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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 16:08

General

  • Target

    e90446bc0b3b6439ed60ae09d59967ae.exe

  • Size

    2.0MB

  • MD5

    e90446bc0b3b6439ed60ae09d59967ae

  • SHA1

    a295ad6314b3a7e348940baabaa4d6cea1502a87

  • SHA256

    353451de88f4fccd6138f8bf3c87533fc8b508320e97947c91a2a1e76d330518

  • SHA512

    3040c98037c6f75c7eeed8d5db6419c7cb51487a920ed56de7bb6ca74f0d53088431078b924d967a4c9fafcff62a5680211a77c738f5fbb49f8ee9cee71ce7a4

  • SSDEEP

    49152:tzcHOji+SJkMyF1fau20JY6l+T5C5HJhLmzrkau20JY6l+:tzeCY2MO1fau/ulTw5HrLmzrkau/ul

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e90446bc0b3b6439ed60ae09d59967ae.exe
    "C:\Users\Admin\AppData\Local\Temp\e90446bc0b3b6439ed60ae09d59967ae.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\e90446bc0b3b6439ed60ae09d59967ae.exe
      C:\Users\Admin\AppData\Local\Temp\e90446bc0b3b6439ed60ae09d59967ae.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\e90446bc0b3b6439ed60ae09d59967ae.exe" /TN WAgLRKqP8c0d /F
        3⤵
        • Creates scheduled task(s)
        PID:2740
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN WAgLRKqP8c0d > C:\Users\Admin\AppData\Local\Temp\KK8dYDkTI.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN WAgLRKqP8c0d
          4⤵
            PID:596

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\KK8dYDkTI.xml

      Filesize

      1KB

      MD5

      3d4b7b55a39de124494a5f49382e7488

      SHA1

      fca4773cc49a37036d2abf23efe5f6198268b079

      SHA256

      93c414ff6ef6ab5a614c44ba54c09716c1406af78728d68fb8f6cd3e9361acf3

      SHA512

      eae00685d0cdd28c08ac53f80982fcd507688f61f6ecbffe12dbc66a89bcf03de1d0cee3b43f89141ba97b45444027674e9038b8a6b45bb09a32bf89122331b9

    • C:\Users\Admin\AppData\Local\Temp\e90446bc0b3b6439ed60ae09d59967ae.exe

      Filesize

      2.0MB

      MD5

      0f56a127e53e723bab12a39ab36be90a

      SHA1

      384d4fc1ee3dda1dc61f3d0f0bc3fe65fc0b8055

      SHA256

      64f1d7661ce5812b7898b4c5118615e8a4a5c3c03af3f4eb1806927c2e9ce790

      SHA512

      a65378eae87b4d42c16a98b1764894f65cb2e3e1f160fc837ac9f7398350f4e638516a9d36248aec82d236e90c89f6d2d96bd7f5010114bd7c488bec0a06bb29

    • \Users\Admin\AppData\Local\Temp\e90446bc0b3b6439ed60ae09d59967ae.exe

      Filesize

      80KB

      MD5

      618a57e2cba33c0e719026d2b5c008ab

      SHA1

      6aa9efa4bd8c20c95d61cc7490290f7d256b840c

      SHA256

      6a0aead0335e65e64ca00901b7b4cf8e074942bbfe8086ab17fee7af02e635bc

      SHA512

      1dc02743a14d107a33b8993ff97c4766df7900a6a90546fb16f3d0c6a30a8fa5f4254da9b9cda837eb2a608d1a1e42575c4e714bb2b60ef25ba5b28d38927f2b

    • memory/1516-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/1516-16-0x0000000023300000-0x000000002355C000-memory.dmp

      Filesize

      2.4MB

    • memory/1516-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1516-3-0x0000000001660000-0x00000000016DE000-memory.dmp

      Filesize

      504KB

    • memory/1516-32-0x0000000023300000-0x000000002355C000-memory.dmp

      Filesize

      2.4MB

    • memory/1516-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2416-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2416-21-0x0000000000320000-0x000000000039E000-memory.dmp

      Filesize

      504KB

    • memory/2416-28-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2416-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2416-33-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB