Analysis

  • max time kernel
    119s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 10:11

General

  • Target

    afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe

  • Size

    81KB

  • MD5

    c5e3582d0eb9a810089dbbf3d5dcf9cb

  • SHA1

    407a1a566d75fbc2fd2ce11df7f767a74ff9be8b

  • SHA256

    afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4

  • SHA512

    b6df05ab71a093b44a166feae046106fad2df51d76e1d17fe52f0f0f5268ffbfa5f77afb7b8e58660216f5752c8b3ca0b2f691fcec63c9018680bd857f597453

  • SSDEEP

    1536:BteqGDlXvCDB04f5Gn/L8ZlALNtnd17i9wD:Olg35GTclABtnDi9wD

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    remove IFEO.

  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3500
        • C:\Users\Admin\AppData\Local\Temp\afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe
          "C:\Users\Admin\AppData\Local\Temp\afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4.exe"
          2⤵
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3284
          • C:\Windows\SysWOW64\tmoopeg.exe
            "C:\Windows\system32\tmoopeg.exe"
            3⤵
            • Windows security bypass
            • Boot or Logon Autostart Execution: Active Setup
            • Event Triggered Execution: Image File Execution Options Injection
            • Executes dropped EXE
            • Windows security modification
            • Indicator Removal: Clear Persistence
            • Modifies WinLogon
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3860
            • C:\Windows\SysWOW64\tmoopeg.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:1916

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\acberab.exe

        Filesize

        83KB

        MD5

        5a1a1d5e7ab8507e2c7f5c6af270d8b3

        SHA1

        7702d23bc34c6fac577f846ed820611c79650207

        SHA256

        2f2f58d0f01f94db55f531d8ce3bfd298a9a6da481886fe4eaea08d0f4fcf99f

        SHA512

        f143946cee4953b854cbcecef796b134d18b9e2922a2b44edcfe16ad698bd609189282e9ef93adce44372224e8d0de1ac1d7c10a4751ae7adb4b995e7006e12c

      • C:\Windows\SysWOW64\atvofeak.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\ouctisuc.exe

        Filesize

        84KB

        MD5

        cf8270b42936fe9610f7bdd28e75aa23

        SHA1

        ce3ca0e6ddbd80078f89a6880f01457f3e40d490

        SHA256

        aa479734ac1f5abfc042f982b20e9b0d56342c69ac00431b129efd9df5a1cd92

        SHA512

        ebd202ad0fe920dd35aa0f1eb97c9b08e0d56bc741daec38a88e77c89eddd9e852c281eec04eddd0386797b397f885ccabfabaa46aea5e67f0540fd143c38aad

      • C:\Windows\SysWOW64\tmoopeg.exe

        Filesize

        81KB

        MD5

        c5e3582d0eb9a810089dbbf3d5dcf9cb

        SHA1

        407a1a566d75fbc2fd2ce11df7f767a74ff9be8b

        SHA256

        afcc2e8247aeb05e419d75c73490a1a12809167149b4923291474db0133ce6c4

        SHA512

        b6df05ab71a093b44a166feae046106fad2df51d76e1d17fe52f0f0f5268ffbfa5f77afb7b8e58660216f5752c8b3ca0b2f691fcec63c9018680bd857f597453

      • memory/1916-47-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3284-5-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3860-46-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB