gh0strat | 9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 22:05

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General

Target

9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
Size

6.0MB
MD5

2aa31ae266c91c83d9f29ab24314a93e
SHA1

fb5f160936a13375a4c7ea09772c337860cde951
SHA256

9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad
SHA512

988b8620a15a3b197c2ba6dd681938a9115c8a91eb7071079274aca67bd69bec921570936e2773b65779eb48918e158eedddd8830f72e346dc7b366ee87dfab1
SSDEEP

98304:zGdVyVT9nOgmhbPRzWLFEOEOomdZ4B/bF0DdANJ7AAgPj:QWT9nO7nzoL5omvyWOO

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
behavioral1/memory/2600-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1732-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1732-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2060-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2060-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2060-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2600-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1732-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1732-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000014179-33.dat	family_gh0strat
behavioral1/memory/2060-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2060-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2060-45-0x0000000010000000-0x00000000101B6000-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	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\\259395748.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
2600	svchost.exe
1732	TXPlatforn.exe
2704	svchos.exe
2060	TXPlatforn.exe
2868	HD_9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
2156	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
1732	TXPlatforn.exe
2704	svchos.exe
2932	svchost.exe
2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
2932	svchost.exe
2156	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1732-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1732-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2060-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

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\259395748.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

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	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.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
2524	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2060	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2600	svchost.exe
Token: SeLoadDriverPrivilege	2060	TXPlatforn.exe
Token: 33	2060	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2060	TXPlatforn.exe
Token: 33	2060	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2060	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2600	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	28
PID 2916 wrote to memory of 2600	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	28
PID 2916 wrote to memory of 2600	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	28
PID 2916 wrote to memory of 2600	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	28
PID 2916 wrote to memory of 2600	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	28
PID 2916 wrote to memory of 2600	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	28
PID 2916 wrote to memory of 2600	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	28
PID 2600 wrote to memory of 2412	2600	svchost.exe	30
PID 2600 wrote to memory of 2412	2600	svchost.exe	30
PID 2600 wrote to memory of 2412	2600	svchost.exe	30
PID 2600 wrote to memory of 2412	2600	svchost.exe	30
PID 2916 wrote to memory of 2704	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	32
PID 2916 wrote to memory of 2704	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	32
PID 2916 wrote to memory of 2704	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	32
PID 2916 wrote to memory of 2704	2916	9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe	32
PID 1732 wrote to memory of 2060	1732	TXPlatforn.exe	33
PID 1732 wrote to memory of 2060	1732	TXPlatforn.exe	33
PID 1732 wrote to memory of 2060	1732	TXPlatforn.exe	33
PID 1732 wrote to memory of 2060	1732	TXPlatforn.exe	33
PID 1732 wrote to memory of 2060	1732	TXPlatforn.exe	33
PID 1732 wrote to memory of 2060	1732	TXPlatforn.exe	33
PID 1732 wrote to memory of 2060	1732	TXPlatforn.exe	33
PID 2412 wrote to memory of 2524	2412	cmd.exe	36
PID 2412 wrote to memory of 2524	2412	cmd.exe	36
PID 2412 wrote to memory of 2524	2412	cmd.exe	36
PID 2412 wrote to memory of 2524	2412	cmd.exe	36
PID 2932 wrote to memory of 2156	2932	svchost.exe	39
PID 2932 wrote to memory of 2156	2932	svchost.exe	39
PID 2932 wrote to memory of 2156	2932	svchost.exe	39
PID 2932 wrote to memory of 2156	2932	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
"C:\Users\Admin\AppData\Local\Temp\9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:2412
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2524
- 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
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\HD_9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe
  2⤵
  - Executes dropped EXE
  PID:2868

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732
- 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:2060

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2672

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395748.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2156

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

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
1.7MB

MD5
5262cf282df29b3d895e4502dacc165f

SHA1
c184887788de3ccd5fae9358b176ad0278c4e8b6

SHA256
f5720e830841934bbdbfe483f7842aef6638dc3a7e0577ec35ffc9fdc8c7e520

SHA512
bb2880b95ccc215a8bdd4371d214af2e6801f89cf83f3ed780432cd6376cf44239117b4cb9fea46136e593673d01bc36fdd06774291ffbec275a9ff5574bcfaf

Download Submit
\Users\Admin\AppData\Local\Temp\HD_9a7bcdef1d87a5b9341e1b726c196af4881a5e11b178ae4884f8bf2a373ac7ad.exe

Filesize
4.3MB

MD5
880072535323dfa4f7e060999136dded

SHA1
537c5051199bb2cf8552a0aa22156ae54abb2deb

SHA256
a192bcd2926df47adf285b8396e3761267fb097eb79797267cd19da2311586c0

SHA512
fb8aa0f5cdd0fd6b64da45b208496fc68232db5b71bdbc1adb5b2b9fa8358251af8950df62a0bbf24b6a7c5a7ea818c402542c47f567ba86cb2b1eb79ad16aba

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259395748.txt

Filesize
50KB

MD5
49049243aece37c6506c7892f26c915a

SHA1
745c184fd2d82026166ea8dada4e3b31103f58ce

SHA256
5f7727c4c2561d802dcb9cd56c88b79df741a50997069a197d2744939571f9cf

SHA512
752c2def127ba115e564efad4fd1b71ca63a5c18a38431a86fb7d0e3f84b748e0d4f86a0a36b10c73b8efe2d489b73f112df4dd0f007adc0d37509a36d2af483

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1732-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1732-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2060-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download