Analysis

  • max time kernel
    32s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 06:36

General

  • Target

    068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836.exe

  • Size

    212KB

  • MD5

    c470697cbd81bdbb52eb434c423f9218

  • SHA1

    2c3c29ea27e2afec2c55ee89ac56eb88e796ec32

  • SHA256

    068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836

  • SHA512

    e14a40e7276a51899048371a79b403b118bbbd65c2c91912bff7da8dd9322607c6d11d63e77232cabb4574c9d1b95a917c62ccffa78cf41d6a7cdf6b3c75669b

  • SSDEEP

    3072:rOqElnKetCj6omkCHXeXxhUlx4yhP/3CiMkCAdPEgG+KpEYHjC9nhIIcp:wlnD1oWHqxhDGwEdPEgG+KpEYeWHp

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.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836.exe
    "C:\Users\Admin\AppData\Local\Temp\068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Users\Admin\AppData\Local\Temp\068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836.exe
      "C:\Users\Admin\AppData\Local\Temp\068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836.exe"
      2⤵
      • Loads dropped DLL
      • Maps connected drives based on registry
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\SysWOW64\igfxdh86.exe
        "C:\Windows\SysWOW64\igfxdh86.exe" C:\Users\Admin\AppData\Local\Temp\068611~1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Windows\SysWOW64\igfxdh86.exe
          "C:\Windows\SysWOW64\igfxdh86.exe" C:\Users\Admin\AppData\Local\Temp\068611~1.EXE
          4⤵
            PID:1664

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\igfxdh86.exe

      Filesize

      212KB

      MD5

      c470697cbd81bdbb52eb434c423f9218

      SHA1

      2c3c29ea27e2afec2c55ee89ac56eb88e796ec32

      SHA256

      068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836

      SHA512

      e14a40e7276a51899048371a79b403b118bbbd65c2c91912bff7da8dd9322607c6d11d63e77232cabb4574c9d1b95a917c62ccffa78cf41d6a7cdf6b3c75669b

    • C:\Windows\SysWOW64\igfxdh86.exe

      Filesize

      212KB

      MD5

      c470697cbd81bdbb52eb434c423f9218

      SHA1

      2c3c29ea27e2afec2c55ee89ac56eb88e796ec32

      SHA256

      068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836

      SHA512

      e14a40e7276a51899048371a79b403b118bbbd65c2c91912bff7da8dd9322607c6d11d63e77232cabb4574c9d1b95a917c62ccffa78cf41d6a7cdf6b3c75669b

    • \Windows\SysWOW64\igfxdh86.exe

      Filesize

      212KB

      MD5

      c470697cbd81bdbb52eb434c423f9218

      SHA1

      2c3c29ea27e2afec2c55ee89ac56eb88e796ec32

      SHA256

      068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836

      SHA512

      e14a40e7276a51899048371a79b403b118bbbd65c2c91912bff7da8dd9322607c6d11d63e77232cabb4574c9d1b95a917c62ccffa78cf41d6a7cdf6b3c75669b

    • \Windows\SysWOW64\igfxdh86.exe

      Filesize

      212KB

      MD5

      c470697cbd81bdbb52eb434c423f9218

      SHA1

      2c3c29ea27e2afec2c55ee89ac56eb88e796ec32

      SHA256

      068611c8f936f1efb7cb76b1349a92720dcab52bd3ad1e268b0d300028e1a836

      SHA512

      e14a40e7276a51899048371a79b403b118bbbd65c2c91912bff7da8dd9322607c6d11d63e77232cabb4574c9d1b95a917c62ccffa78cf41d6a7cdf6b3c75669b

    • memory/1172-59-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1172-61-0x0000000076711000-0x0000000076713000-memory.dmp

      Filesize

      8KB

    • memory/1172-62-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1172-63-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1172-64-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1172-65-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1172-54-0x0000000000000000-mapping.dmp

    • memory/1172-56-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1172-58-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1172-55-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/1592-68-0x0000000000000000-mapping.dmp

    • memory/1664-71-0x0000000000000000-mapping.dmp