Analysis

  • max time kernel
    10s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 03:45

General

  • Target

    26d5136c8467051fe365316dbc7e96ba.exe

  • Size

    1003KB

  • MD5

    26d5136c8467051fe365316dbc7e96ba

  • SHA1

    9d5c0be5778cdc090d7d9123b874a319ed268c82

  • SHA256

    a00954882e678c7ef327523290102ecc25f6717fc8e73dd65adc206158d70665

  • SHA512

    c8a5fcbdf68a5893a7cbf635fc60dcdf94c0b2b9aada23a6e4c9dc83582ecad72e1fda00f2446ab207111a69e74b3cc8f51af3614c2f721534b3f5f7ead53b9a

  • SSDEEP

    24576:pSkzx6xEYJiSEsGQoadai7D3uITjIFOxo53ApIj:pSkzxLYtEsGQ7ai7D3xTgOxYwpK

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 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.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26d5136c8467051fe365316dbc7e96ba.exe
    "C:\Users\Admin\AppData\Local\Temp\26d5136c8467051fe365316dbc7e96ba.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\26d5136c8467051fe365316dbc7e96ba.exe
      C:\Users\Admin\AppData\Local\Temp\26d5136c8467051fe365316dbc7e96ba.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\26d5136c8467051fe365316dbc7e96ba.exe" /TN U5Z8sQiHf24d /F
        3⤵
        • Creates scheduled task(s)
        PID:2016
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN U5Z8sQiHf24d > C:\Users\Admin\AppData\Local\Temp\UHDHSjB.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2856
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN U5Z8sQiHf24d
          4⤵
            PID:2896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\26d5136c8467051fe365316dbc7e96ba.exe

      Filesize

      1003KB

      MD5

      12c05bde62409bb6212fe876affa7d6b

      SHA1

      496a6f0c68059a12c3c325e4e091b9dd64844e3d

      SHA256

      db9936e9fcbc496811bae4738593190adc02c51cbc09ca0da41ede90d7450f19

      SHA512

      c1e7386325dc36e326dfec120d6d2b69e8f535b0b23e3a66a28dfa3a304ac3afeeb716816ee09555bd36b25d3c1f10de03aef6314aa61751e3d5bafecabeeabe

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

      Filesize

      1KB

      MD5

      9ceac302f261db766107b6e4707acd55

      SHA1

      c54f4a7ec99e3f82c92ce6c794c81a0d564df075

      SHA256

      ddca2bb56aa0d6d0dd97c18904af917763a37a955af6a61cd0b11aed7d7dcbcb

      SHA512

      69e1cfdc4c2df8f8e7c8f543f8f36e969de79a722cf5327cd4a350884e62a2efb7a372d9aaaee61fad52ad59fa05374e10cca2ff9992a3179551951008b6fc91

    • memory/2140-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2140-19-0x0000000023010000-0x000000002326C000-memory.dmp

      Filesize

      2.4MB

    • memory/2140-16-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2140-2-0x00000000001A0000-0x000000000021E000-memory.dmp

      Filesize

      504KB

    • memory/2140-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2140-54-0x0000000023010000-0x000000002326C000-memory.dmp

      Filesize

      2.4MB

    • memory/2332-28-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2332-25-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2332-26-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2332-18-0x0000000001660000-0x00000000016DE000-memory.dmp

      Filesize

      504KB

    • memory/2332-55-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB