metasploit | 46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07

General

Target

46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
Size

244KB
MD5

01b6c88aab7dbbc0bde23ff6c4a65e4f
SHA1

3db1ab5fe72f3546e5af5077c53d42b0a17289ca
SHA256

46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07
SHA512

b2f176f041c19b38668c8f7c1f0199bef9850ada9f58f2988a722f61cdd2f5aeb84b459c94c68992efce3d6c41b4ca7332d54c2083046ded6a09e7af9cf619ee
SSDEEP

3072:+hbCmGrIAlFbWxMF16W/9uUsk6NoSOyuMiDaoX16FPcL9cNwLUNZ+7VP2FY3J31F:+heP7wMCBs/Io31YEmNwLUnYgOF

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\StandardProfile\AuthorizedApplications\List	igfxnc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	igfxnc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	igfxnc64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnc64.exe = "C:\\Windows\\SysWOW64\\igfxnc64.exe:*:Enabled:Intel N-Display Core"	igfxnc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List	igfxnc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile	igfxnc64.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications	igfxnc64.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxnc64.exe = "C:\\Windows\\SysWOW64\\igfxnc64.exe:*:Enabled:Intel N-Display Core"	igfxnc64.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe

Deletes itself 1 IoCs

pid	Process
920	igfxnc64.exe

Executes dropped EXE 2 IoCs

pid	Process
4704	igfxnc64.exe
920	igfxnc64.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 N-Display Core = "C:\\Windows\\SysWOW64\\igfxnc64.exe"	igfxnc64.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	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	igfxnc64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igfxnc64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\igfxnc64.exe	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
File opened for modification	C:\Windows\SysWOW64\	igfxnc64.exe
File opened for modification	C:\Windows\SysWOW64\igfxnc64.exe	igfxnc64.exe
File opened for modification	C:\Windows\SysWOW64\	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
File opened for modification	C:\Windows\SysWOW64\igfxnc64.exe	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1560 set thread context of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 4704 set thread context of 920	4704	igfxnc64.exe	97

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4764-1-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4764-5-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4764-6-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4764-4-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/4764-40-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/920-45-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/920-46-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/920-48-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/920-49-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/920-50-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/920-51-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral2/memory/920-58-0x0000000000400000-0x0000000000464000-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	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxnc64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igfxnc64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4764	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
4764	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
4764	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
4764	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe
920	igfxnc64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 1560 wrote to memory of 4764	1560	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	91
PID 4764 wrote to memory of 4704	4764	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	96
PID 4764 wrote to memory of 4704	4764	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	96
PID 4764 wrote to memory of 4704	4764	46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe	96
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 4704 wrote to memory of 920	4704	igfxnc64.exe	97
PID 920 wrote to memory of 3408	920	igfxnc64.exe	56
PID 920 wrote to memory of 3408	920	igfxnc64.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3408
- C:\Users\Admin\AppData\Local\Temp\46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
  "C:\Users\Admin\AppData\Local\Temp\46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1560
- - C:\Users\Admin\AppData\Local\Temp\46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.exe
    "C:\Users\Admin\AppData\Local\Temp\46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07.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:4764
  - - C:\Windows\SysWOW64\igfxnc64.exe
      "C:\Windows\SysWOW64\igfxnc64.exe" C:\Users\Admin\AppData\Local\Temp\46F21F~1.EXE
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4704
    - - C:\Windows\SysWOW64\igfxnc64.exe
        
        "C:\Windows\SysWOW64\igfxnc64.exe" C:\Users\Admin\AppData\Local\Temp\46F21F~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:920

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\igfxnc64.exe

Filesize
244KB

MD5
01b6c88aab7dbbc0bde23ff6c4a65e4f

SHA1
3db1ab5fe72f3546e5af5077c53d42b0a17289ca

SHA256
46f21fd7868544dfe02bd71a2aa3883cf862d421d2820dd4bbda01cb8fd80c07

SHA512
b2f176f041c19b38668c8f7c1f0199bef9850ada9f58f2988a722f61cdd2f5aeb84b459c94c68992efce3d6c41b4ca7332d54c2083046ded6a09e7af9cf619ee

Download Submit
memory/920-49-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/920-48-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/920-58-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/920-51-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/920-50-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/920-46-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/920-45-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1560-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1560-3-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4704-47-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4764-40-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4764-1-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4764-4-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4764-6-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4764-5-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads