gh0strat | 7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 12:08

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General

Target

7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe
Size

2.5MB
MD5

e657171506c450d18608ffec6d268c8b
SHA1

ae2b34aa499865be99637a241dd33d102a93cb8f
SHA256

7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496
SHA512

ba81bd2e28b330e4310bed711f8008cdef7fa448fdd4b9c39591fee233e4042b0648604e297fc1add2dd72c24a4d0723b534a8919e5485b15fc1a7e731c59af3
SSDEEP

24576:rCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHu:rCwsbCANnKXferL7Vwe/Gg0P+WhFE2

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/2568-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2568-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2392-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0034000000014701-6.dat	family_gh0strat
behavioral1/memory/2568-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2568-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2392-43-0x0000000010000000-0x00000000101B6000-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\\259394624.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
2268	R.exe
2568	N.exe
2064	TXPlatfor.exe
2392	TXPlatfor.exe
2088	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe
2268	R.exe
2504	svchost.exe
1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe
2064	TXPlatfor.exe
2504	svchost.exe
2088	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2568-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2568-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2392-43-0x0000000010000000-0x00000000101B6000-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\259394624.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
2420	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2392	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2568	N.exe
Token: SeLoadDriverPrivilege	2392	TXPlatfor.exe
Token: 33	2392	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2392	TXPlatfor.exe
Token: 33	2392	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2392	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe
1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2268	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	28
PID 1912 wrote to memory of 2268	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	28
PID 1912 wrote to memory of 2268	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	28
PID 1912 wrote to memory of 2268	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	28
PID 1912 wrote to memory of 2568	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	31
PID 1912 wrote to memory of 2568	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	31
PID 1912 wrote to memory of 2568	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	31
PID 1912 wrote to memory of 2568	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	31
PID 1912 wrote to memory of 2568	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	31
PID 1912 wrote to memory of 2568	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	31
PID 1912 wrote to memory of 2568	1912	7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe	31
PID 2568 wrote to memory of 2400	2568	N.exe	33
PID 2568 wrote to memory of 2400	2568	N.exe	33
PID 2568 wrote to memory of 2400	2568	N.exe	33
PID 2568 wrote to memory of 2400	2568	N.exe	33
PID 2064 wrote to memory of 2392	2064	TXPlatfor.exe	35
PID 2064 wrote to memory of 2392	2064	TXPlatfor.exe	35
PID 2064 wrote to memory of 2392	2064	TXPlatfor.exe	35
PID 2064 wrote to memory of 2392	2064	TXPlatfor.exe	35
PID 2064 wrote to memory of 2392	2064	TXPlatfor.exe	35
PID 2064 wrote to memory of 2392	2064	TXPlatfor.exe	35
PID 2064 wrote to memory of 2392	2064	TXPlatfor.exe	35
PID 2400 wrote to memory of 2420	2400	cmd.exe	36
PID 2400 wrote to memory of 2420	2400	cmd.exe	36
PID 2400 wrote to memory of 2420	2400	cmd.exe	36
PID 2400 wrote to memory of 2420	2400	cmd.exe	36
PID 2504 wrote to memory of 2088	2504	svchost.exe	37
PID 2504 wrote to memory of 2088	2504	svchost.exe	37
PID 2504 wrote to memory of 2088	2504	svchost.exe	37
PID 2504 wrote to memory of 2088	2504	svchost.exe	37

C:\Users\Admin\AppData\Local\Temp\7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe
"C:\Users\Admin\AppData\Local\Temp\7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912
- 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:2268
- 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:2568
- - 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:2400
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2420

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2936

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:2504
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259394624.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2088

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2064
- 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:2392

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
2.5MB

MD5
e657171506c450d18608ffec6d268c8b

SHA1
ae2b34aa499865be99637a241dd33d102a93cb8f

SHA256
7c1b6132fc4172e794316cc166b103dc57b07640b87a79a75f99dfc350937496

SHA512
ba81bd2e28b330e4310bed711f8008cdef7fa448fdd4b9c39591fee233e4042b0648604e297fc1add2dd72c24a4d0723b534a8919e5485b15fc1a7e731c59af3

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\259394624.txt

Filesize
899KB

MD5
61f0f1d062a03a5627fac3e636777a9d

SHA1
6aaf6dd976a32cddefd56e1196f017b6cc3f7062

SHA256
b78fd67c98340bb8860353be01a21a3ff40489113ac674a78cefe7cea90af5f0

SHA512
cb591b17a91a9949a8ac7bd8997d3b873d75e11dfc05541d548a925db49c7747589ed7de9da2dd4983c7c1d557d0fc64321a2b7201da912d5286779a16d1efd3

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2392-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2392-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2568-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads