gh0strat | 7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8

Analysis

max time kernel
150s
max time network
150s
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, 14:29

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General

Target
7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
Size 8.1MB
Sample240625-rtp9aavglb
SHA256 7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8
MD5 5203ae3e468c6b8b2e8ebc8412598628
SHA1 070573fd3e3ad5e57ad2de77b84f0b5f06543f3d
SHA512 770383e4115c252586f4e122f898cd17686885ce5fec3d09ff45177231a2fc47560d59d1c3ef3f93a3c3dc6ae049db600ef02d2c24e81961c9ccf4f03af9fd23
SSDEEP 98304:7ws2ANnKXOaeOgmhHAgVXJzvJB90SQcGc4E9PjKjT5QZvG0NDxxhJBAUZLV3:dKXbeO71XHvvvpXe8G0N9xhJVB
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/3004-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3004-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3004-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2988-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2988-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3972-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233f5-5.dat	family_gh0strat
behavioral2/memory/3004-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3004-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3004-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2988-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2988-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3972-51-0x0000000010000000-0x00000000101B6000-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\\240601281.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
2552	R.exe
3004	N.exe
2988	TXPlatfor.exe
3972	TXPlatfor.exe
4908	HD_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
2284	Remote Data.exe

Loads dropped DLL 4 IoCs

pid	Process
2552	R.exe
2116	svchost.exe
4908	HD_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
2284	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3004-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3004-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3004-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3004-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2988-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2988-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2988-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3972-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240601281.txt	R.exe
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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.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
2932	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3972	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3004	N.exe
Token: SeLoadDriverPrivilege	3972	TXPlatfor.exe
Token: 33	3972	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3972	TXPlatfor.exe
Token: 33	3972	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3972	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
4908	HD_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
4908	HD_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 2552	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	80
PID 4076 wrote to memory of 2552	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	80
PID 4076 wrote to memory of 2552	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	80
PID 4076 wrote to memory of 3004	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	83
PID 4076 wrote to memory of 3004	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	83
PID 4076 wrote to memory of 3004	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	83
PID 3004 wrote to memory of 4560	3004	N.exe	85
PID 3004 wrote to memory of 4560	3004	N.exe	85
PID 3004 wrote to memory of 4560	3004	N.exe	85
PID 2988 wrote to memory of 3972	2988	TXPlatfor.exe	86
PID 2988 wrote to memory of 3972	2988	TXPlatfor.exe	86
PID 2988 wrote to memory of 3972	2988	TXPlatfor.exe	86
PID 4076 wrote to memory of 4908	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	87
PID 4076 wrote to memory of 4908	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	87
PID 4076 wrote to memory of 4908	4076	7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe	87
PID 4560 wrote to memory of 2932	4560	cmd.exe	89
PID 4560 wrote to memory of 2932	4560	cmd.exe	89
PID 4560 wrote to memory of 2932	4560	cmd.exe	89
PID 2116 wrote to memory of 2284	2116	svchost.exe	91
PID 2116 wrote to memory of 2284	2116	svchost.exe	91
PID 2116 wrote to memory of 2284	2116	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
"C:\Users\Admin\AppData\Local\Temp\7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4076
- 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:2552
- 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:3004
- - 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:4560
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2932
- C:\Users\Admin\AppData\Local\Temp\HD_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
  C:\Users\Admin\AppData\Local\Temp\HD_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:4908

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3048

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:2116
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601281.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2284

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2988
- 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:3972

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_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_7c1466cd136dd2dc25b6c923826417f941dffb16232ba71e57c19969261cf4a8.exe
Size 5.8MB
SHA256 25b33b68a9b31ed15d3df7117d821aab5f9f3fa286b681320a5084d8f253d230
MD5 df332eacc76cd72bc4425a3c5dcc1b46
SHA1 4aeb0ece20f1535930c246c5b7d8661d15d999df
SHA512 5e210fb63a65d600e8bdefd59d3ebf5239b7fd09305a7547f50377e835b64f9b8c3bb577b0334ad8f075429c42c5ecb21f8026f81b937dbae2f306b0dce3d48a
SSDEEP 98304:agVXJzvJB90SQcGc4E9PjKjT5QZvG0NDxxhJBAUZLV3:NHvvvpXe8G0N9xhJVB
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.3MB
SHA256 c18184e8ca44e40229440e01ef74684792e192c0df774b92ebd7517aa95a91a3
MD5 f4f85f60d5bb0d073fd63a5ff9346a80
SHA1 e773095911d25a0ce5f7f56184d6148515e44b25
SHA512 e9c0754a4b6a34039613c624eb733e34854700dd091d9e6f9b23d285d06ae9faa9f27afaf23445fb4031d952c6ae03a2245eef784fa1daca52ff188c7911567b
SSDEEP 24576:vjwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHD:vjwsbCANnKXferL7Vwe/Gg0P+WhH4
MD5 SHA1 SHA512 SSDEEP

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HPSocket4C.dll

Path C:\Users\Admin\AppData\Local\Temp\HPSocket4C.dll
Size 2.8MB
SHA256 72f2ab23ff9895118114d16faddd1b59b8d6d9a9a2f6792290671b6c21ed704f
MD5 4c8066482756bd927aff4cf1df9aa5a6
SHA1 9830f4bbf827c3b0179a94e70d275dbf819fdfc6
SHA512 40531913516c9c684b5c1f1508f39498d1a89aec07774965926ef5f563ead9d3c00cb218f3f7e9febd0e773cbd2c35559eb2e1732f8a8e798691989e565123c6
SSDEEP 49152:iC1oYP3SALm4EYXcPjKmoTlOfKig1yZvGZTTlAczp8Dx9RZ5ghNK4NR0:iGc4E9PjKjT5QZvG0NDxx
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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peizhi.dll

Path C:\Users\Admin\AppData\Local\Temp\peizhi.dll
Size 59B
SHA256 fbe66a147ab5fdfcea50826841c7ee3274bc6d8972a8a85ba8a8c708eb248929
MD5 885d6f012fe192b1a3aec756110f4f41
SHA1 57809aed6f31c660908d9a1f67bf8d2c0e085bc0
SHA512 67b7e212b5cb3b3fed1b5df9aa6dd7811a844a42d48d44258930b6ed415bce0328b8915c8f1d2b226ececb930129d3d577996bc4b4b71d163118fa37462e36f8
MD5 SHA1 SHA512

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peizhi.dll

Path C:\Users\Admin\AppData\Local\Temp\peizhi.dll
Size 112B
SHA256 e2afa94f5262fdb3844f74dc1cd6259f9f75f547e3b08e8432a9bd3390897d2f
MD5 577bcf1c8b05aec42c25f977f75d946c
SHA1 d1bc02398cfd838d116b595d67443dcde99648f9
SHA512 ee88fea6fb81641f6f5dab255bddc1148e90f75aa5945b129ac3275fd4541c267564f3a03cfd2a346a921c5d2e407f9eb91538677350f8caec5ee328fb9675b9
MD5 SHA1 SHA512

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240601281.txt

Path C:\Windows\SysWOW64\240601281.txt
Size 899KB
SHA256 d1019c814bf8a39d677bcfa1931767d9e5f8eb7115c38d05a3095cc78efaddaa
MD5 a137575f8414305588f7a56318b5b466
SHA1 1dc441523f980a84f6f4f15c15b4e4d94fae300f
SHA512 1883c0af74a55dddb4628724ebb6a4edc8c1f99caa770463dc42f7bdd536093e92acd123f4bf6d185ab751c7e631f3a95e305b55baec2d30a0658514c4fe7c51
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXf:7wqd87Vf
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/2988-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2988-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2988-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3004-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3972-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3972-51-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3972-41-0x0000000010000000-0x00000000101B6000-memory.dmp

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