gh0strat | 6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 16:11

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General

Target
6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
Size 4.0MB
Sample240625-tm2pvazdrf
SHA256 6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a
MD5 647827330c0d04651e3b786aca30e7b2
SHA1 1e30f549e55112c77b052161732c066afff89a9b
SHA512 f9c6fa677369821a59f76baeec27a5805ecba9a68377248cdf5ff2e5efee6f2f3154a305aed42e5ded5a330a2c3d4b9922f9f00f12243e9d6c9827c2ee432732
SSDEEP 49152:+CwsbCANnKXferL7Vwe/Gg0P+WhSJDmn2JgLy3v9Sqc348Hj/UejP9:5ws2ANnKXOaeOgmhSJDmn2JgK1STL
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/1312-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1312-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1312-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2088-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2088-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2088-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023581-5.dat	family_gh0strat
behavioral2/memory/1312-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1312-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1312-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2088-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2088-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2088-52-0x0000000010000000-0x00000000101B6000-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\\240603906.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
3308	R.exe
1312	N.exe
3140	TXPlatfor.exe
2088	TXPlatfor.exe
2396	HD_6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
4012	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
3308	R.exe
4036	svchost.exe
4012	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1312-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1312-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1312-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1312-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3140-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2088-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2088-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2088-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240603906.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.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
4320	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2088	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1312	N.exe
Token: SeLoadDriverPrivilege	2088	TXPlatfor.exe
Token: 33	2088	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2088	TXPlatfor.exe
Token: 33	2088	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2088	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 3308	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	83
PID 4812 wrote to memory of 3308	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	83
PID 4812 wrote to memory of 3308	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	83
PID 4812 wrote to memory of 1312	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	87
PID 4812 wrote to memory of 1312	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	87
PID 4812 wrote to memory of 1312	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	87
PID 3140 wrote to memory of 2088	3140	TXPlatfor.exe	90
PID 3140 wrote to memory of 2088	3140	TXPlatfor.exe	90
PID 3140 wrote to memory of 2088	3140	TXPlatfor.exe	90
PID 1312 wrote to memory of 3636	1312	N.exe	91
PID 1312 wrote to memory of 3636	1312	N.exe	91
PID 1312 wrote to memory of 3636	1312	N.exe	91
PID 4812 wrote to memory of 2396	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	92
PID 4812 wrote to memory of 2396	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	92
PID 4812 wrote to memory of 2396	4812	6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe	92
PID 3636 wrote to memory of 4320	3636	cmd.exe	95
PID 3636 wrote to memory of 4320	3636	cmd.exe	95
PID 3636 wrote to memory of 4320	3636	cmd.exe	95
PID 4036 wrote to memory of 4012	4036	svchost.exe	101
PID 4036 wrote to memory of 4012	4036	svchost.exe	101
PID 4036 wrote to memory of 4012	4036	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
"C:\Users\Admin\AppData\Local\Temp\6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4812
- 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:3308
- 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:1312
- - 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:3636
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4320
- C:\Users\Admin\AppData\Local\Temp\HD_6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
  C:\Users\Admin\AppData\Local\Temp\HD_6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
  2⤵
  - Executes dropped EXE
  PID:2396

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3476

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:4036
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240603906.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4012

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3140
- 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:2088

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_6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_6373bae7f1c0bc0dc35c63bce238ecf70e86f347fd83f5edadc36440d48d015a.exe
Size 1.4MB
SHA256 2e17523bc4b8cdddfaef582dadec0aa9030de308c65736f2cd34ccfb870db53d
MD5 968b51d6a674b7feb48f1d7eccad8285
SHA1 b399ada7e9f47796314ea8dd98eb0fb82afce00f
SHA512 2b16bc6cb5fbaa321bdddd3cf042dfe1fd62779850bdeb8691140163849c1867ba5b2cedd45004b0be897c9ac1baa8dfe1a76b9abbd8cb2926f54f58e2acec9a
SSDEEP 24576:DaR6dI6hHhwzCWc4MdN/bM4zYyd+UzQVzVvrdVp1NS7ppuPB1CbxBWOr/dGe0Mp3:AgLy3v9Sqc348Hj/UejP9
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.6MB
SHA256 999a343770df2aeea8d08ed465906e6e6d6b69251743ad6d61fc450bccad8e24
MD5 4818e59cd8a80dd439aae41734b51b08
SHA1 76caffab1b1674b1bf130d670fe43406151973ba
SHA512 69fe0436f8ed1e93aa49acecb541594cf4d1564ddd2cf0afa64cabefa652bcc9df505aa71c5c4d491e3bcf3a574d8b7c778bdf01c77b9b1e7f85e95b0f7b3aaa
SSDEEP 49152:+CwsbCANnKXferL7Vwe/Gg0P+WhSJDmn2L:5ws2ANnKXOaeOgmhSJDmn2L
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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240603906.txt

Path C:\Windows\SysWOW64\240603906.txt
Size 899KB
SHA256 fe468295fbfc29addd334a04aaedaa5672951ab37fee9dba596d3921c0945669
MD5 c2418c33630e0446eebda921a8f7691a
SHA1 ae851c04b8eb28f7c51613eaea8da356db14a0a6
SHA512 01d54ee441bd9210624bccbd74a2aecc493ad8f784280111d96b2a9d4cd00d625f9575052e39b0537d7ed82dae56b2177925341e36392e8a3b41ee84234d4552
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXI:7wqd87VI
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/1312-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1312-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1312-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1312-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2088-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2088-43-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2088-52-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3140-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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