metasploit | 4f63e5284484a33b68a3d42d16cfafed8f2db8cec8f956cfa579dcd3ab2de002

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 12:26

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
775b0855bc044161e708c763759ce653.exe
Size 238KB
Sample240126-pl8pjsehem
SHA256 4f63e5284484a33b68a3d42d16cfafed8f2db8cec8f956cfa579dcd3ab2de002
MD5 775b0855bc044161e708c763759ce653
SHA1 c93dbb7e3d477ec589667369f18dfe67171eb7b5
SHA512 b43548114cbab777c6f2fd4139bf7f30e3c27f5166ef91386938fe11089bac2a25754103da7dcf4c6c58fcc5110e13ba7c5e401ec0a5d1c7f8ca05b1ab2e7be1
SSDEEP 6144:D/9tYkCwRcAApwWlg+v8FiDDDDDDDDDDXDDDDDDDDDlDDDDDDDDDDXDDDDDDDDDx:D/9tYl6Apflp4Q
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

metasploit backdoor evasion persistence trojan upx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Modifies firewall policy service 2 TTPs 8 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxtr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxtr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxtr64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxtr64.exe = "C:\\Windows\\SysWOW64\\igfxtr64.exe:*:Enabled:Intel Graphics Hub"	igfxtr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxtr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxtr64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxtr64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxtr64.exe = "C:\\Windows\\SysWOW64\\igfxtr64.exe:*:Enabled:Intel Graphics Hub"	igfxtr64.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	775b0855bc044161e708c763759ce653.exe

Deletes itself 1 IoCs

pid	Process
1644	igfxtr64.exe

Executes dropped EXE 2 IoCs

pid	Process
4728	igfxtr64.exe
1644	igfxtr64.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1412-0-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1412-2-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1412-3-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1412-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1412-38-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1644-43-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1644-44-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1644-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1644-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1644-47-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1644-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/1644-54-0x0000000000400000-0x0000000000464000-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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Graphics Hub = "C:\\Windows\\SysWOW64\\igfxtr64.exe"	igfxtr64.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	775b0855bc044161e708c763759ce653.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxtr64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxtr64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	775b0855bc044161e708c763759ce653.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	775b0855bc044161e708c763759ce653.exe
File opened for modification	C:\Windows\SysWOW64\igfxtr64.exe	775b0855bc044161e708c763759ce653.exe
File created	C:\Windows\SysWOW64\igfxtr64.exe	775b0855bc044161e708c763759ce653.exe
File opened for modification	C:\Windows\SysWOW64\	igfxtr64.exe
File opened for modification	C:\Windows\SysWOW64\igfxtr64.exe	igfxtr64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3232 set thread context of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 4728 set thread context of 1644	4728	igfxtr64.exe	95

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	775b0855bc044161e708c763759ce653.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1412	775b0855bc044161e708c763759ce653.exe
1412	775b0855bc044161e708c763759ce653.exe
1412	775b0855bc044161e708c763759ce653.exe
1412	775b0855bc044161e708c763759ce653.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe
1644	igfxtr64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 3232 wrote to memory of 1412	3232	775b0855bc044161e708c763759ce653.exe	87
PID 1412 wrote to memory of 4728	1412	775b0855bc044161e708c763759ce653.exe	94
PID 1412 wrote to memory of 4728	1412	775b0855bc044161e708c763759ce653.exe	94
PID 1412 wrote to memory of 4728	1412	775b0855bc044161e708c763759ce653.exe	94
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 4728 wrote to memory of 1644	4728	igfxtr64.exe	95
PID 1644 wrote to memory of 3448	1644	igfxtr64.exe	21
PID 1644 wrote to memory of 3448	1644	igfxtr64.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448
- C:\Users\Admin\AppData\Local\Temp\775b0855bc044161e708c763759ce653.exe
  "C:\Users\Admin\AppData\Local\Temp\775b0855bc044161e708c763759ce653.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3232
- - C:\Users\Admin\AppData\Local\Temp\775b0855bc044161e708c763759ce653.exe
    "C:\Users\Admin\AppData\Local\Temp\775b0855bc044161e708c763759ce653.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1412
  - - C:\Windows\SysWOW64\igfxtr64.exe
      "C:\Windows\SysWOW64\igfxtr64.exe" C:\Users\Admin\AppData\Local\Temp\775B08~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:4728
    - - C:\Windows\SysWOW64\igfxtr64.exe
        
        "C:\Windows\SysWOW64\igfxtr64.exe" C:\Users\Admin\AppData\Local\Temp\775B08~1.EXE
        5⤵
        Modifies firewall policy service
        Deletes itself
        Executes dropped EXE
        Adds Run key to start application
        Maps connected drives based on registry
        Drops file in System32 directory
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1644

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

igfxtr64.exe

Path C:\Windows\SysWOW64\igfxtr64.exe
Size 238KB
SHA256 4f63e5284484a33b68a3d42d16cfafed8f2db8cec8f956cfa579dcd3ab2de002
MD5 775b0855bc044161e708c763759ce653
SHA1 c93dbb7e3d477ec589667369f18dfe67171eb7b5
SHA512 b43548114cbab777c6f2fd4139bf7f30e3c27f5166ef91386938fe11089bac2a25754103da7dcf4c6c58fcc5110e13ba7c5e401ec0a5d1c7f8ca05b1ab2e7be1
SSDEEP 6144:D/9tYkCwRcAApwWlg+v8FiDDDDDDDDDDXDDDDDDDDDlDDDDDDDDDDXDDDDDDDDDx:D/9tYl6Apflp4Q
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1412-0-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1412-2-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1412-3-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1412-4-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1412-38-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1644-43-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1644-44-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1644-45-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1644-46-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1644-47-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1644-48-0x0000000000400000-0x0000000000464000-memory.dmp

Download

memory/1644-54-0x0000000000400000-0x0000000000464000-memory.dmp

Download