gh0strat | 5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 04:02

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General

Target

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
Size

2.6MB
MD5

fd321237ba104a697415d33a2f462301
SHA1

45797ace37dfc83d020fb306c265363ada0ec466
SHA256

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a
SHA512

cf2ff335edae95e3b964e0c9e88a3f408aaab8df1cffa78c697479b222136bbe3990e4593beea48ff1116d7b15df91b95cf9084e58310556f43a26783daf176d
SSDEEP

24576:SCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHV:SCwsbCANnKXferL7Vwe/Gg0P+WhTSIu

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259446619.txt	family_gh0strat
behavioral1/memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-43-0x0000000010000000-0x00000000101B6000-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
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

Processes:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259446619.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

2972 R.exe
2640 N.exe
2700 TXPlatfor.exe
2824 TXPlatfor.exe
2588 Remote Data.exe

pid	process
2972	R.exe
2640	N.exe
2700	TXPlatfor.exe
2824	TXPlatfor.exe
2588	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
2972	R.exe
2332	svchost.exe
2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
2700	TXPlatfor.exe
2332	svchost.exe
2588	Remote Data.exe

Drops file in System32 directory 6 IoCs

Processes:

svchost.exeN.exeR.exe

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\259446619.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2640-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-43-0x0000000010000000-0x00000000101B6000-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

Processes:

PING.EXERemote Data.exe5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exeR.exesvchost.exeN.exeTXPlatfor.execmd.exe

description	ioc	process
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	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
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

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

Processes:

cmd.exePING.EXE

pid process

2784 cmd.exe
2860 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2860 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2824 TXPlatfor.exe

pid	process
2784	cmd.exe
2860	PING.EXE

pid	process
2860	PING.EXE

pid	process
2824	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2640	N.exe
Token: SeLoadDriverPrivilege	2824	TXPlatfor.exe
Token: 33	2824	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2824	TXPlatfor.exe
Token: 33	2824	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2824	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe

pid	process
2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2256 wrote to memory of 2972	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	R.exe
PID 2256 wrote to memory of 2972	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	R.exe
PID 2256 wrote to memory of 2972	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	R.exe
PID 2256 wrote to memory of 2972	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	R.exe
PID 2256 wrote to memory of 2640	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 2256 wrote to memory of 2640	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 2256 wrote to memory of 2640	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 2256 wrote to memory of 2640	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 2256 wrote to memory of 2640	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 2256 wrote to memory of 2640	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 2256 wrote to memory of 2640	2256	5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe	N.exe
PID 2640 wrote to memory of 2784	2640	N.exe	cmd.exe
PID 2640 wrote to memory of 2784	2640	N.exe	cmd.exe
PID 2640 wrote to memory of 2784	2640	N.exe	cmd.exe
PID 2640 wrote to memory of 2784	2640	N.exe	cmd.exe
PID 2700 wrote to memory of 2824	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 2824	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 2824	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 2824	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 2824	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 2824	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2700 wrote to memory of 2824	2700	TXPlatfor.exe	TXPlatfor.exe
PID 2784 wrote to memory of 2860	2784	cmd.exe	PING.EXE
PID 2784 wrote to memory of 2860	2784	cmd.exe	PING.EXE
PID 2784 wrote to memory of 2860	2784	cmd.exe	PING.EXE
PID 2784 wrote to memory of 2860	2784	cmd.exe	PING.EXE
PID 2332 wrote to memory of 2588	2332	svchost.exe	Remote Data.exe
PID 2332 wrote to memory of 2588	2332	svchost.exe	Remote Data.exe
PID 2332 wrote to memory of 2588	2332	svchost.exe	Remote Data.exe
PID 2332 wrote to memory of 2588	2332	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe
"C:\Users\Admin\AppData\Local\Temp\5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- 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:2972
- 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:2640
- - 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:2784
  - - 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:2860

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2452

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:2332
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259446619.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2588

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:2700
- 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:2824

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_X.dat

Filesize
2.6MB

MD5
fd321237ba104a697415d33a2f462301

SHA1
45797ace37dfc83d020fb306c265363ada0ec466

SHA256
5f19fc976c0f848cd445d0743808c911f8c1e9d4e3391fadbf86d9613f94ae1a

SHA512
cf2ff335edae95e3b964e0c9e88a3f408aaab8df1cffa78c697479b222136bbe3990e4593beea48ff1116d7b15df91b95cf9084e58310556f43a26783daf176d

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\259446619.txt

Filesize
899KB

MD5
78561df957e7f5d10716b337cc84d02f

SHA1
7eb70748e993416fb57ce14ae180b9fe490ae4ea

SHA256
0366e81a95eb9cc99d66ce775b03729290af97a513087c26363cc44110749679

SHA512
eeb4c852ab7f75ecec1bf2839cdba5bfa865e6b75123d194d129b7a305f2474aa9ffe562d484ab6ea89d1290c1c9a6aec26eab95c9fb14ba9f3913ee67c1d4ff

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2640-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download