gh0strat | 999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa

Analysis

max time kernel
150s
max time network
146s
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, 08:47

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
Size 2.9MB
Sample240625-kpyarszbqb
SHA256 999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa
MD5 98755e46b87c8e8356921ca2a27846d5
SHA1 3ad6a794fe5dc2c74964eda7fe2443bbf29d4168
SHA512 a4d20e4f88440d4c8c71317e284d65dc502928a778ab5b35a7240a7a567561e990d6151eb5b483a0825dd9409e85729dd8a06e3799486113bf0e250a272e7843
SSDEEP 49152:qCwsbCANnKXferL7Vwe/Gg0P+WhCTjm21t:9ws2ANnKXOaeOgmhCt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/640-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/640-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2436-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2436-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/640-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/792-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/792-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/792-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral2/files/0x000700000002341b-5.dat	family_gh0strat
behavioral2/memory/640-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/640-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2436-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2436-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/640-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/792-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/792-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/792-57-0x0000000010000000-0x00000000101B6000-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\\240600015.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
2152	R.exe
640	N.exe
2436	TXPlatfor.exe
792	TXPlatfor.exe
3224	HD_999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
1840	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2152	R.exe
1288	svchost.exe
1840	Remote Data.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/640-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/640-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/640-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2436-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2436-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2436-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/640-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/792-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/792-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/792-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240600015.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	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.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
3576	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
792	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	640	N.exe
Token: SeLoadDriverPrivilege	792	TXPlatfor.exe
Token: 33	792	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	792	TXPlatfor.exe
Token: 33	792	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	792	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 2152	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	81
PID 4640 wrote to memory of 2152	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	81
PID 4640 wrote to memory of 2152	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	81
PID 4640 wrote to memory of 640	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	84
PID 4640 wrote to memory of 640	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	84
PID 4640 wrote to memory of 640	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	84
PID 640 wrote to memory of 2416	640	N.exe	86
PID 640 wrote to memory of 2416	640	N.exe	86
PID 640 wrote to memory of 2416	640	N.exe	86
PID 2436 wrote to memory of 792	2436	TXPlatfor.exe	87
PID 2436 wrote to memory of 792	2436	TXPlatfor.exe	87
PID 2436 wrote to memory of 792	2436	TXPlatfor.exe	87
PID 4640 wrote to memory of 3224	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	88
PID 4640 wrote to memory of 3224	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	88
PID 4640 wrote to memory of 3224	4640	999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe	88
PID 2416 wrote to memory of 3576	2416	cmd.exe	90
PID 2416 wrote to memory of 3576	2416	cmd.exe	90
PID 2416 wrote to memory of 3576	2416	cmd.exe	90
PID 1288 wrote to memory of 1840	1288	svchost.exe	91
PID 1288 wrote to memory of 1840	1288	svchost.exe	91
PID 1288 wrote to memory of 1840	1288	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
"C:\Users\Admin\AppData\Local\Temp\999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4640
- 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:2152
- 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:640
- - 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:2416
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3576
- C:\Users\Admin\AppData\Local\Temp\HD_999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
  C:\Users\Admin\AppData\Local\Temp\HD_999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
  2⤵
  - Executes dropped EXE
  PID:3224

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:468

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:1288
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600015.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1840

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2436
- 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:792

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

Loading Replay Monitor...

Downloads

HD_999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_999e046c758d76c281ac5adc51e1983055f6ef15301b564fd4ed303f6dc29caa.exe
Size 441KB
SHA256 f18fcddf3a06cc817a94a5dd61d8f1ac7d2bbe1e04e42f6fd803d3b944e8757e
MD5 3893aeb4428ba5c5aa57471add1a03b0
SHA1 d0b0f401366293a7b01e897f027fabbcd49d299f
SHA512 81ad48194131863dd8740ab28795450fc00fb346e8048fb95326588394dd26eec5cf39601fef78b2e48ac2cbf38d60fbb110af96dbfa4ad0424fc0f1dd06a599
SSDEEP 6144:rCqd3q4jDgug6BdBX4wVAOVjjaVHSel8+Eo0DFuaxplf1t:rCqdpDgidnjjjawM8+Eo0DFukplf1t
MD5 SHA1 SHA512 SSDEEP

Submit Download

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 a010fe2b87db20dd135df63b64a38ee03a90a9d077ed28f56ce6676297a3d439
MD5 6b28a4eeefced9f57a5a751c9b9f2de4
SHA1 d9181635d95d81e00241a1036754f6bcc58e7fb4
SHA512 7a1bf3a6aae7b4ce641c57cd871b90aef2cf76b2f7c4a560d762302c5b9c4b961f435ad6e8846519a9c142af999fa83a53daf1e9b7d2a30d62b5cac36729d7ab
SSDEEP 24576:qCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHw:qCwsbCANnKXferL7Vwe/Gg0P+Whv
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

240600015.txt

Path C:\Windows\SysWOW64\240600015.txt
Size 899KB
SHA256 66a3d3b61ebe769759a9691301d55510380db9a4f756e25e5c2d96b005f36da2
MD5 f2942e4ec0fd873f3ead145236da8ef3
SHA1 182748495c3c656f029732bb4996683c272ae2e1
SHA512 f29154a93890c413003c0de262355999afd43dae9c9a1923ff7f6aacc313cbb896deddd3e40c3d4e8f1e4fac2ad1f16277cb14689be767b03676ebd93192f59a
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXi:7wqd87Vi
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/640-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/640-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/640-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/640-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/640-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/792-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/792-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/792-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2436-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2436-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Download

memory/2436-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Download