Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    06-04-2023 01:25

General

  • Target

    c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4.exe

  • Size

    5.0MB

  • MD5

    5288674c2d9557bd89a0aab4869f1f60

  • SHA1

    687b6337728a7e4fa646bfd1b0ddce84bcedf23d

  • SHA256

    c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4

  • SHA512

    5305880363570bd0da5ae95fca7b54dfd70e4cb1a090c72a46420d4ce76bdb6b1b56753ef36a57d26cc06012d3028fbbb11c9afa0c6e33ec59b84caf27ad3eff

  • SSDEEP

    49152:RsOS3uqy5zwcdnOJgYGT0f7fVGyfxHN5ixWRAhMGOuhSTDMj:0ebweOJF7Q

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ar73

Decoy

classgorilla.com

b6817.com

1wwuwa.top

dgslimited.africa

deepwaterships.com

hkshshoptw.shop

hurricanevalleyatvjamboree.com

ckpconsulting.com

laojiangmath.com

authenticityhacking.com

family-doctor-53205.com

investinstgeorgeut.com

lithoearthsolution.africa

quickhealcareltd.co.uk

delightkgrillw.top

freezeclosettoilet.com

coo1star.com

gemgamut.com

enrichednetworksolutions.com

betterbeeclean.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4.exe
      "C:\Users\Admin\AppData\Local\Temp\c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:776
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        3⤵
          PID:832
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1528
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          3⤵
            PID:1664
        • C:\Windows\SysWOW64\colorcpl.exe
          "C:\Windows\SysWOW64\colorcpl.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1616
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            3⤵
              PID:1952

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Discovery

        System Information Discovery

        1
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/776-62-0x0000000002580000-0x00000000025C0000-memory.dmp
          Filesize

          256KB

        • memory/776-66-0x0000000002580000-0x00000000025C0000-memory.dmp
          Filesize

          256KB

        • memory/776-64-0x0000000002580000-0x00000000025C0000-memory.dmp
          Filesize

          256KB

        • memory/776-65-0x0000000002580000-0x00000000025C0000-memory.dmp
          Filesize

          256KB

        • memory/776-63-0x0000000002580000-0x00000000025C0000-memory.dmp
          Filesize

          256KB

        • memory/776-61-0x0000000002580000-0x00000000025C0000-memory.dmp
          Filesize

          256KB

        • memory/1244-87-0x00000000062C0000-0x0000000006382000-memory.dmp
          Filesize

          776KB

        • memory/1244-90-0x00000000062C0000-0x0000000006382000-memory.dmp
          Filesize

          776KB

        • memory/1244-76-0x0000000005EE0000-0x0000000005FC9000-memory.dmp
          Filesize

          932KB

        • memory/1244-86-0x00000000062C0000-0x0000000006382000-memory.dmp
          Filesize

          776KB

        • memory/1244-73-0x0000000003FD0000-0x00000000041D0000-memory.dmp
          Filesize

          2.0MB

        • memory/1244-84-0x0000000000010000-0x0000000000020000-memory.dmp
          Filesize

          64KB

        • memory/1376-58-0x0000000005F90000-0x0000000006022000-memory.dmp
          Filesize

          584KB

        • memory/1376-57-0x0000000000D30000-0x0000000000D62000-memory.dmp
          Filesize

          200KB

        • memory/1376-56-0x00000000066E0000-0x0000000006810000-memory.dmp
          Filesize

          1.2MB

        • memory/1376-55-0x0000000005070000-0x00000000050B0000-memory.dmp
          Filesize

          256KB

        • memory/1376-54-0x00000000002D0000-0x00000000007D0000-memory.dmp
          Filesize

          5.0MB

        • memory/1528-71-0x0000000000400000-0x000000000042F000-memory.dmp
          Filesize

          188KB

        • memory/1528-75-0x00000000003C0000-0x00000000003D4000-memory.dmp
          Filesize

          80KB

        • memory/1528-77-0x0000000000400000-0x000000000042F000-memory.dmp
          Filesize

          188KB

        • memory/1528-74-0x0000000000770000-0x0000000000A73000-memory.dmp
          Filesize

          3.0MB

        • memory/1528-70-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
          Filesize

          4KB

        • memory/1528-69-0x0000000000400000-0x000000000042F000-memory.dmp
          Filesize

          188KB

        • memory/1528-68-0x0000000000400000-0x000000000042F000-memory.dmp
          Filesize

          188KB

        • memory/1616-78-0x00000000000F0000-0x0000000000108000-memory.dmp
          Filesize

          96KB

        • memory/1616-79-0x00000000000F0000-0x0000000000108000-memory.dmp
          Filesize

          96KB

        • memory/1616-80-0x0000000000080000-0x00000000000AF000-memory.dmp
          Filesize

          188KB

        • memory/1616-81-0x0000000001FB0000-0x00000000022B3000-memory.dmp
          Filesize

          3.0MB

        • memory/1616-82-0x0000000000080000-0x00000000000AF000-memory.dmp
          Filesize

          188KB

        • memory/1616-85-0x0000000001CE0000-0x0000000001D73000-memory.dmp
          Filesize

          588KB