gh0strat | a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d

Analysis

max time kernel
150s
max time network
146s
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, 14:58

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General

Target
a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
Size 3.5MB
Sample240625-scdplazbnm
SHA256 a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d
MD5 88dbad5eb6004029276a5a17818e0ca2
SHA1 2929f3f35b80da2f9f65ae71cf17ae781a7c222d
SHA512 56b946e4c095c2660903cdfa8ba19e04cb4c998aa7e588b11c80cb8bfb70bb6d8e5c828aef1494096e5ece4816d185cbd7f0d779534884811881262d7cfb5498
SSDEEP 49152:XCwsbCANnKXferL7Vwe/Gg0P+WhSpQuJRosCrB2VPLGFF1J+u:Sws2ANnKXOaeOgmh8QuJRCrBWi
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
behavioral2/memory/1692-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1692-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1692-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/220-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4964-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4964-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4964-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023427-5.dat	family_gh0strat
behavioral2/memory/1692-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1692-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1692-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/220-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/220-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4964-52-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4964-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4964-57-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240601250.txt"	R.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"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

pid	Process
2256	R.exe
1692	N.exe
220	TXPlatfor.exe
1628	HD_a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
4964	TXPlatfor.exe
1040	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2256	R.exe
3984	svchost.exe
1040	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1692-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1692-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1692-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1692-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/220-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4964-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4964-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4964-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240601250.txt	R.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.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
948	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4964	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1692	N.exe
Token: SeLoadDriverPrivilege	4964	TXPlatfor.exe
Token: 33	4964	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4964	TXPlatfor.exe
Token: 33	4964	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4964	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2256	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	81
PID 2464 wrote to memory of 2256	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	81
PID 2464 wrote to memory of 2256	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	81
PID 2464 wrote to memory of 1692	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	84
PID 2464 wrote to memory of 1692	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	84
PID 2464 wrote to memory of 1692	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	84
PID 1692 wrote to memory of 4644	1692	N.exe	86
PID 1692 wrote to memory of 4644	1692	N.exe	86
PID 1692 wrote to memory of 4644	1692	N.exe	86
PID 2464 wrote to memory of 1628	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	87
PID 2464 wrote to memory of 1628	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	87
PID 2464 wrote to memory of 1628	2464	a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe	87
PID 220 wrote to memory of 4964	220	TXPlatfor.exe	88
PID 220 wrote to memory of 4964	220	TXPlatfor.exe	88
PID 220 wrote to memory of 4964	220	TXPlatfor.exe	88
PID 4644 wrote to memory of 948	4644	cmd.exe	90
PID 4644 wrote to memory of 948	4644	cmd.exe	90
PID 4644 wrote to memory of 948	4644	cmd.exe	90
PID 3984 wrote to memory of 1040	3984	svchost.exe	91
PID 3984 wrote to memory of 1040	3984	svchost.exe	91
PID 3984 wrote to memory of 1040	3984	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
"C:\Users\Admin\AppData\Local\Temp\a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2256
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1692
- - 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\N.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4644
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:948
- C:\Users\Admin\AppData\Local\Temp\HD_a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
  2⤵
  - Executes dropped EXE
  PID:1628

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4312

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601250.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1040

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:4964

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_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.6MB
SHA256 6e0c72162a156c66eaeaf0737f9b2d4fb270379ebe1cc641661db49437ec3ecb
MD5 9786d1811b02d196ef25a0e9997fedac
SHA1 8c178e587fd3037fe64543eef9e2ab4f3c66b199
SHA512 4c94708f4350dcdd5859f0266d2f55b08dec0c19b3b986e87a140f66217dc6e046321d2b6d4f19a92e8b41691b805c62f69097bfa2f7fb8db6a7e7d4c188840e
SSDEEP 24576:XCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH5:XCwsbCANnKXferL7Vwe/Gg0P+WhSpQuB
MD5 SHA1 SHA512 SSDEEP

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HD_a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_a8782a84746901296e08b712130ae2a89a3518934348a80db6e27d2670fa850d.exe
Size 912KB
SHA256 e35fcb714702a7c711719c4b93dc947aff9ed0e6dc6b95e105459f88703ef646
MD5 0b2adc1059b118a478c1b0272bf8284a
SHA1 53e6e08cd6cb2b6ae1a3cabbc9ee75eff10a821a
SHA512 6eb6c0986ebfa3a7e75e762bb9a399e307983733506af0f3ac54e598667265b35e4451d0ea9f2cfb8a09c643af1ca941c53b5d1d1c7f3f5989601e3cada4c09f
SSDEEP 24576:EpPBRvNovsmsGGk9RaKXGVPLinFF1J+u:YRosCrB2VPLGFF1J+u
MD5 SHA1 SHA512 SSDEEP

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N.exe

Path C:\Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

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R.exe

Path C:\Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

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240601250.txt

Path C:\Windows\SysWOW64\240601250.txt
Size 899KB
SHA256 6920a9e30b4769ab67860f1e29b20149dc07eac1671f859dde5c7d7453db9121
MD5 e67fb175e6563b8b27da45bacdd75080
SHA1 7df028f67f462e64a90a0ca7732880ee68792d6f
SHA512 c41e389cc00467d9e9b2b712cbdb747205fac086430949e3844062fd892afc85599a5a0fbcb96a8aafb02a4e019b4b0d844350ff4df234e47e66cd85dfe6df38
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXr:7wqd87Vr
MD5 SHA1 SHA512 SSDEEP

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Remote Data.exe

Path C:\Windows\SysWOW64\Remote Data.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/220-27-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/220-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/220-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1692-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1692-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1692-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1692-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4964-52-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4964-55-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4964-57-0x0000000010000000-0x00000000101B6000-memory.dmp

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