gh0strat | 67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 12:12

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General

Target
67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
Size 2.4MB
Sample240625-pdcbdasblq
SHA256 67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f
MD5 8203b28a89138045ab70adf88dfa7892
SHA1 9508bcad5cb6da8d5dfed2f81b2f4ccbb94c4a07
SHA512 d83fb653a99490f070eba378559715cbc1164036b27ae4fc2f2c9f7d56b622e4eb511b50a595f90b647b1f3efa1ea000f13cd05b92f027b56f18daeb359236be
SSDEEP 49152:LQZAdVyVT9n/Gg0P+WhoLJDmn2W0YZZuOZ:cGdVyVT9nOgmhWJDmn2W0YZZuo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/1020-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1020-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1020-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1876-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1876-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1876-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5036-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5036-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1876-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/1020-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1020-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1020-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1876-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1876-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1876-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5036-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x0007000000023411-30.dat	family_gh0strat
behavioral2/memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5036-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5036-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1876-28-0x0000000010000000-0x00000000101B6000-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\\240618296.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
1020	svchost.exe
1876	TXPlatforn.exe
5036	TXPlatforn.exe
4460	svchos.exe
1440	HD_67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
1464	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
4460	svchos.exe
3248	svchost.exe
1464	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1020-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1020-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1020-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1020-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1876-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1876-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1876-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5036-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5036-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5036-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1876-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1876-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\240618296.txt	svchos.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.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
2916	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5036	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1020	svchost.exe
Token: SeLoadDriverPrivilege	5036	TXPlatforn.exe
Token: 33	5036	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	5036	TXPlatforn.exe
Token: 33	5036	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	5036	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 1020	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	81
PID 1256 wrote to memory of 1020	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	81
PID 1256 wrote to memory of 1020	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	81
PID 1020 wrote to memory of 3164	1020	svchost.exe	83
PID 1020 wrote to memory of 3164	1020	svchost.exe	83
PID 1020 wrote to memory of 3164	1020	svchost.exe	83
PID 1876 wrote to memory of 5036	1876	TXPlatforn.exe	84
PID 1876 wrote to memory of 5036	1876	TXPlatforn.exe	84
PID 1876 wrote to memory of 5036	1876	TXPlatforn.exe	84
PID 1256 wrote to memory of 4460	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	85
PID 1256 wrote to memory of 4460	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	85
PID 1256 wrote to memory of 4460	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	85
PID 1256 wrote to memory of 1440	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	89
PID 1256 wrote to memory of 1440	1256	67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe	89
PID 3164 wrote to memory of 2916	3164	cmd.exe	90
PID 3164 wrote to memory of 2916	3164	cmd.exe	90
PID 3164 wrote to memory of 2916	3164	cmd.exe	90
PID 3248 wrote to memory of 1464	3248	svchost.exe	91
PID 3248 wrote to memory of 1464	3248	svchost.exe	91
PID 3248 wrote to memory of 1464	3248	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
"C:\Users\Admin\AppData\Local\Temp\67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1256
- 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:1020
- - 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:3164
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2916
- 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:4460
- C:\Users\Admin\AppData\Local\Temp\HD_67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
  C:\Users\Admin\AppData\Local\Temp\HD_67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
  2⤵
  - Executes dropped EXE
  PID:1440

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1876
- 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:5036

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:3804

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:3248
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240618296.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1464

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

HD_67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_67021f91d9993569528a2a1a6a48e4f2befbf8ca610d5e7ab605a652ff283a9f.exe
Size 831KB
SHA256 f8094fa3707d12aaf43ad7761569bd905e518d74b40f2e2f9e3316af6483cfb1
MD5 5ae9341a35001267150372477b31450c
SHA1 293369b6c0903f73285b672d085b9d1087e94a94
SHA512 a0768fa73d30a7725e0a5b1ae5db0712029bdabc4cef9f541e973a34c9e45e3d7ecb73de5d5b0441d924c13b7ca09580d38e4fc16ab3edde9ff632e5b84a2102
SSDEEP 12288:GGvvItZ+ZmtZOkBsdmfFFcxhNbBaOAN1OzQBkf0vyC2ZuCkeyI:yt2LJhNCN1YfhZuCHyI
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.6MB
SHA256 a4c9a9270f7625f7b15913c7e2eb0647a6c5e42ed763760c68c40159ab43e42e
MD5 6d3f04529c14e407ef5f6c687b3b023d
SHA1 50c45abdc66e646092534a525ce37c377891f44e
SHA512 ace3bde8ce932d3c71ba189c2c470d64bc96d9a8cf38cb3484019c35a767e958e04baebbd272d7f5c7eae5abf12ea3b3be38282522d1d9a72335514a19f0eaef
SSDEEP 24576:LQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV1NMNdV1Dfun2z:LQZAdVyVT9n/Gg0P+WhoLJDmn2z
MD5 SHA1 SHA512 SSDEEP

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svchos.exe

Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
Size 93KB
SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
MD5 3b377ad877a942ec9f60ea285f7119a2
SHA1 60b23987b20d913982f723ab375eef50fafa6c70
SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
SSDEEP 1536:ktbE7m8nNEQ2O6ReWMWfPbp2WTrW9L3JPPgJ+o5FJYHvh/P6:Bm+2LReWjTrW9rNPgYoTJYHvh
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
Size 377KB
SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
MD5 a4329177954d4104005bce3020e5ef59
SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YgL7:HclcceBKlKwAg0Mja/UafOVwbhF
MD5 SHA1 SHA512 SSDEEP

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240618296.txt

Path C:\Windows\SysWOW64\240618296.txt
Size 50KB
SHA256 5979fb8d446d17504bcd4ac612ac3267dc24939ad64a87c2fa6cb7c94dcf0103
MD5 6a4fba21c878c7616c867fed21bb1e86
SHA1 7159bb34d8f7856f5dc65ff3a42eaa0cc780271f
SHA512 510d21748f77613334e89b4f63f1734026250f8e0cf7a7d055af0fe785ba483284344577b2ad6662bb8b695edf034997cca661681ae9a11541a317af99c2c1fc
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5sJYH:W5ReWjTrW9rNPgYo6JYH
MD5 SHA1 SHA512 SSDEEP

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Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/1020-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1020-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1020-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1020-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1876-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1876-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1876-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1876-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1876-14-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5036-22-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5036-48-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5036-47-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5036-37-0x0000000010000000-0x00000000101B6000-memory.dmp

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