metasploit | 42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77

General

Target

42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
Size

254KB
MD5

0edf806e20d24c0cfaea2870575f237f
SHA1

56b1cf7216cd202dbc3eee13f327063fec455de6
SHA256

42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77
SHA512

b0c1599c75864589fd318a8a220f6fb6718597f7a137643e1e2efa92a5cdeb0d571181b1cd7d84cf4c2bb7b517e01cb6765e479ca83b631a542c66893904d7bc
SSDEEP

3072:hbImBLUPGt8B7VB1AOzX60/l0NzwqlyVFptUhABLsx1F4ksdeRj6Xa7O6c:h0mOB7VB1dX6xsqA3DUhSLsx1jFj6Xam

Score

10^/10

metasploit backdoor discovery 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
Metasploit family
metasploit

Modifies firewall policy service 3 TTPs 8 IoCs

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\DomainProfile\AuthorizedApplications	igfxkp32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxkp32.exe = "C:\\Windows\\SysWOW64\\igfxkp32.exe:*:Enabled:Intel Display Dashboard"	igfxkp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	igfxkp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxkp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxkp32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxkp32.exe = "C:\\Windows\\SysWOW64\\igfxkp32.exe:*:Enabled:Intel Display Dashboard"	igfxkp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxkp32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxkp32.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe

Deletes itself 1 IoCs

pid	Process
3112	igfxkp32.exe

Executes dropped EXE 2 IoCs

pid	Process
4060	igfxkp32.exe
3112	igfxkp32.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 Display Dashboard = "C:\\Windows\\SysWOW64\\igfxkp32.exe"	igfxkp32.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxkp32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxkp32.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
File opened for modification	C:\Windows\SysWOW64\igfxkp32.exe	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
File created	C:\Windows\SysWOW64\igfxkp32.exe	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
File opened for modification	C:\Windows\SysWOW64\	igfxkp32.exe
File opened for modification	C:\Windows\SysWOW64\igfxkp32.exe	igfxkp32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3972 set thread context of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 4060 set thread context of 3112	4060	igfxkp32.exe	91

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1848-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1848-2-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1848-4-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1848-3-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1848-5-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1848-41-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3112-48-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/1848-39-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3112-49-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3112-51-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3112-53-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral2/memory/3112-63-0x0000000000400000-0x0000000000467000-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 4 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	igfxkp32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxkp32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1848	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
1848	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
1848	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
1848	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe
3112	igfxkp32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 3972 wrote to memory of 1848	3972	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	82
PID 1848 wrote to memory of 4060	1848	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	90
PID 1848 wrote to memory of 4060	1848	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	90
PID 1848 wrote to memory of 4060	1848	42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe	90
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 4060 wrote to memory of 3112	4060	igfxkp32.exe	91
PID 3112 wrote to memory of 3464	3112	igfxkp32.exe	56
PID 3112 wrote to memory of 3464	3112	igfxkp32.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464
- C:\Users\Admin\AppData\Local\Temp\42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
  "C:\Users\Admin\AppData\Local\Temp\42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3972
- - C:\Users\Admin\AppData\Local\Temp\42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.exe
    "C:\Users\Admin\AppData\Local\Temp\42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77.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:1848
  - - C:\Windows\SysWOW64\igfxkp32.exe
      "C:\Windows\SysWOW64\igfxkp32.exe" C:\Users\Admin\AppData\Local\Temp\42B08A~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4060
    - - C:\Windows\SysWOW64\igfxkp32.exe
        
        "C:\Windows\SysWOW64\igfxkp32.exe" C:\Users\Admin\AppData\Local\Temp\42B08A~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:3112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\igfxkp32.exe

Filesize
254KB

MD5
0edf806e20d24c0cfaea2870575f237f

SHA1
56b1cf7216cd202dbc3eee13f327063fec455de6

SHA256
42b08ae9b1209575096b81df6e2ecda235757cd674d9ba3fc28e474c7ad35c77

SHA512
b0c1599c75864589fd318a8a220f6fb6718597f7a137643e1e2efa92a5cdeb0d571181b1cd7d84cf4c2bb7b517e01cb6765e479ca83b631a542c66893904d7bc

Download Submit
memory/1848-41-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1848-4-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1848-3-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1848-5-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1848-2-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1848-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1848-39-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3112-48-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3112-49-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3112-51-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3112-53-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3112-63-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads