gh0strat | d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b

Analysis

max time kernel
150s
max time network
147s
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, 09:09

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General

Target
d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
Size 2.9MB
Sample240625-k4tk5azhrf
SHA256 d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b
MD5 ba9fc7f438e9700e7a302fe30a3a5079
SHA1 7ce55c0f9dd8421863d4980414a672d6616def0b
SHA512 fb2de18be31ee30fca04513627fd64795759992564369548978b3475acbf314832e8489e218c11b199c2b390528ca2b4ffb4dee7e1692d50e0c060df6e74e60f
SSDEEP 49152:kCwsbCANnKXferL7Vwe/Gg0P+WhQtTjm21t:nws2ANnKXOaeOgmhQtt
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/3496-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3496-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3496-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4612-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4612-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/392-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/392-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/392-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000900000002339a-5.dat	family_gh0strat
behavioral2/memory/3496-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3496-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3496-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4612-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4612-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/392-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/392-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/392-44-0x0000000010000000-0x00000000101B6000-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\\240596593.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
5112	R.exe
3496	N.exe
4612	TXPlatfor.exe
392	TXPlatfor.exe
3096	HD_d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
980	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
5112	R.exe
3540	svchost.exe
980	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3496-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3496-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3496-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3496-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4612-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4612-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4612-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/392-44-0x0000000010000000-0x00000000101B6000-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\240596593.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	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.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
1440	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
392	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3496	N.exe
Token: SeLoadDriverPrivilege	392	TXPlatfor.exe
Token: 33	392	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	392	TXPlatfor.exe
Token: 33	392	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	392	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 5112	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	82
PID 2252 wrote to memory of 5112	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	82
PID 2252 wrote to memory of 5112	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	82
PID 2252 wrote to memory of 3496	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	85
PID 2252 wrote to memory of 3496	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	85
PID 2252 wrote to memory of 3496	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	85
PID 3496 wrote to memory of 3828	3496	N.exe	87
PID 3496 wrote to memory of 3828	3496	N.exe	87
PID 3496 wrote to memory of 3828	3496	N.exe	87
PID 4612 wrote to memory of 392	4612	TXPlatfor.exe	88
PID 4612 wrote to memory of 392	4612	TXPlatfor.exe	88
PID 4612 wrote to memory of 392	4612	TXPlatfor.exe	88
PID 2252 wrote to memory of 3096	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	89
PID 2252 wrote to memory of 3096	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	89
PID 2252 wrote to memory of 3096	2252	d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe	89
PID 3828 wrote to memory of 1440	3828	cmd.exe	91
PID 3828 wrote to memory of 1440	3828	cmd.exe	91
PID 3828 wrote to memory of 1440	3828	cmd.exe	91
PID 3540 wrote to memory of 980	3540	svchost.exe	93
PID 3540 wrote to memory of 980	3540	svchost.exe	93
PID 3540 wrote to memory of 980	3540	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
"C:\Users\Admin\AppData\Local\Temp\d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252
- 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:5112
- 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:3496
- - 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:3828
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1440
- C:\Users\Admin\AppData\Local\Temp\HD_d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
  2⤵
  - Executes dropped EXE
  PID:3096

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3996

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:3540
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240596593.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:980

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4612
- 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:392

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 2.5MB
SHA256 6b157130d1af45eff3e045d8b3a818609973b953f9116cdc39db0dc2b229acbb
MD5 4d598fe2164729c67a47178bcd0244b8
SHA1 f4a88890c8b9b9c3813f9a280497b722010fb7c9
SHA512 43cd865c9d16b621cf8ab2cbc02a72386bb6717578347f99c899d49bd61cba8f4c8c1c4ce9af247465386d8ae672bd25b54522aeb0fb0f9a4e714478e7cee227
SSDEEP 24576:kCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH4:kCwsbCANnKXferL7Vwe/Gg0P+WhQk
MD5 SHA1 SHA512 SSDEEP

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HD_d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_d00cfed1f6d43611e978391d987dcf3e64d6fa2f958cc7ececd4200e792c352b.exe
Size 441KB
SHA256 f18fcddf3a06cc817a94a5dd61d8f1ac7d2bbe1e04e42f6fd803d3b944e8757e
MD5 3893aeb4428ba5c5aa57471add1a03b0
SHA1 d0b0f401366293a7b01e897f027fabbcd49d299f
SHA512 81ad48194131863dd8740ab28795450fc00fb346e8048fb95326588394dd26eec5cf39601fef78b2e48ac2cbf38d60fbb110af96dbfa4ad0424fc0f1dd06a599
SSDEEP 6144:rCqd3q4jDgug6BdBX4wVAOVjjaVHSel8+Eo0DFuaxplf1t:rCqdpDgidnjjjawM8+Eo0DFukplf1t
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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240596593.txt

Path C:\Windows\SysWOW64\240596593.txt
Size 899KB
SHA256 ff19939e7943086efe5109a39e42f9b33772baab33820d474688d37c0f595de2
MD5 b058a3bc03ea65b714e3a3e985284e8e
SHA1 7c705031a5d4fd05ab3266377d5e3eb7c39b4638
SHA512 0c51dc7eb83b7f7fa2fe29d21315d08ef4e2a2b803e4e470ecf595251d1b8be64f27711f0a4894c41e1d19e3e43541d132d97558e205ba8d9866039cf9d77770
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXD:7wqd87VD
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/392-44-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/392-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/392-39-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3496-18-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3496-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3496-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3496-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4612-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4612-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4612-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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