gh0strat | 4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 16:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
Size 2.9MB
Sample240528-vf35rsdf23
SHA256 4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295
MD5 590ab87be2bb609703f2f17fba67cf18
SHA1 4715073cffacf76da96375191d7ebea996cc5116
SHA512 381132ec121a680b3be55ce144d68d4c8add99498b6d834622468864e675a5c89dff187baff124071d7f32398dc4c8bf87e3534d755aa77128b6fbce2a282a11
SSDEEP 49152:oCwsbCANnKXferL7Vwe/Gg0P+Wh1opjta1B:jws2ANnKXOaeOgmh1ow
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/4848-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4848-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4848-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2444-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2444-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2444-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000700000002344d-5.dat	family_gh0strat
behavioral2/memory/4848-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4848-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4848-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2444-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2444-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2444-45-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240601046.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
4216	R.exe
4848	N.exe
3984	TXPlatfor.exe
2156	HD_4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
2444	TXPlatfor.exe
4332	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4216	R.exe
4516	svchost.exe
4332	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4848-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4848-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4848-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4848-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3984-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2444-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2444-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2444-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240601046.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	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.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
4840	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2444	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4848	N.exe
Token: SeLoadDriverPrivilege	2444	TXPlatfor.exe
Token: 33	2444	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2444	TXPlatfor.exe
Token: 33	2444	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2444	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 4216	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	83
PID 2168 wrote to memory of 4216	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	83
PID 2168 wrote to memory of 4216	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	83
PID 2168 wrote to memory of 4848	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	86
PID 2168 wrote to memory of 4848	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	86
PID 2168 wrote to memory of 4848	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	86
PID 4848 wrote to memory of 3076	4848	N.exe	89
PID 4848 wrote to memory of 3076	4848	N.exe	89
PID 4848 wrote to memory of 3076	4848	N.exe	89
PID 2168 wrote to memory of 2156	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	91
PID 2168 wrote to memory of 2156	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	91
PID 2168 wrote to memory of 2156	2168	4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe	91
PID 3984 wrote to memory of 2444	3984	TXPlatfor.exe	90
PID 3984 wrote to memory of 2444	3984	TXPlatfor.exe	90
PID 3984 wrote to memory of 2444	3984	TXPlatfor.exe	90
PID 3076 wrote to memory of 4840	3076	cmd.exe	93
PID 3076 wrote to memory of 4840	3076	cmd.exe	93
PID 3076 wrote to memory of 4840	3076	cmd.exe	93
PID 4516 wrote to memory of 4332	4516	svchost.exe	100
PID 4516 wrote to memory of 4332	4516	svchost.exe	100
PID 4516 wrote to memory of 4332	4516	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
"C:\Users\Admin\AppData\Local\Temp\4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:4216
- 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:4848
- - 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:3076
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4840
- C:\Users\Admin\AppData\Local\Temp\HD_4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
  C:\Users\Admin\AppData\Local\Temp\HD_4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
  2⤵
  - Executes dropped EXE
  PID:2156

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:724

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:4516
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601046.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4332

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3984
- 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:2444

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

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

Loading Replay Monitor...

Downloads

HD_4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_4950a47558b3ace48049f18b3c9aca196d05b6cae2604474d4795d70b602b295.exe
Size 439KB
SHA256 4532cd6fa2a85aa30d728352a23bf5f29bd738197910aa671b1c50a7621eca8a
MD5 7f95fed82b10fd06a767732d24f9b6a3
SHA1 35c83e188c48a474e24d2ffc046d4d57aa01ab60
SHA512 223eee357c0c8dd2a9357401a3983b2b6ecf7de3e12befe0d967b0f905053a28edfd5aba3751d011548613993751be95776dd548158d704d8520fe7ea49519f4
SSDEEP 6144:7SOgjxmMv90hzI8rCAOvjtV6bel8+Eo0DFuaxok1B:7SOgQMViipjtqM8+Eo0DFukok1B
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 8b492c9a9b3d48b0fedc183834b0fcba6fc4c0b5da8a0ab88e0a631c9b503b7a
MD5 c9d70234e9ed82a0faf9b0f5f4f0822a
SHA1 1d43be43ba9e1b022472c0dafd56ed4e116d924f
SHA512 71cda5c748e4001a743187f3e6d3f56b45b402337678effd4639a1cfee96a6601530f0c45b9eb2e38dcf36828fad061c6f86d2cb40bf007abfee98b8291871b6
SSDEEP 24576:oCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHX:oCwsbCANnKXferL7Vwe/Gg0P+Whs
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

240601046.txt

Path C:\Windows\SysWOW64\240601046.txt
Size 899KB
SHA256 b6adc885a6a8adafb0dd6ad30bdd5b54089b62f38a5bec7791ba490f9a8a1f9c
MD5 f6bb125c7ad55ed11dc21ef34b01c6e1
SHA1 c25fac0ac9ee4a109a3dcaeb4e5eefa3fee97672
SHA512 20a4a69fa9e55f8d93c19fcfe8c7ca9f3b104470b276072015a665e0b00d53197fa811825a148bfc05c5fbd17901362e1537c63d8ff661f7ee2ab31dc9e83840
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXz:7wqd87Vz
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/2444-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2444-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2444-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/3984-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4848-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4848-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4848-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/4848-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Download