gh0strat | cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645

General

Target

cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
Size

4.8MB
MD5

ca9568a4721b4b4935a3ee24fcce5a02
SHA1

a6d20cb2399e9c7fbf967125420d23ef085f58e3
SHA256

cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645
SHA512

a40c9134763ced3b9bf8097780cee239d82d7f7ac3a10916a547781a1341db5a913ac7513f523a91bf00a5802cea0305c682779d0a2e7320d0c32b1dc18dde12
SSDEEP

49152:cQZAdVyVT9n/Gg0P+WhoSvfKsbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4Q:dGdVyVT9nOgmhOsbXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/5092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5092-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5092-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3188-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3188-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3188-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4420-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral2/memory/5092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5092-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5092-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3188-15-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3188-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3188-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3188-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/files/0x00070000000233f2-28.dat	family_gh0strat
behavioral2/memory/4420-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4420-43-0x0000000010000000-0x00000000101B6000-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\\240607906.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
5092	svchost.exe
3188	TXPlatforn.exe
2492	svchos.exe
4420	TXPlatforn.exe
4228	HD_cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
100	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 3 IoCs

pid	Process
2492	svchos.exe
3096	svchost.exe
100	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/5092-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5092-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5092-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3188-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4420-43-0x0000000010000000-0x00000000101B6000-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\240607906.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 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.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
956	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4420	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5092	svchost.exe
Token: SeLoadDriverPrivilege	4420	TXPlatforn.exe
Token: 33	4420	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4420	TXPlatforn.exe
Token: 33	4420	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	4420	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 5092	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	81
PID 3068 wrote to memory of 5092	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	81
PID 3068 wrote to memory of 5092	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	81
PID 5092 wrote to memory of 4868	5092	svchost.exe	83
PID 5092 wrote to memory of 4868	5092	svchost.exe	83
PID 5092 wrote to memory of 4868	5092	svchost.exe	83
PID 3068 wrote to memory of 2492	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	84
PID 3068 wrote to memory of 2492	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	84
PID 3068 wrote to memory of 2492	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	84
PID 3188 wrote to memory of 4420	3188	TXPlatforn.exe	85
PID 3188 wrote to memory of 4420	3188	TXPlatforn.exe	85
PID 3188 wrote to memory of 4420	3188	TXPlatforn.exe	85
PID 4868 wrote to memory of 956	4868	cmd.exe	90
PID 4868 wrote to memory of 956	4868	cmd.exe	90
PID 4868 wrote to memory of 956	4868	cmd.exe	90
PID 3068 wrote to memory of 4228	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	89
PID 3068 wrote to memory of 4228	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	89
PID 3068 wrote to memory of 4228	3068	cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe	89
PID 3096 wrote to memory of 100	3096	svchost.exe	91
PID 3096 wrote to memory of 100	3096	svchost.exe	91
PID 3096 wrote to memory of 100	3096	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
"C:\Users\Admin\AppData\Local\Temp\cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- 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:5092
- - 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:4868
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:956
- 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:2492
- C:\Users\Admin\AppData\Local\Temp\HD_cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
  C:\Users\Admin\AppData\Local\Temp\HD_cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe
  2⤵
  - Executes dropped EXE
  PID:4228

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3188
- 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:4420

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:4156

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:3096
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240607906.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.8MB

MD5
a3bb48e404439891ded83db23571d251

SHA1
ad0c78d25af545091493a749436cdfb66ef8d82a

SHA256
7623b24f8e55d3c3bbfe4dad24221108de4f8c63eca8193cb5326a1aca1e065d

SHA512
c68ac5c7ae7197137c454baa657d60aa916787247dffe620a08fd9ca0e2538c1b42661b22cb84e58d364e26b1885127ef933c57041478a54f3cabdee93baf6bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.5MB

MD5
80981c220d791c5b3fa31d750b031d68

SHA1
d20c5171a4b0614c88881504adb1e804c2479e81

SHA256
4827184fb274f40a04d8b57359c9b5b982720d9b4a00f2f379039f8d60d7cd77

SHA512
643eb06c8a289250fa7ea2cbb04458bcb901116168138e99533f153df547314608c8eb7771d2265ba58ca31ae1079189aeed295ef83b489316f5298fe867d9b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_cbfb5692399084c8c577ebcaaeb23573abad57cd543a2c16e69159cd9e239645.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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\240607906.txt

Filesize
50KB

MD5
f3ebf8f7b6eed439663aada11c4ccda8

SHA1
03c0a41982d82d56cb0e27f8397590ce5aa1ef6c

SHA256
b81f46856a7e02b658631a792b2253df758fc032db0165f287603f97b57ad0a1

SHA512
8fb500288a4303c85e1b0a9223b442b0a2c36f061bd03310a5a6e8ddf67e522d696e61dd0f8f4902c88e1adf0e5bd18415779ca0675b896fa39ce23733c9b6e3

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3188-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3188-15-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3188-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3188-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3188-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4420-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5092-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5092-10-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5092-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5092-4-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads