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Analysis

  • max time kernel
    119s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 00:48

General

  • Target

    f21d807a2ded3f7f70a83ee43cd7e123cc6867c2ec5a34300f47d5a9a21625daN.exe

  • Size

    70KB

  • MD5

    1dc00e49cb06687846c07e0a14f3d640

  • SHA1

    ff4374d2e0310e11dcbde268470afdacb286713b

  • SHA256

    f21d807a2ded3f7f70a83ee43cd7e123cc6867c2ec5a34300f47d5a9a21625da

  • SHA512

    095cb3a16438fb6a5ba0abb3763bb0c315e43aeb5f34311fd8cb8daf683a21a13f59ce3b45af49b3fd327e14445ba9fd8533795a8d266028f57e932f15c9a14a

  • SSDEEP

    1536:SfgLdQAQfcfymNUH5Dt9iY4W8P4b4oOUzHir1v0IIKx:SftffjmNUH5DtaOWr1v0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3528
      • C:\Users\Admin\AppData\Local\Temp\f21d807a2ded3f7f70a83ee43cd7e123cc6867c2ec5a34300f47d5a9a21625daN.exe
        "C:\Users\Admin\AppData\Local\Temp\f21d807a2ded3f7f70a83ee43cd7e123cc6867c2ec5a34300f47d5a9a21625daN.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:212
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aB42D.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1360
          • C:\Users\Admin\AppData\Local\Temp\f21d807a2ded3f7f70a83ee43cd7e123cc6867c2ec5a34300f47d5a9a21625daN.exe
            "C:\Users\Admin\AppData\Local\Temp\f21d807a2ded3f7f70a83ee43cd7e123cc6867c2ec5a34300f47d5a9a21625daN.exe"
            4⤵
            • Executes dropped EXE
            PID:4392
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2276
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4144

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      244KB

      MD5

      565ba06db32f5e52c804520108e009c9

      SHA1

      21beb478ce2b527b47a015f3d6d0decbb87cbb51

      SHA256

      29283e2e6d47a4ba16cb2dc7970fdad69ee47b02ad10de021261d1451009fe7c

      SHA512

      535199337eb99dc89330fa62f1869418f0179677b3711e079e8f8013b47d5dab6fcda77f832f8dd55016431ac09216ae47719819daa1006eb3120b5d44ac99df

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      570KB

      MD5

      a4190ec647af598c74421b49b14b7fdb

      SHA1

      a803f46138b44eadbe630325684db20949f9f56a

      SHA256

      b0b1bc5fcf8e45bfbc3deb8b987c60b4f380c2e6e2bfb977578d60081a2a5693

      SHA512

      33475b643979512015265b05fd470e72bf943513537575a569d212e4e9198366d26886d6d3c94cf688409a70bd0cd5dba1982db0f358af7f787140dbb80fa2bd

    • C:\Users\Admin\AppData\Local\Temp\$$aB42D.bat

      Filesize

      728B

      MD5

      fd2136783b96a40e9629e8003942e6f1

      SHA1

      8141618753e2ed75b686ba3483caaeb0b89a0f5b

      SHA256

      6fc259858bdfa748affbd4cd28a3b5cc0afa228ca4b10e3d021822e205481bb3

      SHA512

      baef24ee14ec761a8713b644dfff2d782bfe86ec6d412c5855700c088ddb261eefe03c29a181133ed3a090d7946db695d2ea0b446436f170a352cefa4c8cc6b3

    • C:\Users\Admin\AppData\Local\Temp\f21d807a2ded3f7f70a83ee43cd7e123cc6867c2ec5a34300f47d5a9a21625daN.exe.exe

      Filesize

      43KB

      MD5

      f97a48d68afad7deeda7449820a6c352

      SHA1

      9d3091d9aa1a13f14f88c97f9f4274b3a67ce022

      SHA256

      0a868fc0cec233ae33c92485e4c8ce4a7659cfc8103d857b211e550b051be1c2

      SHA512

      f865b055c3527dda5fbf0cabfb7c32e46f0bfeb763325392448f0bcc2a0de977c34f96e331d4ce508b2e0d6b8fca6d672dec79a07dd1ff5ecc32ea5e67269422

    • C:\Windows\Logo1_.exe

      Filesize

      26KB

      MD5

      41b7498859ec2514d5251c99701a5abb

      SHA1

      2d2c8d30b0d3232bdcb6ce0ae531120af2adfc87

      SHA256

      1e29412173e57496c61a4a9f8685d3fc9b4be142a3252cd198fa819dd2105130

      SHA512

      52f881a4753cb45e26481b1aa33e1f2266998bde7ccc6a76610d376a98c0d2f47e6462a7eee145591b9f0798ba3a22d72a1c4f1a48e6f229837f5b8bbb5b573b

    • F:\$RECYCLE.BIN\S-1-5-21-940901362-3608833189-1915618603-1000\_desktop.ini

      Filesize

      9B

      MD5

      1db84ab14f95c77ed9f73b444afe7548

      SHA1

      a3c8282dbe6b16a8a263409827e1c94488e82bab

      SHA256

      395bbd0ae569524e627b9b111a4ac729f524e449f7dd8a1ae4d810f72e505b0e

      SHA512

      fc82a2c81847882cfa78770c057a0ee8c814cb4d0f2902714f30f156f25e05e8419675e0c0700d5085d97879ccb2f7329c6251debaff4a8489fedc7910901047

    • memory/212-0-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/212-11-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-33-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-39-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-43-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-26-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-567-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-1240-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-8-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2616-4791-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB