Analysis

  • max time kernel
    119s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 09:41

General

  • Target

    14c441b6c593a152c648a4161af5c105.exe

  • Size

    1.6MB

  • MD5

    14c441b6c593a152c648a4161af5c105

  • SHA1

    ccc6cc2fdfff34ca3e88cadb767d665570c02bd6

  • SHA256

    b53e2a1c8738c3ca9759323ccf9bd0056028fbc33063340710398bb798ae9185

  • SHA512

    646075c3fd309a8c77677894af28f3a19536be7531bdc883fa0d55c0531ed91a9923346b11d499f13af3247b236f19cb53587bbfe2ef37e134646eb9c697a6fa

  • SSDEEP

    49152:KX/qiciu8y+z9cakLz0xR2NfxRyrTxOpTZWcakLz0O:KX/Jct8y+BcakcxQZMEVgcakcO

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\14c441b6c593a152c648a4161af5c105.exe
    "C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe
      C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe" /TN m8v9k5kD0c8e /F
        3⤵
        • Creates scheduled task(s)
        PID:2796
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN m8v9k5kD0c8e > C:\Users\Admin\AppData\Local\Temp\T8vHL.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN m8v9k5kD0c8e
          4⤵
            PID:2708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe

      Filesize

      187KB

      MD5

      2d70fdb32afaec8f89f0585342b02677

      SHA1

      225fed0ae17e48bf4c30971c64e3581e75f8bbd5

      SHA256

      4312e50914a63a840be4f0cb5afdd99411b72abf99849f087db7a8d6703e379f

      SHA512

      a9d1375a7de3a3cd71959b4428900596b5a5eff0cfe1e738a104b2038800b4344d1a2ac842a23c0e58edafe9248a107fc59a8fff2f7d27aaefc8d4ad69fe5fd1

    • C:\Users\Admin\AppData\Local\Temp\T8vHL.xml

      Filesize

      1KB

      MD5

      8a02cbf1143d29eac69c941b3f93b7fb

      SHA1

      82bd6989eb14ad03d6c12e96c2b607e14070efda

      SHA256

      b5ae46f40d7b3ae61d30b2361b5d3987930029ad618f14b3281f035e9d425e37

      SHA512

      f35eec2b9cc2137b81f6e4c43c3943249eea4b50c7e92cb33aafb83b78c264809ea63aaf776d3b81ad11fa34fddc7911ddc15b9066de279301c1b31dd0829a8d

    • \Users\Admin\AppData\Local\Temp\14c441b6c593a152c648a4161af5c105.exe

      Filesize

      1.2MB

      MD5

      32e8a323ea659295b66055ccbe791469

      SHA1

      fd01a203d9ee395e34da229338dcdec52e907f8d

      SHA256

      bf5c37a0f4156f289ebbb43b10f9d07435e3b358982a25bb6e5f33ca62428c75

      SHA512

      75b57930114f9db48abc2282fec12e68291c8d7b74b48c2c7a4a0ef03b41606c4405149e0396f34801850348cc87220f6cf4c5e9443064090de49d268928468e

    • memory/1736-2-0x0000000000270000-0x00000000002EE000-memory.dmp

      Filesize

      504KB

    • memory/1736-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/1736-16-0x0000000023180000-0x00000000233DC000-memory.dmp

      Filesize

      2.4MB

    • memory/1736-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/1736-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2720-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2720-26-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/2720-27-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2720-21-0x0000000022D90000-0x0000000022E0E000-memory.dmp

      Filesize

      504KB

    • memory/2720-53-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB