gh0strat | eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23

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, 11:16

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General

Target
eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
Size 6.7MB
Sample240625-ndm77swfma
SHA256 eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23
MD5 683d4cefb28031eb6a1a926fb4180cdf
SHA1 2a44758632a8579817a28da0cfc305acf2ad83ee
SHA512 310c811e910778ecd43f6ec9015b6258df1ed181fd9b97fb9518ed4a6238611cd45d0268e228f3b0bb726556c6f1a38718782ad3b9c23a4a1aa0a4cc4cd2fb5d
SSDEEP 196608:zKXbeO7e4EHn+v9TSN8jILO+5ra3yBQGP+gD40B:Y7e4
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/1412-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1412-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1412-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4964-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4964-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2924-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2924-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2924-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233f2-5.dat	family_gh0strat
behavioral2/memory/1412-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1412-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1412-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4964-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4964-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2924-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2924-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2924-45-0x0000000010000000-0x00000000101B6000-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\\240601125.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
3632	R.exe
1412	N.exe
4964	TXPlatfor.exe
2924	TXPlatfor.exe
3092	HD_eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
1308	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
3632	R.exe
4532	svchost.exe
1308	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1412-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1412-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1412-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1412-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4964-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4964-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4964-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2924-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2924-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2924-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240601125.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	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	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.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
2624	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2924	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1412	N.exe
Token: SeLoadDriverPrivilege	2924	TXPlatfor.exe
Token: 33	2736	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2736	AUDIODG.EXE
Token: 33	2924	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2924	TXPlatfor.exe
Token: 33	2924	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2924	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 3632	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	81
PID 2220 wrote to memory of 3632	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	81
PID 2220 wrote to memory of 3632	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	81
PID 2220 wrote to memory of 1412	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	84
PID 2220 wrote to memory of 1412	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	84
PID 2220 wrote to memory of 1412	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	84
PID 1412 wrote to memory of 3184	1412	N.exe	86
PID 1412 wrote to memory of 3184	1412	N.exe	86
PID 1412 wrote to memory of 3184	1412	N.exe	86
PID 4964 wrote to memory of 2924	4964	TXPlatfor.exe	87
PID 4964 wrote to memory of 2924	4964	TXPlatfor.exe	87
PID 4964 wrote to memory of 2924	4964	TXPlatfor.exe	87
PID 2220 wrote to memory of 3092	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	89
PID 2220 wrote to memory of 3092	2220	eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe	89
PID 3184 wrote to memory of 2624	3184	cmd.exe	90
PID 3184 wrote to memory of 2624	3184	cmd.exe	90
PID 3184 wrote to memory of 2624	3184	cmd.exe	90
PID 4532 wrote to memory of 1308	4532	svchost.exe	92
PID 4532 wrote to memory of 1308	4532	svchost.exe	92
PID 4532 wrote to memory of 1308	4532	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
"C:\Users\Admin\AppData\Local\Temp\eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220
- 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:3632
- 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:1412
- - 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:3184
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2624
- C:\Users\Admin\AppData\Local\Temp\HD_eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
  C:\Users\Admin\AppData\Local\Temp\HD_eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
  2⤵
  - Executes dropped EXE
  PID:3092

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:916

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:4532
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601125.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1308

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4964
- 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:2924

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x304 0x51c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2736

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 20e3f67ad895dfc8d9fd3c0b4e74cf2890cdc8b5081c9cdb314cb2b06608b073
MD5 67cbf10257d322dada6c34bf76471ef9
SHA1 4f00d618f82a87e2f203ef126eb8c94ccefa2d4e
SHA512 9b5e79d08b37d296679a4c64e35709a5b604b1a9a62a3417a6c5008ce64cad5a697259409475a9c7a183b7b95a366b23e5df580aafe0ebd89a12f9ba4238c841
SSDEEP 24576:WCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHx:WCwsbCANnKXferL7Vwe/Gg0P+WhioO
MD5 SHA1 SHA512 SSDEEP

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HD_eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_eab2c174f06ed7685056ee34767030a4c345ecb332274f2f08a1976391114a23.exe
Size 4.1MB
SHA256 fbfc02b6f3701ac0a13d3a68cc14e8727815325e08f3686eb85f36110b813a50
MD5 e54919a0a8a15e4c8d2a69d74003903d
SHA1 24f4654990fa8a72586f6402e580f08029580f15
SHA512 2d5de55584f99bd9ad9709141e0d84a32c274c5b01751be974ead90c9858f40756d73da094d4b2148106437db56f967415ff4f744af9e8b463300bacf44ad26e
SSDEEP 98304:lULF4EuAn+v9TSN8jILO+5ra3yBQGP+gD40BC:s4EHn+v9TSN8jILO+5ra3yBQGP+gD40B
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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Trilian.settings

Path C:\Users\Admin\AppData\Roaming\Trilian\Trilian.settings
Size 332B
SHA256 cadb9c7e03b1627add6f37f924b5be66f97bc0c53c6113fe4f0bcb87d38e84e5
MD5 9ed1ab5ba9d2adecfd3f0f8ee9be6cf8
SHA1 064f1d8936d8c12f15d4e503ae118e81170a963e
SHA512 f5e80554498a2ecb7d50c1922e7a567d9b0cce06b23355e422fff358407087221ec5fa5d1edc28f576a0f4406ec0aa4cde14695aef98cdd5406fee7709c00459
MD5 SHA1 SHA512

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Trilian.settings~RFe57634e.TMP

Path C:\Users\Admin\AppData\Roaming\Trilian\Trilian.settings~RFe57634e.TMP
Size 176B
SHA256 c8899dbcc5bf310211a8a6d4219d6342cac21efac6c4892fb3f734c45c628c52
MD5 429b796ff43ddcdc078bdcd8023378e9
SHA1 2ec5ba2a7104eef0e977971ab948219926873513
SHA512 9e7797cf2a68cb06ea67476c484feae9dbe68c88e4f35534f00a59ac04cf5a612a44e7956120adc32c743550b48dda1349d2d09ffcb07c7fd920c8f8b04f971b
MD5 SHA1 SHA512

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240601125.txt

Path C:\Windows\SysWOW64\240601125.txt
Size 899KB
SHA256 272c5226b717cebf240a84b8c7285d2fbfa84e50e1efe3d3a03dbed0eb0538f0
MD5 2d5e20661652cce395554318754d96d6
SHA1 7d7cc7ee710bb2ba2eaa0aa7bd9097332e6e8cbf
SHA512 2ed4e6ce9b0baebf6fb307bb6fe493dc19a40e5e3b85e51ebc6d9978ee5aacc0913f6fa14d83ba4b762f00101989dd98b994d9297aa698dd4d0f67b8a0d5211a
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXX:7wqd87VX
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/1412-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1412-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1412-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1412-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2924-44-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2924-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2924-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4964-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4964-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4964-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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