gh0strat | 3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 18:11

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General

Target

3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
Size

9.3MB
MD5

267e17d2f066da1efc05ec422d038b90
SHA1

f27f178bb795fa0debe3e9ac5de1990bddd4e0d2
SHA256

3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd
SHA512

9cd7fc10b1d467b0bf7a2df47d0f13353a8390cbbb7a544b54f6cb410a866bd41aac0a5511581daa1f7fc0880be82631cf7f44b0735bf72ba5629e1ede46e689
SSDEEP

98304:zws2ANnKXOaeOgmhHuHeoXQuUVS480JqdIVAb:VKXbeO7RyC04u

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2980-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2980-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016176-6.dat	family_gh0strat
behavioral1/memory/2980-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2980-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-51-0x0000000010000000-0x00000000101B6000-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\\259397042.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
2272	R.exe
2980	N.exe
2680	TXPlatfor.exe
2556	TXPlatfor.exe
2756	HD_3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
1944	Remote Data.exe

Loads dropped DLL 11 IoCs

pid	Process
1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
2272	R.exe
2192	svchost.exe
1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
2680	TXPlatfor.exe
1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
2756	HD_3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
1212	Process not Found
2192	svchost.exe
1944	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2980-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2980-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2980-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\kwallpaper = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\kwallpaper.exe\" -autorun"	HD_3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259397042.txt	R.exe

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

System Information Discovery
T1082

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\UserPreferencesMask = 9e3e078012000000	HD_3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2448	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2556	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2980	N.exe
Token: SeLoadDriverPrivilege	2556	TXPlatfor.exe
Token: 33	2556	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2556	TXPlatfor.exe
Token: 33	2556	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2556	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2272	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	28
PID 1068 wrote to memory of 2272	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	28
PID 1068 wrote to memory of 2272	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	28
PID 1068 wrote to memory of 2272	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	28
PID 1068 wrote to memory of 2980	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	31
PID 1068 wrote to memory of 2980	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	31
PID 1068 wrote to memory of 2980	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	31
PID 1068 wrote to memory of 2980	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	31
PID 1068 wrote to memory of 2980	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	31
PID 1068 wrote to memory of 2980	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	31
PID 1068 wrote to memory of 2980	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	31
PID 2980 wrote to memory of 2644	2980	N.exe	33
PID 2980 wrote to memory of 2644	2980	N.exe	33
PID 2980 wrote to memory of 2644	2980	N.exe	33
PID 2980 wrote to memory of 2644	2980	N.exe	33
PID 2680 wrote to memory of 2556	2680	TXPlatfor.exe	35
PID 2680 wrote to memory of 2556	2680	TXPlatfor.exe	35
PID 2680 wrote to memory of 2556	2680	TXPlatfor.exe	35
PID 2680 wrote to memory of 2556	2680	TXPlatfor.exe	35
PID 2680 wrote to memory of 2556	2680	TXPlatfor.exe	35
PID 2680 wrote to memory of 2556	2680	TXPlatfor.exe	35
PID 2680 wrote to memory of 2556	2680	TXPlatfor.exe	35
PID 1068 wrote to memory of 2756	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	36
PID 1068 wrote to memory of 2756	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	36
PID 1068 wrote to memory of 2756	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	36
PID 1068 wrote to memory of 2756	1068	3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe	36
PID 2644 wrote to memory of 2448	2644	cmd.exe	37
PID 2644 wrote to memory of 2448	2644	cmd.exe	37
PID 2644 wrote to memory of 2448	2644	cmd.exe	37
PID 2644 wrote to memory of 2448	2644	cmd.exe	37
PID 2192 wrote to memory of 1944	2192	svchost.exe	39
PID 2192 wrote to memory of 1944	2192	svchost.exe	39
PID 2192 wrote to memory of 1944	2192	svchost.exe	39
PID 2192 wrote to memory of 1944	2192	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
"C:\Users\Admin\AppData\Local\Temp\3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1068
- 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:2272
- 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:2980
- - 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:2644
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2448
- C:\Users\Admin\AppData\Local\Temp\HD_3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
  C:\Users\Admin\AppData\Local\Temp\HD_3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies Control Panel
  PID:2756

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2332

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:2192
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259397042.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1944

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2680
- 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:2556

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_3fcccc518e3a1b73be4696d36f2c50765608a6a8b1bf64b82db35a8b3ead76dd.exe

Filesize
6.8MB

MD5
b8a89bb35dcc21e25aa139a5424d5830

SHA1
fb5f61e988705686f101bbb94d0c09690e49db1f

SHA256
bdecdcaadf1e9452940e43d5bda707302bb5a787a4ea014d60b347f9638a6914

SHA512
f5e5676a8919a4ecb41bfb77055c26719b733fe3ea890fb621d4a3710efe3341423760261204816e5a8a6c404e459bc57f181f4c25ce4fab711079901d7b899a

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

Filesize
2.5MB

MD5
2cb9bfba6bde521ced984cad2dd53ce2

SHA1
b960fd2cd4b76743ee5ee06a43e670ba4417e7cb

SHA256
3c7db04ff655f435de246acedf8a6ee07c257d603e781c7ae937f217761dc12a

SHA512
553dfe60343367c4e87d799186051f69aecffebf9528442dea3e19d3342d0649df4b59f6829253005bf846448a0fb32fe1b1a187b2da310edb9d3a381d649c73

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259397042.txt

Filesize
899KB

MD5
70356d5d51becd8d4f27082b8f876465

SHA1
41c1a488680ef6526f5552f0f332357f3fc893a1

SHA256
ad72d2885bd337150279dc5f57424a353102811d710e31c1f4c054b5009b583f

SHA512
8e52a0c8df46b243cf06c25dcb30461837db772d6161221ee75f0af21af3748ac026c73c5e45084f7c8e42077ff9164b9f464e28bfaa23e85408611ab2dc9e00

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2556-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2980-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2980-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2980-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download