gh0strat | dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 06:47

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General

Target

dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
Size

2.6MB
MD5

22a892c12be151613bbd83dee8b80b92
SHA1

186d460bf577d12603810dd8db096a6a7ec741b7
SHA256

dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623
SHA512

6f60425b90db041a898e8add6edb039e3de1b82883226b740bde61def8e75940e04567e024f6cf29ddcb4a6869eb0432ba1994b5c53d2303188fe47051cb43cc
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuk:pws2ANnKXOaeOgmhI1BTuk

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/2908-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2908-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2908-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3436-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3436-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5048-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5048-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5048-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023c6e-5.dat	family_gh0strat
behavioral2/memory/2908-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2908-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2908-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3436-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3436-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5048-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5048-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5048-57-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
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\\240646031.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
4496	R.exe
2908	N.exe
3436	TXPlatfor.exe
2844	HD_dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
5048	TXPlatfor.exe
3052	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4496	R.exe
2300	svchost.exe
3052	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240646031.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

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2908-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2908-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2908-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2908-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3436-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3436-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3436-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5048-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5048-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5048-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2340	cmd.exe
4892	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4892	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5048	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2908	N.exe
Token: SeLoadDriverPrivilege	5048	TXPlatfor.exe
Token: 33	5048	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5048	TXPlatfor.exe
Token: 33	5048	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5048	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 4496	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	85
PID 3692 wrote to memory of 4496	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	85
PID 3692 wrote to memory of 4496	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	85
PID 3692 wrote to memory of 2908	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	88
PID 3692 wrote to memory of 2908	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	88
PID 3692 wrote to memory of 2908	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	88
PID 2908 wrote to memory of 2340	2908	N.exe	90
PID 2908 wrote to memory of 2340	2908	N.exe	90
PID 2908 wrote to memory of 2340	2908	N.exe	90
PID 3692 wrote to memory of 2844	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	91
PID 3692 wrote to memory of 2844	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	91
PID 3692 wrote to memory of 2844	3692	dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe	91
PID 3436 wrote to memory of 5048	3436	TXPlatfor.exe	93
PID 3436 wrote to memory of 5048	3436	TXPlatfor.exe	93
PID 3436 wrote to memory of 5048	3436	TXPlatfor.exe	93
PID 2340 wrote to memory of 4892	2340	cmd.exe	95
PID 2340 wrote to memory of 4892	2340	cmd.exe	95
PID 2340 wrote to memory of 4892	2340	cmd.exe	95
PID 2300 wrote to memory of 3052	2300	svchost.exe	97
PID 2300 wrote to memory of 3052	2300	svchost.exe	97
PID 2300 wrote to memory of 3052	2300	svchost.exe	97

C:\Users\Admin\AppData\Local\Temp\dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
"C:\Users\Admin\AppData\Local\Temp\dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3692
- 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
  - System Location Discovery: System Language Discovery
  PID:4496
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2908
- - 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⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2340
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4892
- C:\Users\Admin\AppData\Local\Temp\HD_dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
  C:\Users\Admin\AppData\Local\Temp\HD_dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2844

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2928

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240646031.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3052

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3436
- 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:5048

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_dd87c86eec4422ee0738d05826836f4917b9054f34166548f42fcd76558c4623.exe

Filesize
13KB

MD5
088430569062e9e096a434b7f2db22a4

SHA1
d7ece49ebbe36adf2ea201d89a911f58ce7fd03c

SHA256
b122291d128c8f9051ff686eea4ec271d9af351908129f135619833268aa24ed

SHA512
f35b830ada2d1b509fbc6e8d6a0e3eaf7c1b910260762d2353593709b17ef300a85cf30c4dd25dd7994bec9cbab7175f6aadca506ba7d75b24e8171b8a03b92c

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\240646031.txt

Filesize
899KB

MD5
ee891a88e64f067b5acf5bdbf59c87d5

SHA1
c4e9a12d68518167740b56509c2dc784a41d90b9

SHA256
0a8132346967e0e819ec8565d4c5cd802bd3c3efc789071ac5cb7489138b74fb

SHA512
3d92a2edb516e5677f94763bd9a20dde665af00046f8731be788e5bb3cac4060aa7ce74036d330db52684fb844b738465166f5541c783c06f00817461ddeb09c

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2908-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2908-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2908-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2908-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3436-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3436-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3436-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5048-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5048-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5048-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download