Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 11:06

General

  • Target

    16bdeaeb70dacd253a67ae0a5663fabf.exe

  • Size

    3.2MB

  • MD5

    16bdeaeb70dacd253a67ae0a5663fabf

  • SHA1

    77170ff59bbff19d4fa8299558bd3c8ca4c65bd6

  • SHA256

    c882931ae5c852163a86435ff08af41032d63b4dd0b3b802acac5241ba5e450c

  • SHA512

    331169c56d0e93b8157d557769294e2cfdf7104cccc4c0b38ce2f01af8d4c5fd31bb8653dd270cee317ec12c2e2dbed5e4b0b4d3c3222d9f1fe8dddec962c023

  • SSDEEP

    98304:dsGa7WMoIScakcvn+RyS+gr7cakco+IomhpzUWbcakcvn+RyS+gr7cakcO:d5a7WMoXdlvn+JX7dlboyWbdlvn+JX72

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 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\16bdeaeb70dacd253a67ae0a5663fabf.exe
    "C:\Users\Admin\AppData\Local\Temp\16bdeaeb70dacd253a67ae0a5663fabf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\16bdeaeb70dacd253a67ae0a5663fabf.exe
      C:\Users\Admin\AppData\Local\Temp\16bdeaeb70dacd253a67ae0a5663fabf.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\16bdeaeb70dacd253a67ae0a5663fabf.exe" /TN BSpsfata099d /F
        3⤵
        • Creates scheduled task(s)
        PID:2128
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN BSpsfata099d > C:\Users\Admin\AppData\Local\Temp\nOMlLxm.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2808
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN BSpsfata099d
          4⤵
            PID:2928

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1KB

      MD5

      e9bfe32304670e08e901f121a2cb668f

      SHA1

      82c06fc8c3e671afa92fe39ee86d83838d1869d8

      SHA256

      9c1053de70d694f42b9b042d20992e1bc497ced437fe174eb790722a5ad5e6e7

      SHA512

      d89083cec9bfa72c4c7a1becc2388e40a73dfa2cdb8d503018d8c5c7f29eb212f09c69d28016732121218ed8d1231e74a9fcb6935ae2aac013203ecc5ed78e61

    • \Users\Admin\AppData\Local\Temp\16bdeaeb70dacd253a67ae0a5663fabf.exe

      Filesize

      3.2MB

      MD5

      784c7cfed09a4ce7f71bffeaef9efbff

      SHA1

      fb9882398a31257c63cda19b640c2cd39c6bf4d8

      SHA256

      e4ecaff5d57f45e97abce987af3e3178011ba408e0e535d5ac0f011e2dee87f9

      SHA512

      58fb99c1e5e0b1769a534aea9e6c2997fa4c21f1a3b35056248221a2852434f162fb840158367ef207226c2e2b18f1b68edb1a86ef328b6c50afb99534263cac

    • memory/1720-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/1720-2-0x0000000001660000-0x00000000016DE000-memory.dmp

      Filesize

      504KB

    • memory/1720-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1720-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2516-17-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2516-22-0x0000000000350000-0x00000000003CE000-memory.dmp

      Filesize

      504KB

    • memory/2516-25-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2516-27-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2516-52-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB