gh0strat | 1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 15:55

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General

Target

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
Size

1.4MB
MD5

daedf62331dff277995f5cbb2ee5c730
SHA1

b1b588d64e03c057cc03040069ef6bb48602905d
SHA256

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1
SHA512

d22e49c0ba94097536b513ddebee81cf1cf59b69ae5dd2985a39a6117c0af4b94381ad91f0036ba07057f049a4b2f749afd0fa8e808376c6a70f8ab0518876c9
SSDEEP

24576:uQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVUE5lWyQN:uQZAdVyVT9n/Gg0P+WhoS5K

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2840-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2840-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2660-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2660-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2704-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2704-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2840-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000016d49-43.dat	family_gh0strat
behavioral1/memory/2840-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2660-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2660-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2704-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2704-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2704-7-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

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

Processes:

svchos.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259459349.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

Processes:

svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
2704	svchost.exe
2660	TXPlatforn.exe
2624	svchos.exe
2840	TXPlatforn.exe
2872	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
2660	TXPlatforn.exe
2624	svchos.exe
2740	svchost.exe
2740	svchost.exe
2872	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

Processes:

svchost.exesvchos.exesvchost.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259459349.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

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2840-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2840-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2660-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2660-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2704-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

Processes:

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.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

Processes:

cmd.exesvchost.exePING.EXEÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exesvchost.exeTXPlatforn.exesvchos.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.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

Processes:

PING.EXEcmd.exe

pid	Process
2016	PING.EXE
2816	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2016	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe

pid	Process
1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
2840	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2704	svchost.exe
Token: SeLoadDriverPrivilege	2840	TXPlatforn.exe
Token: 33	2840	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2840	TXPlatforn.exe
Token: 33	2840	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2840	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe

pid	Process
1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 1956 wrote to memory of 2704	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	30
PID 1956 wrote to memory of 2704	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	30
PID 1956 wrote to memory of 2704	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	30
PID 1956 wrote to memory of 2704	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	30
PID 1956 wrote to memory of 2704	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	30
PID 1956 wrote to memory of 2704	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	30
PID 1956 wrote to memory of 2704	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	30
PID 2704 wrote to memory of 2816	2704	svchost.exe	32
PID 2704 wrote to memory of 2816	2704	svchost.exe	32
PID 2704 wrote to memory of 2816	2704	svchost.exe	32
PID 2704 wrote to memory of 2816	2704	svchost.exe	32
PID 1956 wrote to memory of 2624	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	33
PID 1956 wrote to memory of 2624	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	33
PID 1956 wrote to memory of 2624	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	33
PID 1956 wrote to memory of 2624	1956	1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe	33
PID 2660 wrote to memory of 2840	2660	TXPlatforn.exe	34
PID 2660 wrote to memory of 2840	2660	TXPlatforn.exe	34
PID 2660 wrote to memory of 2840	2660	TXPlatforn.exe	34
PID 2660 wrote to memory of 2840	2660	TXPlatforn.exe	34
PID 2660 wrote to memory of 2840	2660	TXPlatforn.exe	34
PID 2660 wrote to memory of 2840	2660	TXPlatforn.exe	34
PID 2660 wrote to memory of 2840	2660	TXPlatforn.exe	34
PID 2816 wrote to memory of 2016	2816	cmd.exe	38
PID 2816 wrote to memory of 2016	2816	cmd.exe	38
PID 2816 wrote to memory of 2016	2816	cmd.exe	38
PID 2816 wrote to memory of 2016	2816	cmd.exe	38
PID 2740 wrote to memory of 2872	2740	svchost.exe	39
PID 2740 wrote to memory of 2872	2740	svchost.exe	39
PID 2740 wrote to memory of 2872	2740	svchost.exe	39
PID 2740 wrote to memory of 2872	2740	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.exe
"C:\Users\Admin\AppData\Local\Temp\1a07f1df21d2c2454be13ef82b21703308f8df86f437f95569f3e6709719c9d1.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:1956
- 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:2704
- - 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:2816
  - - 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:2016
- 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:2624

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:2660
- 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:2840

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:1680

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:2740
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259459349.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2872

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
1.4MB

MD5
e4d8f8f6605c01677fba5a36f17e314a

SHA1
918509c9a974af76e6bb7a80b3549fadcdfd0363

SHA256
a670c3149ee86687224d70609c6c722cbc9326a3b55bec264822ad45f7f1ee59

SHA512
f7a8800788f0d8ce488bbaa832dae3b29456aa72dec415140496b9428aa4035e00d5e24c9d0ed5c480dd3dbad112220c2783a90587e0b2c4d7df4719f4334a27

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
C:\Windows\SysWOW64\TXPlatforn.exe

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259459349.txt

Filesize
50KB

MD5
88cbfd4babcee4e84bf09347a1793387

SHA1
7024dde3be9a8a4e5017888d4dcfd88a63396509

SHA256
20e67f389d2f02a4ef335b90cdc6a274f6eaafd431902fc1b4d5d3de3131c529

SHA512
a5ca4b60598c3b38839a25c99153d888a065eaf9bd2884fbb75bc9f49d01e9594afcf0236c27b4f77a4d9a73d49e76eb36a61c938fe85ec5bb1b308d7e63b48a

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2660-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2660-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2704-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2840-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download