gh0strat | 450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea

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, 11:41

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General

Target
450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
Size 4.4MB
Sample240625-ntxfta1apk
SHA256 450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea
MD5 d77e3be821d6f3bb93724e9e9e71e5a8
SHA1 6ff9d6b422cff8b0e0123fc92a7bcb6e72a7231e
SHA512 6812ff2bd0abd5d445dc103ea4d7d14992b2987d25de85a6ebffe4696408ca4d1b10cb64044ea0e96bf3517095861d8e7ac6cc028d4327be8f9ee023921691e1
SSDEEP 98304:uws2ANnKXOaeOgmh8Ax/qI5We73le7CgeSvWeIM8eQzebeFeO0eReXebRBIY4he4:8KXbeO71x/jWGlLgfWG8dabU/0wSCRG7
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/960-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/960-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/960-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3800-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3800-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4304-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023428-5.dat	family_gh0strat
behavioral2/memory/960-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/960-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/960-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3800-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3800-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4304-45-0x0000000010000000-0x00000000101B6000-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\\240601734.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
3764	R.exe
960	N.exe
3800	TXPlatfor.exe
4304	TXPlatfor.exe
556	HD_450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
3856	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
3764	R.exe
2548	svchost.exe
3856	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/960-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/960-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/960-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/960-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3800-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4304-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240601734.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	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.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
1056	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4304	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	960	N.exe
Token: SeLoadDriverPrivilege	4304	TXPlatfor.exe
Token: 33	4304	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4304	TXPlatfor.exe
Token: 33	4304	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4304	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
556	HD_450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
556	HD_450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 3764	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	80
PID 3864 wrote to memory of 3764	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	80
PID 3864 wrote to memory of 3764	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	80
PID 3864 wrote to memory of 960	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	83
PID 3864 wrote to memory of 960	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	83
PID 3864 wrote to memory of 960	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	83
PID 960 wrote to memory of 4152	960	N.exe	85
PID 960 wrote to memory of 4152	960	N.exe	85
PID 960 wrote to memory of 4152	960	N.exe	85
PID 3800 wrote to memory of 4304	3800	TXPlatfor.exe	86
PID 3800 wrote to memory of 4304	3800	TXPlatfor.exe	86
PID 3800 wrote to memory of 4304	3800	TXPlatfor.exe	86
PID 4152 wrote to memory of 1056	4152	cmd.exe	88
PID 4152 wrote to memory of 1056	4152	cmd.exe	88
PID 4152 wrote to memory of 1056	4152	cmd.exe	88
PID 3864 wrote to memory of 556	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	89
PID 3864 wrote to memory of 556	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	89
PID 3864 wrote to memory of 556	3864	450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe	89
PID 2548 wrote to memory of 3856	2548	svchost.exe	90
PID 2548 wrote to memory of 3856	2548	svchost.exe	90
PID 2548 wrote to memory of 3856	2548	svchost.exe	90

C:\Users\Admin\AppData\Local\Temp\450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
"C:\Users\Admin\AppData\Local\Temp\450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3864
- 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:3764
- 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:960
- - 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:4152
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1056
- C:\Users\Admin\AppData\Local\Temp\HD_450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
  C:\Users\Admin\AppData\Local\Temp\HD_450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:556

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1268

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:2548
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601734.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3856

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3800
- 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:4304

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_450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_450dd92b7f20a1eb4b6594ce00e82bb1f2f8a02ced25efe11cab79ffb447d4ea.exe
Size 1.9MB
SHA256 cb4301716b5b1f7da545d5775b49ed93003471a36365513ee5e6a4be22171156
MD5 9bf5e26abfe0e5a76983556c8fb87401
SHA1 182cb4265cab6e5bce38f1b275f0d05f4c8c92a9
SHA512 03ecbb620cd3093d624644858d7ca6db4763ed0c8f1ac401ba60e19fc01189e552bef46f5434f8c5c31654e1640eb0ba12f2922cf3ab4ea8677fef3c4b102570
SSDEEP 24576:+nDyOp7qH5XPbG1P4lpu2dcEvhpD5hpJgjNRnvc+ocj9Y/i3qSAaz72a9V0:+nDxp7qHg32HZd5hKNRvmXa6q0
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.5MB
SHA256 9275bfd8d73bfec160d9da0b8b8b661a08b3407bab48fa433fd1b23640e0aed0
MD5 b004da638f7ccbc4e6f2bde8c426976f
SHA1 2116c9e103607c187df044c225babea85dd95f06
SHA512 9c5bb6ffa30b3914a679ae67046af6427cd228b14d30273147da03cd4364af5f392af2e1b04e1cdda7d6473a3a99fc6a98264bd6ba2d73cf70bf72670630398b
SSDEEP 49152:rCwsbCANnKXferL7Vwe/Gg0P+Wh219AxaEqI5We73le7CgeSvWeIM8eQzebeFeOL:uws2ANnKXOaeOgmh8Ax/qI5We73le7CD
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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240601734.txt

Path C:\Windows\SysWOW64\240601734.txt
Size 899KB
SHA256 bf746e04fec1a1d7f374a047f22181ee38c10beb055019130cb8490317912d64
MD5 49fcc8070fc5c980f4840519dfb1a178
SHA1 abab0b947808a9e17f664fa87fcfc09f78ff9c40
SHA512 377c07d3496ac9a2199ad95645a5488f9ff74d21fe9f0f34a2295d2743e9f5137ce523a329160286f1f89b3e2df2b566d7c700d69f5d2414151650850cefaae8
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXe:7wqd87Ve
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/960-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/960-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/960-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/960-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3800-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3800-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3800-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4304-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4304-35-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4304-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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