Analysis

  • max time kernel
    80s
  • max time network
    82s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25-07-2024 02:26

General

  • Target

    DD Spotify Acc Gen.exe

  • Size

    296KB

  • MD5

    c4cf132278a366635533a2734901aa95

  • SHA1

    06ea6b94f8accb59c3115c67208a1116a12a7f1e

  • SHA256

    382f9d13e5a5945980c767ec1d98732d971a4e07bdb9ed1950d6c455edbb203a

  • SHA512

    d6f4343892a266db8b62892d0c8eef5e63492f49e237d704cf2c5237fe5249f948dbbc8471ae2db00a862af9d7658c6286a72a0f3134786dae82d5fad72eb120

  • SSDEEP

    6144:dloZM+rIkd8g+EtXHkv/iD4PaIWVjgULYyD1Ac5eIb8e1mWiQ:/oZVL+EP8PaIWVjgULYyD1Ac5n0

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 58 IoCs
  • Suspicious use of SendNotifyMessage 58 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe
    "C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4392
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1584
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1516
    • C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe
      "C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4248
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3672

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\DD Spotify Acc Gen.exe.log

      Filesize

      1KB

      MD5

      53ea0a2251276ba7ae39b07e6116d841

      SHA1

      5f591af152d71b2f04dfc3353a1c96fd4153117d

      SHA256

      3f7b0412c182cbdefb3eedafe30233d209d734b1087234ac15409636006b3302

      SHA512

      cf63abfe61389f241755eef4b8ed0f41701568b79d1263e885f8989ce3eca6bf9f8d5805b4cc7304aaaa5c7e14122b0d15bd9948e47108107bbb7219fd498306

    • memory/3912-0-0x00007FFE8F503000-0x00007FFE8F504000-memory.dmp

      Filesize

      4KB

    • memory/3912-1-0x00000170F0080000-0x00000170F00D0000-memory.dmp

      Filesize

      320KB

    • memory/3912-2-0x00007FFE8F500000-0x00007FFE8FEEC000-memory.dmp

      Filesize

      9.9MB

    • memory/3912-4-0x00007FFE8F500000-0x00007FFE8FEEC000-memory.dmp

      Filesize

      9.9MB