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Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 04:06

General

  • Target

    da2c497bc409f6354f3836db3b47b869ae39f1a103de37061746765879f7ba66.exe

  • Size

    72KB

  • MD5

    79830a34c98df7f9cf408cf1c10701df

  • SHA1

    efe583166075d7e5fce588ce75afcd403c6b0082

  • SHA256

    da2c497bc409f6354f3836db3b47b869ae39f1a103de37061746765879f7ba66

  • SHA512

    d407e276b0768a101d1c254e50ebd10bc4acafd7b2a6c7287dc61c5b5abb9f93082eb81247fa235f8ba2d1e1adb6686208b252b258e708967f1b39105054950a

  • SSDEEP

    1536:xeYGHYFoC0ZzetcCf4X2JdnRfzAuvbG/jyydIL+pNsIFrTu3MZH:AYGHYb0ZHCfg2Jdn+dIKpNXFu3OH

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 1 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:1216
        • C:\Users\Admin\AppData\Local\Temp\da2c497bc409f6354f3836db3b47b869ae39f1a103de37061746765879f7ba66.exe
          "C:\Users\Admin\AppData\Local\Temp\da2c497bc409f6354f3836db3b47b869ae39f1a103de37061746765879f7ba66.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Windows\SysWOW64\ictohoam.exe
            "C:\Windows\SysWOW64\ictohoam.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:2792
            • C:\Windows\SysWOW64\ictohoam.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:2892

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\cnoapear-pur.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\eamdagut.exe

        Filesize

        73KB

        MD5

        f9d70b282468bcf7160fef07ea573736

        SHA1

        ea1ee176eade10bbf652084da6a6ef9600e00447

        SHA256

        bcc842d46da0f2c152c8b17cd567396ea96e9555ea14c7a3b9257e0eeba23b53

        SHA512

        269bffd62fe352e7a0ef879878a68a321cd57302890e112bec2f9995583998875136f6fec647a932f92da1cddd14c903a29096b6b3d5a75f1b98bd92acd4016f

      • C:\Windows\SysWOW64\ouvxopead.exe

        Filesize

        72KB

        MD5

        2df5640054bc2a1002aee05e2c030ae4

        SHA1

        7900b165fa021c86af8881caa58e4be4e7b4dd7b

        SHA256

        685853b69e6d532f48c3c1b69fb04fe60cbc8974e539348b7e87f2a60b85f7e5

        SHA512

        465950137fff8e09ded03e42119a9b921fbda9d1156024dca81ff18df931b37ff7bc56be71209468a4dc8e05d9524ef4d9fe7417c25ae485bab2f1ed6b274f3e

      • \Windows\SysWOW64\ictohoam.exe

        Filesize

        70KB

        MD5

        663adc029eb8e233cd505383e5b986d3

        SHA1

        3ffecec6dd03c59e9da4465673ce75958d7ccac8

        SHA256

        e7a18c83ad32df5613e548e45cc58e5ca12a78a990712d6a50e39da76e2997a1

        SHA512

        f4ba2f28b231f325908c11df4db264c6ef55231257d1e94ae66e34d956f246462e83024576c5e86bd77223fd018f51da37e48263e611502e839b6d394cbac591

      • memory/2264-7-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/2792-53-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2892-54-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB