 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:4184
- 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:1000
- - 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:4372
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3600
- C:\Users\Admin\AppData\Local\Temp\HD_fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
  2⤵
  - Executes dropped EXE
  PID:4728

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2284

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:2488
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240609812.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2184

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2536
- 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:4552

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

Replay Monitor

Loading Replay Monitor...

Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.6MB
SHA256 1a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d
MD5 25411e8ec8c4480ab0c70c4b3e655e19
SHA1 899f104a98634d92b84ae9c9e1c96490268fbb84
SHA512 5cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153
SSDEEP 49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2Q:Vws2ANnKXOaeOgmhPTwM6mn2Q
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_fa361f46428cc7bf56a72583e632044e538c811b3d078130fc235a5fb0de4945.exe
Size 1.7MB
SHA256 347afbbc8a65a87e98aad9e7391b91f081b0bd9b1eec3994e1dbdf317996cf29
MD5 0faa9fb602853481d7a9e77bdc45aef9
SHA1 b7e5786df2bf26efa6afb6720dbbc4de6b5f3543
SHA512 c0197ab9bab3cc7698f01f6c380e21571b7464ed4ed5c6aff8b6f72924c60d5de559d900751a06382cc71ca202d81d702da0692f5d51b0fd780f21c28a07da47
SSDEEP 24576:IFhuqIBOfYcmbk62vN4NfcWSZAcMskyv9GnVCE9B:IjDo//k3vN4NnL+onVbH
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

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

Submit Download

240609812.txt

Path C:\Windows\SysWOW64\240609812.txt
Size 899KB
SHA256 fd3db64d6cc735a429ea75fcc6ffbacacf715f75e9e27202ebc3ce88459fc3ad
MD5 5538d249746ec52395c2ea3a61b31a1a
SHA1 f4d98e23c3cc9aa97890b2edff88680f1e62f227
SHA512 f16ddf44aba4da0240a887cd460a8df0219700232863209a023d195a1169d9f11712fd8d2b708b519984347435494568546a571e4689aceeb7fa464d38d8367f
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PX4:7wqd87V4
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

memory/1000-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1000-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1000-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1000-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2536-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2536-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2536-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4552-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4552-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4552-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Download