gh0strat | 900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 16:47

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General

Target

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
Size

2.1MB
MD5

94f8d3f7b6bb81b68f4ea6d6c5938a57
SHA1

f3515e0b090bb7541e6ee975362d04029bedd900
SHA256

900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704
SHA512

f9c0346732611e78dc5fa5eb6f09b821d473ec7262788e72f80cf789e75acc91a43a530c71fab59f753d929a3e7bf7cfa37ced7e82770cf2b94ab9c454e086d0
SSDEEP

49152:FQZAdVyVT9n/Gg0P+WhompeoSZPItx2apeapelI:eGdVyVT9nOgmhMoLtUvlI

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1964-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1964-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1964-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1036-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1036-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1964-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1964-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1964-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1036-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1036-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x000700000001938a-31.dat	family_gh0strat
behavioral1/memory/2768-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-51-0x0000000010000000-0x00000000101B6000-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	TXPlatforn.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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259435699.txt"	svchos.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"	TXPlatforn.exe

Executes dropped EXE 6 IoCs

pid	Process
1964	svchost.exe
1036	TXPlatforn.exe
1952	svchos.exe
2768	TXPlatforn.exe
2840	HD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
2068	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
1036	TXPlatforn.exe
1952	svchos.exe
2168	svchost.exe
1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
2168	svchost.exe
2068	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259435699.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1964-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1964-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1964-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1964-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1036-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1036-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

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

System Information Discovery
T1082

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	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.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
1616	cmd.exe
2872	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2872	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2768	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1964	svchost.exe
Token: SeLoadDriverPrivilege	2768	TXPlatforn.exe
Token: 33	2768	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2768	TXPlatforn.exe
Token: 33	2768	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2768	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1964	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	30
PID 1684 wrote to memory of 1964	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	30
PID 1684 wrote to memory of 1964	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	30
PID 1684 wrote to memory of 1964	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	30
PID 1684 wrote to memory of 1964	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	30
PID 1684 wrote to memory of 1964	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	30
PID 1684 wrote to memory of 1964	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	30
PID 1964 wrote to memory of 1616	1964	svchost.exe	32
PID 1964 wrote to memory of 1616	1964	svchost.exe	32
PID 1964 wrote to memory of 1616	1964	svchost.exe	32
PID 1964 wrote to memory of 1616	1964	svchost.exe	32
PID 1684 wrote to memory of 1952	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	34
PID 1684 wrote to memory of 1952	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	34
PID 1684 wrote to memory of 1952	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	34
PID 1684 wrote to memory of 1952	1684	900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe	34
PID 1036 wrote to memory of 2768	1036	TXPlatforn.exe	35
PID 1036 wrote to memory of 2768	1036	TXPlatforn.exe	35
PID 1036 wrote to memory of 2768	1036	TXPlatforn.exe	35
PID 1036 wrote to memory of 2768	1036	TXPlatforn.exe	35
PID 1036 wrote to memory of 2768	1036	TXPlatforn.exe	35
PID 1036 wrote to memory of 2768	1036	TXPlatforn.exe	35
PID 1036 wrote to memory of 2768	1036	TXPlatforn.exe	35
PID 1616 wrote to memory of 2872	1616	cmd.exe	36
PID 1616 wrote to memory of 2872	1616	cmd.exe	36
PID 1616 wrote to memory of 2872	1616	cmd.exe	36
PID 1616 wrote to memory of 2872	1616	cmd.exe	36
PID 2168 wrote to memory of 2068	2168	svchost.exe	40
PID 2168 wrote to memory of 2068	2168	svchost.exe	40
PID 2168 wrote to memory of 2068	2168	svchost.exe	40
PID 2168 wrote to memory of 2068	2168	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
"C:\Users\Admin\AppData\Local\Temp\900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:1964
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1616
  - - 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:2872
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.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:1952
- C:\Users\Admin\AppData\Local\Temp\HD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
  C:\Users\Admin\AppData\Local\Temp\HD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe
  2⤵
  - Executes dropped EXE
  PID:2840

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.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:2768

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2832

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259435699.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2068

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

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
1.5MB

MD5
b3905c9a0a2e29e54e97d3e8ee168b5e

SHA1
385582ef5cf2123da6398bf2b350a614071b27d3

SHA256
3e698acdf72d32b8b824bef22359c965bf0664c6de958b25729f95dbefd0281a

SHA512
e091a498c6da896abe724b49e0c3d80cbb913e34000488e845acef89896d4e919f933119684a1aa4c038eb892cd0552dcb5f71500b9f9d8b02665bfe5cd816b1

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_900f413aa1c802453d4fc41fc8767d52bdc4ed1612c168543a73bb37b5fd2704.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Windows\SysWOW64\259435699.txt

Filesize
50KB

MD5
299c3dc58ca18bf29f910319d142179b

SHA1
f34f45edbfa481e45ff8c8f20e6ecbffc4fda698

SHA256
eef2428011c935f502f4915da2eb52886a6bb5b8cbcd6ec58bc6a94ed3223061

SHA512
8404c8171dac8133141f52eaa22a9f4ad4431677d70d6b741acbd3f61d7941e8346a9fc50d21c9286208a81096a49b85055729226ee733cf72435375faa1c5da

Download Submit
memory/1036-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1036-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1964-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1964-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1964-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1964-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download