gh0strat | 72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc

Analysis

max time kernel
150s
max time network
142s
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, 17:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe
Size 2.4MB
Sample240625-v2veratalf
SHA256 72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc
MD5 cc1706f77f09932c7673821fb6f8e726
SHA1 537819ce72bd8a95c4185dce1a4faf32814cd631
SHA512 5dc366f740540afd1ba9eca6303906747101a681ef0633b82bbb1baed3015a9f5c0da003e21e2f03e9f3a774e65eb9e50baf45c14c9623b288be8fe1db060620
SSDEEP 24576:mCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHP:mCwsbCANnKXferL7Vwe/Gg0P+Whcic
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/3628-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3628-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1180-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1180-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1180-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00090000000233a1-5.dat	family_gh0strat
behavioral2/memory/3628-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3628-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1180-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1180-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1180-41-0x0000000010000000-0x00000000101B6000-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\\240642734.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 5 IoCs

pid	Process
2312	R.exe
3628	N.exe
1936	TXPlatfor.exe
1180	TXPlatfor.exe
2472	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2312	R.exe
4512	svchost.exe
2472	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3628-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3628-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3628-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3628-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1936-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1180-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1180-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1180-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240642734.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2536	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1180	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3628	N.exe
Token: SeLoadDriverPrivilege	1180	TXPlatfor.exe
Token: 33	1180	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1180	TXPlatfor.exe
Token: 33	1180	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1180	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe
3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 2312	3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe	92
PID 3912 wrote to memory of 2312	3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe	92
PID 3912 wrote to memory of 2312	3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe	92
PID 3912 wrote to memory of 3628	3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe	95
PID 3912 wrote to memory of 3628	3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe	95
PID 3912 wrote to memory of 3628	3912	72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe	95
PID 3628 wrote to memory of 2596	3628	N.exe	97
PID 3628 wrote to memory of 2596	3628	N.exe	97
PID 3628 wrote to memory of 2596	3628	N.exe	97
PID 1936 wrote to memory of 1180	1936	TXPlatfor.exe	98
PID 1936 wrote to memory of 1180	1936	TXPlatfor.exe	98
PID 1936 wrote to memory of 1180	1936	TXPlatfor.exe	98
PID 2596 wrote to memory of 2536	2596	cmd.exe	101
PID 2596 wrote to memory of 2536	2596	cmd.exe	101
PID 2596 wrote to memory of 2536	2596	cmd.exe	101
PID 4512 wrote to memory of 2472	4512	svchost.exe	104
PID 4512 wrote to memory of 2472	4512	svchost.exe	104
PID 4512 wrote to memory of 2472	4512	svchost.exe	104

C:\Users\Admin\AppData\Local\Temp\72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe
"C:\Users\Admin\AppData\Local\Temp\72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3912
- 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:2312
- 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:3628
- - 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:2596
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2536

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3716

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:4512
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240642734.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2472

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1936
- 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:1180

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4648,i,16866810346450717340,3849854439116899380,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
1⤵
PID:1500

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 72ebb95e989895fd1af05444a33c4991f36957d9ac7becb157327dd1cf0e55bc
MD5 cc1706f77f09932c7673821fb6f8e726
SHA1 537819ce72bd8a95c4185dce1a4faf32814cd631
SHA512 5dc366f740540afd1ba9eca6303906747101a681ef0633b82bbb1baed3015a9f5c0da003e21e2f03e9f3a774e65eb9e50baf45c14c9623b288be8fe1db060620
SSDEEP 24576:mCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHP:mCwsbCANnKXferL7Vwe/Gg0P+Whcic
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

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

Submit Download

240642734.txt

Path C:\Windows\SysWOW64\240642734.txt
Size 899KB
SHA256 160ec1ae4ebcbaa47a572fcf88eb1a73e5a50bc175039dc1ce816b13bbc0f206
MD5 d59d22c7931e649162b3f0927b90590e
SHA1 8be25e2f8ee0b8dca2f805c39ac8561d4db62b27
SHA512 1ee26a0ed68919b23af3b0da7d1ffd621f706c4756bb3ee0241919296570de3ffa9e18e37a39c1fffb69346e817465720ce47b003d7c4b595b6b5d798a92c6b7
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXe:7wqd87Ve
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

memory/1180-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1180-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1180-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1936-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1936-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/1936-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3628-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3628-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3628-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3628-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads