gh0strat | fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 16:11

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General

Target

fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
Size

5.4MB
MD5

b7aeb2974b213bde8a1daa7f3e94408a
SHA1

5a66cd3b7f68cbf4f619be7b64a2d7f6040a2903
SHA256

fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab
SHA512

6095fa6ddb5bc5a0279355550edaa7139c34d1b3d2a9faf5451555d6f2da43cb6931f0183a187c120d05888b9a3a50f3b017f77027d656261051a582294f45f8
SSDEEP

98304:Nws2ANnKXOaeOgmh/eurMXyl56bLp3XMJXw:XKXbeO7JNqyv+LOBw

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/2728-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2728-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2624-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2624-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2624-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x00070000000193f7-6.dat	family_gh0strat
behavioral1/memory/2728-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2728-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2624-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2624-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2624-53-0x0000000010000000-0x00000000101B6000-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\\259554947.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
348	R.exe
2728	N.exe
2744	TXPlatfor.exe
2624	TXPlatfor.exe
2724	HD_fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
2896	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
348	R.exe
2224	svchost.exe
2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
2744	TXPlatfor.exe
2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
2224	svchost.exe
2896	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259554947.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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2728-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2624-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2624-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2624-53-0x0000000010000000-0x00000000101B6000-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	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.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
2704	cmd.exe
2756	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2756	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2624	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2728	N.exe
Token: SeLoadDriverPrivilege	2624	TXPlatfor.exe
Token: 33	2624	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2624	TXPlatfor.exe
Token: 33	2624	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2624	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 348	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	29
PID 2528 wrote to memory of 348	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	29
PID 2528 wrote to memory of 348	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	29
PID 2528 wrote to memory of 348	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	29
PID 2528 wrote to memory of 2728	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	32
PID 2528 wrote to memory of 2728	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	32
PID 2528 wrote to memory of 2728	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	32
PID 2528 wrote to memory of 2728	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	32
PID 2528 wrote to memory of 2728	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	32
PID 2528 wrote to memory of 2728	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	32
PID 2528 wrote to memory of 2728	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	32
PID 2728 wrote to memory of 2704	2728	N.exe	34
PID 2728 wrote to memory of 2704	2728	N.exe	34
PID 2728 wrote to memory of 2704	2728	N.exe	34
PID 2728 wrote to memory of 2704	2728	N.exe	34
PID 2744 wrote to memory of 2624	2744	TXPlatfor.exe	36
PID 2744 wrote to memory of 2624	2744	TXPlatfor.exe	36
PID 2744 wrote to memory of 2624	2744	TXPlatfor.exe	36
PID 2744 wrote to memory of 2624	2744	TXPlatfor.exe	36
PID 2744 wrote to memory of 2624	2744	TXPlatfor.exe	36
PID 2744 wrote to memory of 2624	2744	TXPlatfor.exe	36
PID 2744 wrote to memory of 2624	2744	TXPlatfor.exe	36
PID 2704 wrote to memory of 2756	2704	cmd.exe	37
PID 2704 wrote to memory of 2756	2704	cmd.exe	37
PID 2704 wrote to memory of 2756	2704	cmd.exe	37
PID 2704 wrote to memory of 2756	2704	cmd.exe	37
PID 2528 wrote to memory of 2724	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	38
PID 2528 wrote to memory of 2724	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	38
PID 2528 wrote to memory of 2724	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	38
PID 2528 wrote to memory of 2724	2528	fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe	38
PID 2224 wrote to memory of 2896	2224	svchost.exe	39
PID 2224 wrote to memory of 2896	2224	svchost.exe	39
PID 2224 wrote to memory of 2896	2224	svchost.exe	39
PID 2224 wrote to memory of 2896	2224	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
"C:\Users\Admin\AppData\Local\Temp\fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528
- 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:348
- 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:2728
- - 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:2704
  - - 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:2756
- C:\Users\Admin\AppData\Local\Temp\HD_fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
  C:\Users\Admin\AppData\Local\Temp\HD_fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe
  2⤵
  - Executes dropped EXE
  PID:2724

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2316

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:2224
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259554947.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2896

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:2744
- 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:2624

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
2.4MB

MD5
0e916d3e0b1852984d4b6f534bfc7d46

SHA1
85232f200acd47b7ed60c19c9969de66d5539a44

SHA256
45fe053ba2b9665d8cca9e80432cac005aa7479baa1bc46f7046ccb50fcb70a4

SHA512
b00083f028ecd844fff2f0b8cdf56dbaba130811d60fbea142f71c30ab66b17eb1c1ac8e97f24e736db1f492d4199493c4b7fcf7d77949bb0f23c08afc16c4dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_fed64e9d298c13bfce47575241a19685c9103cc6c9bdf2186a7a3df9e2d3b7ab.exe

Filesize
2.9MB

MD5
167a5c8b31b3e0dbefa033ca24453d4e

SHA1
41cfa0d33fdc662bdc03e612b792a63887f1027f

SHA256
04e4db72629eaa786fdd182ac224f4fd6d68806f5f4fe5c1fb5f756dc4da11d7

SHA512
f141900c32ed800d3af8e2bd24f84db62c840d65b7888e4202b480e2c4d9474d270ad45930bed0a3fbbee0821745856d25e88b394c8910ebcac2346a91e6aeac

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259554947.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/2624-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2624-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2624-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2724-51-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/2728-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2728-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download