gh0strat | 2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 03:41

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General

Target

2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
Size

2.6MB
MD5

dcb794b5dcf303ae19811301d36a9067
SHA1

c21d208c81d0215f64cc922d394e5150ce576678
SHA256

2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7
SHA512

f0e952ffa8ec4458b4076370461141e490fafe72bb828c3e168994165c6c940614ee702275c10c4f95f9be8dd09dae8bb718f4aa4ca8944ffda1bd10b60e22ce
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTu6J:pws2ANnKXOaeOgmhI1BTu6J

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2448-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2448-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0008000000019030-6.dat	family_gh0strat
behavioral1/memory/2448-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2448-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-49-0x0000000010000000-0x00000000101B6000-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\\259436604.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
1768	R.exe
2448	N.exe
1532	TXPlatfor.exe
2720	TXPlatfor.exe
1232	HD_2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
2984	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
1768	R.exe
1608	svchost.exe
1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
1532	TXPlatfor.exe
1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
1608	svchost.exe
2984	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259436604.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2448-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2448-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2448-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 8 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	svchost.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.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
2708	cmd.exe
2648	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2648	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2720	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2448	N.exe
Token: SeLoadDriverPrivilege	2720	TXPlatfor.exe
Token: 33	2720	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatfor.exe
Token: 33	2720	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 1768	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	30
PID 1568 wrote to memory of 1768	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	30
PID 1568 wrote to memory of 1768	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	30
PID 1568 wrote to memory of 1768	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	30
PID 1568 wrote to memory of 2448	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	33
PID 1568 wrote to memory of 2448	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	33
PID 1568 wrote to memory of 2448	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	33
PID 1568 wrote to memory of 2448	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	33
PID 1568 wrote to memory of 2448	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	33
PID 1568 wrote to memory of 2448	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	33
PID 1568 wrote to memory of 2448	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	33
PID 2448 wrote to memory of 2708	2448	N.exe	35
PID 2448 wrote to memory of 2708	2448	N.exe	35
PID 2448 wrote to memory of 2708	2448	N.exe	35
PID 2448 wrote to memory of 2708	2448	N.exe	35
PID 1532 wrote to memory of 2720	1532	TXPlatfor.exe	36
PID 1532 wrote to memory of 2720	1532	TXPlatfor.exe	36
PID 1532 wrote to memory of 2720	1532	TXPlatfor.exe	36
PID 1532 wrote to memory of 2720	1532	TXPlatfor.exe	36
PID 1532 wrote to memory of 2720	1532	TXPlatfor.exe	36
PID 1532 wrote to memory of 2720	1532	TXPlatfor.exe	36
PID 1532 wrote to memory of 2720	1532	TXPlatfor.exe	36
PID 1568 wrote to memory of 1232	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	38
PID 1568 wrote to memory of 1232	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	38
PID 1568 wrote to memory of 1232	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	38
PID 1568 wrote to memory of 1232	1568	2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe	38
PID 2708 wrote to memory of 2648	2708	cmd.exe	40
PID 2708 wrote to memory of 2648	2708	cmd.exe	40
PID 2708 wrote to memory of 2648	2708	cmd.exe	40
PID 2708 wrote to memory of 2648	2708	cmd.exe	40
PID 1608 wrote to memory of 2984	1608	svchost.exe	41
PID 1608 wrote to memory of 2984	1608	svchost.exe	41
PID 1608 wrote to memory of 2984	1608	svchost.exe	41
PID 1608 wrote to memory of 2984	1608	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
"C:\Users\Admin\AppData\Local\Temp\2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1568
- 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:1768
- 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:2448
- - 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:2708
  - - 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:2648
- C:\Users\Admin\AppData\Local\Temp\HD_2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe
  2⤵
  - Executes dropped EXE
  PID:1232

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2804

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:1608
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259436604.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2984

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1532
- 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:2720

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 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_2e98cba4c4ddc942fa2e3d03a5322f96a1cf65ae5d82e299546e05a1a86549b7.exe

Filesize
54KB

MD5
245188818bbd8cfc4377e8f3e82c75b7

SHA1
6c469905aaf5458bbfcd880e721d90f8f0de3920

SHA256
f3420b7c9a1cbc4e2c988a3068cf5ca265e4f35fe3aa084d79c231699809664f

SHA512
721da3d26f919c8b477e0c09e7a838930536d6cd8518766fcd5ce8379fc7cbe25cf04e35837c1c3d5dcbfa6fdec6a94824b33b6258950d93d5dbcd1b3632d362

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

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259436604.txt

Filesize
899KB

MD5
547dd7885ac56a94043fcf3291992e3e

SHA1
3b6c75915ab92f83b2700a6902e6c092135d3554

SHA256
3fcaca7001873bfb1ae13a896240ec089edf4bb09ac0a6ee722559e3c332db61

SHA512
f1bbb7c66279527597822f444a1c73d4c527b4861dfe5643bc6de856d987eafc2e5744448c9d8913e530aa5758dc57e2c7bc6f40bc0ab57501a5a6ea4f077377

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2448-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2448-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2448-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download