gh0strat | 3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 14:48

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General

Target

3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
Size

2.6MB
MD5

2138cfe0780edebe2b0b2b7993056a39
SHA1

253a943e1c52c8f418fe37a4c12197c00f04ca9d
SHA256

3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8
SHA512

12f42cf14bbd1f06cb5c070a1a73ab4d2f56424e5255422b13e2feb1025f11d23a5edcb37cd936203aed6311eefba3fdcaf71a681b918b7d0a3535e035c81ad9
SSDEEP

24576:NCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHO:NCwsbCANnKXferL7Vwe/Gg0P+WhAR1W

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/3012-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3012-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2748-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0007000000019219-6.dat	family_gh0strat
behavioral1/memory/3012-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3012-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2748-50-0x0000000010000000-0x00000000101B6000-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\\259439787.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
772	R.exe
3012	N.exe
1416	TXPlatfor.exe
2748	TXPlatfor.exe
2200	HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
2976	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
772	R.exe
2076	svchost.exe
1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
1416	TXPlatfor.exe
1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
2200	HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
2076	svchost.exe
2976	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3012-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3012-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3012-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2748-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259439787.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.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	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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
2740	cmd.exe
2664	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2664	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2748	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3012	N.exe
Token: SeLoadDriverPrivilege	2748	TXPlatfor.exe
Token: 33	2748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2748	TXPlatfor.exe
Token: 33	2748	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2748	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 772	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	30
PID 1864 wrote to memory of 772	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	30
PID 1864 wrote to memory of 772	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	30
PID 1864 wrote to memory of 772	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	30
PID 1864 wrote to memory of 3012	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	33
PID 1864 wrote to memory of 3012	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	33
PID 1864 wrote to memory of 3012	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	33
PID 1864 wrote to memory of 3012	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	33
PID 1864 wrote to memory of 3012	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	33
PID 1864 wrote to memory of 3012	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	33
PID 1864 wrote to memory of 3012	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	33
PID 3012 wrote to memory of 2740	3012	N.exe	35
PID 3012 wrote to memory of 2740	3012	N.exe	35
PID 3012 wrote to memory of 2740	3012	N.exe	35
PID 3012 wrote to memory of 2740	3012	N.exe	35
PID 1416 wrote to memory of 2748	1416	TXPlatfor.exe	36
PID 1416 wrote to memory of 2748	1416	TXPlatfor.exe	36
PID 1416 wrote to memory of 2748	1416	TXPlatfor.exe	36
PID 1416 wrote to memory of 2748	1416	TXPlatfor.exe	36
PID 1416 wrote to memory of 2748	1416	TXPlatfor.exe	36
PID 1416 wrote to memory of 2748	1416	TXPlatfor.exe	36
PID 1416 wrote to memory of 2748	1416	TXPlatfor.exe	36
PID 1864 wrote to memory of 2200	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	38
PID 1864 wrote to memory of 2200	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	38
PID 1864 wrote to memory of 2200	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	38
PID 1864 wrote to memory of 2200	1864	3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe	38
PID 2740 wrote to memory of 2664	2740	cmd.exe	39
PID 2740 wrote to memory of 2664	2740	cmd.exe	39
PID 2740 wrote to memory of 2664	2740	cmd.exe	39
PID 2740 wrote to memory of 2664	2740	cmd.exe	39
PID 2076 wrote to memory of 2976	2076	svchost.exe	40
PID 2076 wrote to memory of 2976	2076	svchost.exe	40
PID 2076 wrote to memory of 2976	2076	svchost.exe	40
PID 2076 wrote to memory of 2976	2076	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
"C:\Users\Admin\AppData\Local\Temp\3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864
- 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:772
- 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:3012
- - 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:2740
  - - 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:2664
- C:\Users\Admin\AppData\Local\Temp\HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2200

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2484

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:2076
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259439787.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2976

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:1416
- 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:2748

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
2be3e77dac90b63b434152e469f9c3f9

SHA1
1540fc82b46394532cd29a8d391df5bb94f6abb8

SHA256
00528fa30442f6a5bd8a41ca8a469fd30b5aec961b8620a2b3a162c0a2cab36a

SHA512
9c110f9f373c4b88ea5862961b57a6fc8979f94c2a1b108654c11265e97a6457efad2a68d46c2c428e0133049c2c28863d63bfeb7b03fd99816505c0f17cd521

Download Submit
\Users\Admin\AppData\Local\Temp\HD_3d736316e9df9413f0663f6518a733eabebe09e1196d5d60fcda9718dca2ebe8.exe

Filesize
240KB

MD5
f9866e44cc75e918414c0022d2d70874

SHA1
50fba0d0436c8432b113d65e8ec01eb2191bee6c

SHA256
0250c64249cb099c186bca770dd90d571a9fe12f4fab986f1b3124e833adb974

SHA512
b1173f66ec24a95ee484deb7575337f542fa831e92909383463e7e6a18a85ad33492e50314ab45323951f65c23c429c10f66d5297843fef5c791384bba518e56

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259439787.txt

Filesize
899KB

MD5
aaeaa1fafac5500ed64fc3281836e7aa

SHA1
0be2a8c86bce37a4a3ecb951f566f808e0025bc7

SHA256
c5bd5fcc62a1593369c56006f8b925c56e9b063ad65250e6dcba5e0d08fa8fdc

SHA512
f0c0855ee3aa3a38f80113e222dd08fb3bcacfe5bee27ca3b142869568bd193daebc6493d649c577ae69c7b5d9e99e3ee1e918594a6dee946c042410bb0d7af3

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2748-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2748-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2748-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3012-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3012-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3012-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download