metasploit | 921e5de8683cc121f3667dce87c02b4c4cc3ff009a83cf0ed7f213cd7577f539

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 20:21

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General

Target

JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Size

244KB
MD5

97c171647ceae4a593ed0a22545dc555
SHA1

130fb9b31411582887e558ed0b7e358a3045faf5
SHA256

921e5de8683cc121f3667dce87c02b4c4cc3ff009a83cf0ed7f213cd7577f539
SHA512

9addeba0828aa35160c336d20b31c2f2f085514def5949be17e4e4de586df3a790a26826454fcd9e2d6893f88d6191d82a7fa57e96bb87fffa301e96ebc15c6e
SSDEEP

6144:KjrVP0zmzl0rkLmzqHbBy+WV41BI4tzY+tBcw:QrVP0zmHmOHFQV41SU6w

Score

10^/10

metasploit backdoor defense_evasion discovery 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
Metasploit family
metasploit

Modifies firewall policy service 3 TTPs 8 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxvk32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxvk32.exe = "C:\\Windows\\SysWOW64\\igfxvk32.exe:*:Enabled:Intel Virtual Config"	igfxvk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxvk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxvk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxvk32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxvk32.exe = "C:\\Windows\\SysWOW64\\igfxvk32.exe:*:Enabled:Intel Virtual Config"	igfxvk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxvk32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxvk32.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	igfxvk32.exe

Deletes itself 1 IoCs

pid	Process
4668	igfxvk32.exe

Executes dropped EXE 4 IoCs

pid	Process
5780	igfxvk32.exe
4668	igfxvk32.exe
4188	igfxvk32.exe
3800	igfxvk32.exe

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 Virtual Config = "C:\\Windows\\SysWOW64\\igfxvk32.exe"	igfxvk32.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Maps connected drives based on registry 3 TTPs 6 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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxvk32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxvk32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxvk32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxvk32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	igfxvk32.exe
File opened for modification	C:\Windows\SysWOW64\	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
File opened for modification	C:\Windows\SysWOW64\igfxvk32.exe	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
File created	C:\Windows\SysWOW64\igfxvk32.exe	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5896 set thread context of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 5780 set thread context of 4668	5780	igfxvk32.exe	99
PID 4188 set thread context of 3800	4188	igfxvk32.exe	105

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3620-0-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3620-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3620-3-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3620-4-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4668-41-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/3620-39-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4668-44-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/3620-46-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/3620-47-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/4668-48-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4668-53-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/3800-56-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral2/memory/4668-57-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral2/memory/3800-58-0x0000000000400000-0x000000000044C000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	igfxvk32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxvk32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxvk32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxvk32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3620	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
3620	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
3620	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
3620	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
4668	igfxvk32.exe
4668	igfxvk32.exe
4668	igfxvk32.exe
4668	igfxvk32.exe
3800	igfxvk32.exe
3800	igfxvk32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3800	igfxvk32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 5896 wrote to memory of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 5896 wrote to memory of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 5896 wrote to memory of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 5896 wrote to memory of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 5896 wrote to memory of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 5896 wrote to memory of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 5896 wrote to memory of 3620	5896	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	88
PID 3620 wrote to memory of 5780	3620	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	98
PID 3620 wrote to memory of 5780	3620	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	98
PID 3620 wrote to memory of 5780	3620	JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe	98
PID 5780 wrote to memory of 4668	5780	igfxvk32.exe	99
PID 5780 wrote to memory of 4668	5780	igfxvk32.exe	99
PID 5780 wrote to memory of 4668	5780	igfxvk32.exe	99
PID 5780 wrote to memory of 4668	5780	igfxvk32.exe	99
PID 5780 wrote to memory of 4668	5780	igfxvk32.exe	99
PID 5780 wrote to memory of 4668	5780	igfxvk32.exe	99
PID 5780 wrote to memory of 4668	5780	igfxvk32.exe	99
PID 3336 wrote to memory of 4188	3336	cmd.exe	104
PID 3336 wrote to memory of 4188	3336	cmd.exe	104
PID 3336 wrote to memory of 4188	3336	cmd.exe	104
PID 4188 wrote to memory of 3800	4188	igfxvk32.exe	105
PID 4188 wrote to memory of 3800	4188	igfxvk32.exe	105
PID 4188 wrote to memory of 3800	4188	igfxvk32.exe	105
PID 4188 wrote to memory of 3800	4188	igfxvk32.exe	105
PID 4188 wrote to memory of 3800	4188	igfxvk32.exe	105
PID 4188 wrote to memory of 3800	4188	igfxvk32.exe	105
PID 4188 wrote to memory of 3800	4188	igfxvk32.exe	105
PID 4668 wrote to memory of 3548	4668	igfxvk32.exe	56
PID 4668 wrote to memory of 3548	4668	igfxvk32.exe	56
PID 3800 wrote to memory of 3968	3800	igfxvk32.exe	106
PID 3800 wrote to memory of 3968	3800	igfxvk32.exe	106
PID 3800 wrote to memory of 3968	3800	igfxvk32.exe	106

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3548
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:5896
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c171647ceae4a593ed0a22545dc555.exe"
    3⤵
    - Checks computer location settings
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3620
  - - C:\Windows\SysWOW64\igfxvk32.exe
      "C:\Windows\SysWOW64\igfxvk32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:5780
    - - C:\Windows\SysWOW64\igfxvk32.exe
        
        "C:\Windows\SysWOW64\igfxvk32.exe" C:\Users\Admin\AppData\Local\Temp\JAFFAC~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
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4668
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\igfxvk32.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3336
- - C:\Windows\SysWOW64\igfxvk32.exe
    C:\Windows\SysWOW64\igfxvk32.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4188
  - - C:\Windows\SysWOW64\igfxvk32.exe
      C:\Windows\SysWOW64\igfxvk32.exe
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Maps connected drives based on registry
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3800
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\igfxvk32.exe > nul
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3968

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

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\igfxvk32.exe

Filesize
244KB

MD5
97c171647ceae4a593ed0a22545dc555

SHA1
130fb9b31411582887e558ed0b7e358a3045faf5

SHA256
921e5de8683cc121f3667dce87c02b4c4cc3ff009a83cf0ed7f213cd7577f539

SHA512
9addeba0828aa35160c336d20b31c2f2f085514def5949be17e4e4de586df3a790a26826454fcd9e2d6893f88d6191d82a7fa57e96bb87fffa301e96ebc15c6e

Download Submit
memory/3620-39-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3620-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3620-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3620-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3620-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3620-46-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3620-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3800-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3800-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4668-41-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4668-53-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4668-48-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4668-57-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4668-44-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download