Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 03:03

General

  • Target

    8fa756072794a29c5ac24ced13f07b26f1f164a05ce8c6a31f40f08c3d4cac7f.exe

  • Size

    70KB

  • MD5

    621bdc4df24c5507bbaec84fa6325e04

  • SHA1

    3339e99ed86bfa2ce981475daa701319865d8d1c

  • SHA256

    8fa756072794a29c5ac24ced13f07b26f1f164a05ce8c6a31f40f08c3d4cac7f

  • SHA512

    ea5b6a5ab4d2936dbcc0f3b87d8a7d7b5187f3993692ddf749dc0b0642c2dbdb932bc56c7de09647244c8a2142dcfabe916df92e126c04c15110843653ecc6ba

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl1C:Olg35GTslA5t3/w8R

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • 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:436
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1200
        • C:\Users\Admin\AppData\Local\Temp\8fa756072794a29c5ac24ced13f07b26f1f164a05ce8c6a31f40f08c3d4cac7f.exe
          "C:\Users\Admin\AppData\Local\Temp\8fa756072794a29c5ac24ced13f07b26f1f164a05ce8c6a31f40f08c3d4cac7f.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2088
          • C:\Windows\SysWOW64\iftotog-odoot.exe
            "C:\Windows\system32\iftotog-odoot.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1724
            • C:\Windows\SysWOW64\iftotog-odoot.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2384

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\ahbokeb-udac.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\tsootar.exe

        Filesize

        72KB

        MD5

        c6ce293b45dc6a50d1d22f7063e17710

        SHA1

        943082cdb4cf1c735e94614f9407152a30fb3d8c

        SHA256

        6c340af163e4dd5352d2831b8d09cabb54fd23f44a52ab361f75af8660e78b88

        SHA512

        599a6fd7fb4d016a5863c06507ad5f1207381842de028b66412625e198275dd34fc89110017c1f5c4ffdb2f363160ea73808d9420f67bb45fe5e98e8cc094ceb

      • C:\Windows\SysWOW64\umtotoon-ouxix.exe

        Filesize

        73KB

        MD5

        443159dfcb51270573e4367f554cb5b4

        SHA1

        7b952258c4908b02b3fdc94e36d7813f822feaef

        SHA256

        1a2d2c6a0aad1617cd3c9285a3ad2d8caabce570e2a5024ae5c10ded7299d1d1

        SHA512

        548f7247b0264dff60fb16f81682634097d7352564f20f4ce42299c57f60d98f6daaa3233ddd026e82c07a39570813c867a3f19629db22f42dfa234010074430

      • \Windows\SysWOW64\iftotog-odoot.exe

        Filesize

        70KB

        MD5

        621bdc4df24c5507bbaec84fa6325e04

        SHA1

        3339e99ed86bfa2ce981475daa701319865d8d1c

        SHA256

        8fa756072794a29c5ac24ced13f07b26f1f164a05ce8c6a31f40f08c3d4cac7f

        SHA512

        ea5b6a5ab4d2936dbcc0f3b87d8a7d7b5187f3993692ddf749dc0b0642c2dbdb932bc56c7de09647244c8a2142dcfabe916df92e126c04c15110843653ecc6ba

      • memory/1724-55-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2088-9-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2384-56-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB