Analysis

  • max time kernel
    93s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 12:53

General

  • Target

    3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe

  • Size

    523KB

  • MD5

    0b37c260284040ee0beb1549da143fb5

  • SHA1

    9ae52f766f75f704a28e4dd4a5fd23ba6cc1548b

  • SHA256

    3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1

  • SHA512

    4433ba8bef7b41b70607d332a005c21472955b7d6caea68be6dfd5fdf0acdcda69fa72a121575997cc26b64db62d444d07dd386eeb2bf0cd75667ec95cf7d3ad

  • SSDEEP

    12288:KbNmJ8L4M58gAzcEHIksyBR3l1iAddpPW7rCMtvXpnh:We8L4MPAzfHBR3lkCcrCWXJh

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe
    "C:\Users\Admin\AppData\Local\Temp\3c6bbdfafb3857e5850e95629d00542fd40df0b0a2ede2d49b204158d3e1cea1.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden ; $Mins186=Get-Content 'C:\Users\Admin\AppData\Roaming\sep\Shahdoms249\terpers\Buffisternes.Muj';$Citrusfrugtens=$Mins186.SubString(61489,3);.$Citrusfrugtens($Mins186)
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
        3⤵
          PID:2940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 2556
          3⤵
          • Program crash
          PID:4516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2312 -ip 2312
      1⤵
        PID:688

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hulfl10i.kb3.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Roaming\sep\Shahdoms249\terpers\Buffisternes.Muj

        Filesize

        60KB

        MD5

        536404b62f83ffc1c1ab96b8702ac936

        SHA1

        e3fcddb4a59854532c9628fb842a89e44600d4df

        SHA256

        2257be627271ea9c32361cfcdb142ccb3b807d841dbfc04c08356cd1d8336600

        SHA512

        5e4f55571925250785b7674552960883841caf0ae0949a788d3afaf38494aab49f3838eb2f17a6138f4131ffd9f995a153d1676fc382734fde2b83d43d94663d

      • memory/2312-71-0x0000000006470000-0x00000000067C4000-memory.dmp

        Filesize

        3.3MB

      • memory/2312-72-0x00000000068E0000-0x00000000068FE000-memory.dmp

        Filesize

        120KB

      • memory/2312-59-0x0000000005940000-0x0000000005962000-memory.dmp

        Filesize

        136KB

      • memory/2312-60-0x0000000006220000-0x0000000006286000-memory.dmp

        Filesize

        408KB

      • memory/2312-61-0x0000000006300000-0x0000000006366000-memory.dmp

        Filesize

        408KB

      • memory/2312-57-0x0000000005400000-0x0000000005410000-memory.dmp

        Filesize

        64KB

      • memory/2312-56-0x0000000073310000-0x0000000073AC0000-memory.dmp

        Filesize

        7.7MB

      • memory/2312-58-0x0000000005A40000-0x0000000006068000-memory.dmp

        Filesize

        6.2MB

      • memory/2312-73-0x0000000006990000-0x00000000069DC000-memory.dmp

        Filesize

        304KB

      • memory/2312-75-0x0000000006DF0000-0x0000000006E0A000-memory.dmp

        Filesize

        104KB

      • memory/2312-76-0x0000000006E10000-0x0000000006E32000-memory.dmp

        Filesize

        136KB

      • memory/2312-74-0x0000000007AE0000-0x0000000007B76000-memory.dmp

        Filesize

        600KB

      • memory/2312-77-0x0000000008130000-0x00000000086D4000-memory.dmp

        Filesize

        5.6MB

      • memory/2312-55-0x0000000005310000-0x0000000005346000-memory.dmp

        Filesize

        216KB

      • memory/2312-79-0x0000000008D60000-0x00000000093DA000-memory.dmp

        Filesize

        6.5MB

      • memory/2312-81-0x0000000073310000-0x0000000073AC0000-memory.dmp

        Filesize

        7.7MB