gh0strat | d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 16:55

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General

Target

d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe
Size

4.8MB
MD5

29e5d172247bb476b68d4517f2f41454
SHA1

c2169ab778bad34cc2ae3336af16f433312e01c6
SHA256

d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8
SHA512

df284efca20a5dc1d644d9df6e27f77f60c588a44ae26c96d70a0db8d393ae3b1c90605e6d6b3e0094d8e8551b170fbc0d67c6585581638773be9cb1fc87e6d2
SSDEEP

98304:1ws2ANnKXOaeOgmh/SRRRRRRRR7S58bbTIuCysWngBSu/HHZR:/KXbeO7JSRRRRRRRR7eGTEye

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/2564-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2564-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2828-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016d49-6.dat	family_gh0strat
behavioral1/memory/2564-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2564-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2828-42-0x0000000010000000-0x00000000101B6000-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\\259451908.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
2704	R.exe
2564	N.exe
2876	TXPlatfor.exe
2828	TXPlatfor.exe
2920	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe
2704	R.exe
2824	svchost.exe
2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe
2876	TXPlatfor.exe
2824	svchost.exe
2920	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259451908.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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2564-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2828-42-0x0000000010000000-0x00000000101B6000-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	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.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
2728	cmd.exe
2600	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2600	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2828	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2564	N.exe
Token: SeLoadDriverPrivilege	2828	TXPlatfor.exe
Token: 33	2828	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2828	TXPlatfor.exe
Token: 33	2828	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2828	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe
2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2704	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	31
PID 2212 wrote to memory of 2704	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	31
PID 2212 wrote to memory of 2704	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	31
PID 2212 wrote to memory of 2704	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	31
PID 2212 wrote to memory of 2564	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	34
PID 2212 wrote to memory of 2564	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	34
PID 2212 wrote to memory of 2564	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	34
PID 2212 wrote to memory of 2564	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	34
PID 2212 wrote to memory of 2564	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	34
PID 2212 wrote to memory of 2564	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	34
PID 2212 wrote to memory of 2564	2212	d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe	34
PID 2564 wrote to memory of 2728	2564	N.exe	36
PID 2564 wrote to memory of 2728	2564	N.exe	36
PID 2564 wrote to memory of 2728	2564	N.exe	36
PID 2564 wrote to memory of 2728	2564	N.exe	36
PID 2876 wrote to memory of 2828	2876	TXPlatfor.exe	37
PID 2876 wrote to memory of 2828	2876	TXPlatfor.exe	37
PID 2876 wrote to memory of 2828	2876	TXPlatfor.exe	37
PID 2876 wrote to memory of 2828	2876	TXPlatfor.exe	37
PID 2876 wrote to memory of 2828	2876	TXPlatfor.exe	37
PID 2876 wrote to memory of 2828	2876	TXPlatfor.exe	37
PID 2876 wrote to memory of 2828	2876	TXPlatfor.exe	37
PID 2728 wrote to memory of 2600	2728	cmd.exe	39
PID 2728 wrote to memory of 2600	2728	cmd.exe	39
PID 2728 wrote to memory of 2600	2728	cmd.exe	39
PID 2728 wrote to memory of 2600	2728	cmd.exe	39
PID 2824 wrote to memory of 2920	2824	svchost.exe	40
PID 2824 wrote to memory of 2920	2824	svchost.exe	40
PID 2824 wrote to memory of 2920	2824	svchost.exe	40
PID 2824 wrote to memory of 2920	2824	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe
"C:\Users\Admin\AppData\Local\Temp\d863048a878e4638d31f09148d49bedc6f15bf0c03bdc81d23d2b06406cf84f8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2212
- 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:2704
- 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:2564
- - 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:2728
  - - 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:2600

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2812

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:2824
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259451908.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2920

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:2876
- 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:2828

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

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Downloads

C:\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\259451908.txt

Filesize
899KB

MD5
249d6cd863321f89f9cd5518a660a44b

SHA1
d28bb3b8059c7855526dbffa147c8e0044970e6e

SHA256
5895a5cc2b7005399c40302526053af8a781724ecd00282b270ff78902f88ee3

SHA512
963550dae6b25721c968814338294c1769beef4dfd5be901e4d9bd371f4fc2cd651cc988ea8d2849a3b11edbf154f1a14b0c6d2828d10564c163e540d51457a4

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2564-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2564-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2828-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads