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Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 14:43

General

  • Target

    c940abd49dd66ca56a2e730559693402.exe

  • Size

    1003KB

  • MD5

    c940abd49dd66ca56a2e730559693402

  • SHA1

    ef485356936ed0693522ae5c9538c39fed789fc6

  • SHA256

    383ebd9a31e3f1874901c32fbfb2310bce1d2e3d924f2b238e145ac9da608ff8

  • SHA512

    52e012484fc835f0112475ec4295a0faa1faf4198f16fb4b145f5c6446d84d108e90d3c595cc80808ec9f3c233829ac10dac2b2fde2663605e02dfa408e9733f

  • SSDEEP

    24576:m+3Edqfw8Rqzj9GeVuLLwNa0erkZdEx3Knx6Y6:m+3EdqI8R2j9GeVCLwNBerkZdEx3Kns

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 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\c940abd49dd66ca56a2e730559693402.exe
    "C:\Users\Admin\AppData\Local\Temp\c940abd49dd66ca56a2e730559693402.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\c940abd49dd66ca56a2e730559693402.exe
      C:\Users\Admin\AppData\Local\Temp\c940abd49dd66ca56a2e730559693402.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3048
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\c940abd49dd66ca56a2e730559693402.exe" /TN 6ek6uOO9da42 /F
    1⤵
    • Creates scheduled task(s)
    PID:2564
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN 6ek6uOO9da42
    1⤵
      PID:2876
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c schtasks.exe /Query /XML /TN 6ek6uOO9da42 > C:\Users\Admin\AppData\Local\Temp\alb3lo.xml
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\alb3lo.xml

      Filesize

      1KB

      MD5

      47e8b47deb570720ba484a2a583e8edd

      SHA1

      7a43176ca608af04b80a12e34a361b6e3119cb48

      SHA256

      29925c9dfa754e10028904a43712d1e7ad3f3aaa36226369d5ed4f78e27d3092

      SHA512

      d5b486f5f138eb6c9f51d3931a0badde6165780e97572c55d11319448f6d97346dd1cb0cdd19080e584ffc7409743f60a32de59cd914087652605623cc0fa6ba

    • C:\Users\Admin\AppData\Local\Temp\c940abd49dd66ca56a2e730559693402.exe

      Filesize

      89KB

      MD5

      e6db0e19b2005ef5337a503a09ffc0ff

      SHA1

      1e1bcef48d32218b5d45f1129940e11541ece0ae

      SHA256

      3dfd88fc0e11751109459915f6b8fb68af80f5a27da7443ebaa970674b183490

      SHA512

      f073b0dee954b9365364102beda0685e39a685f593b8223d5fbe6ca0442634a1f516c1d49b81ad28eeece6cf4d503937191dfd9764fb0f91027c1985e5b0b2ec

    • C:\Users\Admin\AppData\Local\Temp\c940abd49dd66ca56a2e730559693402.exe

      Filesize

      240KB

      MD5

      44aee63d39cd2951690d860df303d766

      SHA1

      926ebc28b9bc38c2cd1f702d552a65fc6de04631

      SHA256

      df1947ae7a79da59211ac9b16c262250c6a01540d2d8bde1d297ac779bb08ef7

      SHA512

      9b4bca925be02d7348830a3f7f29e24b955e198e896d80a863bf84832d921a626ae82e5d386eb95f072fea0160d1333e7e28c00ebed2608b441973f1dd63fd32

    • \Users\Admin\AppData\Local\Temp\c940abd49dd66ca56a2e730559693402.exe

      Filesize

      93KB

      MD5

      e7e38ab6ebd7251bf305616e33376d3a

      SHA1

      11edd8ee2a918f6d994ae3076b621317b8b7274a

      SHA256

      35c5f0dbe8e3ffff1fbc66cf37fa0318823a4ad33b313782c9d73cd1df6752d8

      SHA512

      f5d50e99e00c4dbd219f1337626dadfa2c8d75dad68fa82467a17fd6b8c614b5541ff973d79071d2b87ff8f5d1db4a5874bf768181b8334bfefd12fe4322779b

    • memory/2784-16-0x0000000022F20000-0x000000002317C000-memory.dmp

      Filesize

      2.4MB

    • memory/2784-3-0x0000000022D90000-0x0000000022E0E000-memory.dmp

      Filesize

      504KB

    • memory/2784-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2784-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2784-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2784-45-0x0000000022F20000-0x000000002317C000-memory.dmp

      Filesize

      2.4MB

    • memory/3048-21-0x0000000022DA0000-0x0000000022E1E000-memory.dmp

      Filesize

      504KB

    • memory/3048-31-0x0000000000280000-0x00000000002EB000-memory.dmp

      Filesize

      428KB

    • memory/3048-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/3048-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/3048-46-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB