gh0strat | 5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 04:25

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General

Target
5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
Size 5.3MB
Sample240526-e2cxpseh3x
SHA256 5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb
MD5 302637ac6d0cf20d45fe6663c835b961
SHA1 7f73c862014a3948784e2969645d12f624404c01
SHA512 2928455bc86dd93e0587bb8b99047b87d75fc01c974b26bc7cf7de085c3b2f237078485d1388e2482b5020eeac58060d9d822556901a57a273775a7b3180d238
SSDEEP 98304:hGdVyVT9nOgmhNUty9VBEkPbN6XXR8yS6k7u4IUWKPGeJUty9VBEkP3YRz7xPNIt:eWT9nO73Uty9VBEkPhCXR8H7u5U1PtJ3
MD5 SHA1 SHA512 SSDEEP

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/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2596-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2596-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015d9c-38.dat	family_gh0strat
behavioral1/memory/2716-40-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259398868.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
2680	svchost.exe
2596	TXPlatforn.exe
2716	TXPlatforn.exe
2712	svchos.exe
1052	HD_5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
2180	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
2596	TXPlatforn.exe
2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
2712	svchos.exe
2472	svchost.exe
2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
2472	svchost.exe
2180	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/2680-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2596-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259398868.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
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.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	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.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
2460	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2716	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2680	svchost.exe
Token: SeLoadDriverPrivilege	2716	TXPlatforn.exe
Token: 33	2716	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2716	TXPlatforn.exe
Token: 33	2716	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2716	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2680	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	28
PID 2172 wrote to memory of 2680	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	28
PID 2172 wrote to memory of 2680	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	28
PID 2172 wrote to memory of 2680	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	28
PID 2172 wrote to memory of 2680	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	28
PID 2172 wrote to memory of 2680	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	28
PID 2172 wrote to memory of 2680	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	28
PID 2680 wrote to memory of 2548	2680	svchost.exe	30
PID 2680 wrote to memory of 2548	2680	svchost.exe	30
PID 2680 wrote to memory of 2548	2680	svchost.exe	30
PID 2680 wrote to memory of 2548	2680	svchost.exe	30
PID 2596 wrote to memory of 2716	2596	TXPlatforn.exe	31
PID 2596 wrote to memory of 2716	2596	TXPlatforn.exe	31
PID 2596 wrote to memory of 2716	2596	TXPlatforn.exe	31
PID 2596 wrote to memory of 2716	2596	TXPlatforn.exe	31
PID 2596 wrote to memory of 2716	2596	TXPlatforn.exe	31
PID 2596 wrote to memory of 2716	2596	TXPlatforn.exe	31
PID 2596 wrote to memory of 2716	2596	TXPlatforn.exe	31
PID 2172 wrote to memory of 2712	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	33
PID 2172 wrote to memory of 2712	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	33
PID 2172 wrote to memory of 2712	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	33
PID 2172 wrote to memory of 2712	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	33
PID 2548 wrote to memory of 2460	2548	cmd.exe	34
PID 2548 wrote to memory of 2460	2548	cmd.exe	34
PID 2548 wrote to memory of 2460	2548	cmd.exe	34
PID 2548 wrote to memory of 2460	2548	cmd.exe	34
PID 2172 wrote to memory of 1052	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	37
PID 2172 wrote to memory of 1052	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	37
PID 2172 wrote to memory of 1052	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	37
PID 2172 wrote to memory of 1052	2172	5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe	37
PID 2472 wrote to memory of 2180	2472	svchost.exe	38
PID 2472 wrote to memory of 2180	2472	svchost.exe	38
PID 2472 wrote to memory of 2180	2472	svchost.exe	38
PID 2472 wrote to memory of 2180	2472	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
"C:\Users\Admin\AppData\Local\Temp\5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172
- 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:2680
- - 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:2548
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2460
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\HD_5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
  C:\Users\Admin\AppData\Local\Temp\HD_5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
  2⤵
  - Executes dropped EXE
  PID:1052

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2596
- 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:2716

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:1736

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:2472
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259398868.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2180

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

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_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.5MB
SHA256 50bd8f07425d307b0a02ef39c1a388426acfabba91f261868ca1d1527baf2c29
MD5 4eae6f394aa981542a565a2262a8a70c
SHA1 60362c4e6559a88ad480ae2a0ebdb0e192d09433
SHA512 45a8faf138e1e71d809d87a8bca39bc4b4b19d7d09731a663cb7ec9dc820caf5acffa0563e9b1e6fcf125e2c318b384d40db0a9b3b7b4323ab0eda3445ffe46c
SSDEEP 49152:IQZAdVyVT9n/Gg0P+Who2Uty9VBEkvYQbN6XXH:hGdVyVT9nOgmhNUty9VBEkPbN6XXH
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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HD_5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe

Path \Users\Admin\AppData\Local\Temp\HD_5513ce49b50a085b736704f144d2b173ee50951c197878aa8378dceca029cedb.exe
Size 3.7MB
SHA256 b237c2de26a3d4d435068c93ff74e77ba66a62028f6ced58e416c5b7f1c9bcb5
MD5 2ca13048809501b4096bbbaa6057d74e
SHA1 1b4d46c1158fdecca3fef34411fc3abacffda7a4
SHA512 d20c544e5bd080c3d594ae0d35e874a4050b0c38aa6c1bf0769c6ca715bf3fc1fe37d42308386e192f942a7ae79d6e43f439ec2c609ea72c5462ef63e3f9ec8d
SSDEEP 98304:a8yS6k7u4IUWKPGeJUty9VBEkP3YRz7xPNIC/+:a8H7u5U1PtJUty9VBEkPoREt
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path \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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259398868.txt

Path \Windows\SysWOW64\259398868.txt
Size 50KB
SHA256 82054955bca8cd023a4f145f1637e9efcbca5df8421baefd8850a3bd99b02eac
MD5 9950e034f845119f7f1b76e44a646540
SHA1 64b5bd33c45ce97d4890b9d49834bd37f4d2d235
SHA512 dfe9c69c97f6811f44d261ebb06d22537c61b95fe8e7456ebb88e56cba561c2737000ad01bb5cfc98cbb3a0a99ccb10a38a7ea9ec3fb2165a99536a700c43710
SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5LJYH:W5ReWjTrW9rNPgYoVJYH
MD5 SHA1 SHA512 SSDEEP

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Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Path \Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Size 43KB
SHA256 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
MD5 51138beea3e2c21ec44d0932c71762a8
SHA1 8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA512 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
SSDEEP 768:mD+ellQvZSazSRqbSEln5IyYpamDjobj8SpM:E+QWvZhSRqln5IUmDjoXV
MD5 SHA1 SHA512 SSDEEP

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memory/1052-52-0x0000000000400000-0x00000000007C1000-memory.dmp

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memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2596-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2680-5-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2716-35-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2716-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2716-32-0x0000000010000000-0x00000000101B6000-memory.dmp

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