gh0strat | 3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 15:23

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General

Target

3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe
Size

2.7MB
MD5

f49bdcca62fcfa9e178af7a7951d843d
SHA1

2931f25d5974bd3fd0d03baffbfa7b47dbf4ab60
SHA256

3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29
SHA512

a431e8f4f3e736975fcbf15b39462939586c8efd4120425f1bdd06677b90e2c4531523cdf6e7272c8934585a3d118c8cc19dfa6b2ace27a8a64a8035eea154ae
SSDEEP

24576:5CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHt:5CwsbCANnKXferL7Vwe/Gg0P+Wh2

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2600-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2600-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2896-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2896-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2896-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x003300000001470b-6.dat	family_gh0strat
behavioral1/memory/2600-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2600-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2896-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2896-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2896-43-0x0000000010000000-0x00000000101B6000-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\\259396949.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 5 IoCs

pid	Process
348	R.exe
2600	N.exe
2644	TXPlatfor.exe
2896	TXPlatfor.exe
2068	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe
348	R.exe
2744	svchost.exe
1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe
2644	TXPlatfor.exe
2744	svchost.exe
2068	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2600-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2896-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2896-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2896-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\259396949.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2472	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2896	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2600	N.exe
Token: SeLoadDriverPrivilege	2896	TXPlatfor.exe
Token: 33	2896	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2896	TXPlatfor.exe
Token: 33	2896	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2896	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe
1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 348	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	28
PID 1812 wrote to memory of 348	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	28
PID 1812 wrote to memory of 348	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	28
PID 1812 wrote to memory of 348	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	28
PID 1812 wrote to memory of 2600	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	31
PID 1812 wrote to memory of 2600	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	31
PID 1812 wrote to memory of 2600	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	31
PID 1812 wrote to memory of 2600	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	31
PID 1812 wrote to memory of 2600	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	31
PID 1812 wrote to memory of 2600	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	31
PID 1812 wrote to memory of 2600	1812	3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe	31
PID 2600 wrote to memory of 2468	2600	N.exe	33
PID 2600 wrote to memory of 2468	2600	N.exe	33
PID 2600 wrote to memory of 2468	2600	N.exe	33
PID 2600 wrote to memory of 2468	2600	N.exe	33
PID 2644 wrote to memory of 2896	2644	TXPlatfor.exe	34
PID 2644 wrote to memory of 2896	2644	TXPlatfor.exe	34
PID 2644 wrote to memory of 2896	2644	TXPlatfor.exe	34
PID 2644 wrote to memory of 2896	2644	TXPlatfor.exe	34
PID 2644 wrote to memory of 2896	2644	TXPlatfor.exe	34
PID 2644 wrote to memory of 2896	2644	TXPlatfor.exe	34
PID 2644 wrote to memory of 2896	2644	TXPlatfor.exe	34
PID 2468 wrote to memory of 2472	2468	cmd.exe	36
PID 2468 wrote to memory of 2472	2468	cmd.exe	36
PID 2468 wrote to memory of 2472	2468	cmd.exe	36
PID 2468 wrote to memory of 2472	2468	cmd.exe	36
PID 2744 wrote to memory of 2068	2744	svchost.exe	37
PID 2744 wrote to memory of 2068	2744	svchost.exe	37
PID 2744 wrote to memory of 2068	2744	svchost.exe	37
PID 2744 wrote to memory of 2068	2744	svchost.exe	37

C:\Users\Admin\AppData\Local\Temp\3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe
"C:\Users\Admin\AppData\Local\Temp\3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1812
- 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:348
- 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:2600
- - 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:2468
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2472

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2028

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:2744
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259396949.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2068

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- 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:2896

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
2.7MB

MD5
f49bdcca62fcfa9e178af7a7951d843d

SHA1
2931f25d5974bd3fd0d03baffbfa7b47dbf4ab60

SHA256
3b937bfc2124547acfcedece1b22b7c7ed92422a48f8aa63c3ff1a83128eba29

SHA512
a431e8f4f3e736975fcbf15b39462939586c8efd4120425f1bdd06677b90e2c4531523cdf6e7272c8934585a3d118c8cc19dfa6b2ace27a8a64a8035eea154ae

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\259396949.txt

Filesize
899KB

MD5
1aee25059db6436df6d20eb8c550fdfb

SHA1
3c932d4e5d0b7664fbf962f7aeb95f0f4d6bd5f2

SHA256
5e43f845eaea5516b8907c69a6d3812d2a6bd74837ce205551149bc78ce7f694

SHA512
48b224be7b5c6becad9c60b860edde0ce969fcc492f4e5578c4f502c6c9acfc20b054127c08ed19ceca14ae7f0d81b88eae036dccdae8fe5f1aa93148a1fccb4

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2600-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2896-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2896-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2896-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads