Analysis

  • max time kernel
    120s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2024 22:16

General

  • Target

    72fd2bfa312661381e26d6897d968985.exe

  • Size

    2.0MB

  • MD5

    72fd2bfa312661381e26d6897d968985

  • SHA1

    9b2e6efc409d11f4ddc0b26bb81018321e7b9440

  • SHA256

    255e0f2b0f8f69297a6066ad21425392b1cd7b87dcb80809b1dc0fb52c824e66

  • SHA512

    07ed67a88edbbe36c2d09f0417285e5b48d22416aa775301bc9d95beb4b8ed485907245bfbdbaea72e7441145ef5069d3e524fb46942efbc93ee83395ae4e30c

  • SSDEEP

    49152:Aw1yqciMe8cakLz0ibq6yqhGco8cG0d3ucakLz0ibq6yqh:AwgqciMe8cakcibiqhGccFd3ucakcibJ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72fd2bfa312661381e26d6897d968985.exe
    "C:\Users\Admin\AppData\Local\Temp\72fd2bfa312661381e26d6897d968985.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Users\Admin\AppData\Local\Temp\72fd2bfa312661381e26d6897d968985.exe
      C:\Users\Admin\AppData\Local\Temp\72fd2bfa312661381e26d6897d968985.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\72fd2bfa312661381e26d6897d968985.exe" /TN qPTTkyZ9c33c /F
        3⤵
        • Creates scheduled task(s)
        PID:4948
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN qPTTkyZ9c33c > C:\Users\Admin\AppData\Local\Temp\85KXOw.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5056
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN qPTTkyZ9c33c
          4⤵
            PID:380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\72fd2bfa312661381e26d6897d968985.exe

      Filesize

      354KB

      MD5

      c6e0ac87407dbeb11b14b5fae81cc920

      SHA1

      eb8b55e016da81974040aee00526e2476606e80e

      SHA256

      2f4f9c97f4bb961fec1a864d23b81eca62c9682a844674de55b1a2fd2fd6efff

      SHA512

      b404a10b026268c98d3648eb53413181fb4f84575d7ef88c6bf6cb7b648fc339730096deb96e2ee7a51ec48aa3331bd4667a41b2c285644ab8313ab1ff5dedb6

    • C:\Users\Admin\AppData\Local\Temp\85KXOw.xml

      Filesize

      1KB

      MD5

      95fe947c45961c7e8fd886ad5772c5ac

      SHA1

      be9bd06591185f189d71d93225784ddbf1ad1acf

      SHA256

      6397bd35fbf7a928dae5eba708fbbc6bc1e50c927a95e70d7c7b05a0a2c97388

      SHA512

      0da81df2cb6531fce6f405b451e64b5bfd53b7eff0968604d589397bf71054f7463424c00c8a0d7d4979b4664309183350ab455397db8d126eb03ecc372aee45

    • memory/3652-15-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/3652-23-0x0000000000470000-0x00000000004DB000-memory.dmp

      Filesize

      428KB

    • memory/3652-22-0x0000000001730000-0x00000000017AE000-memory.dmp

      Filesize

      504KB

    • memory/3652-24-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/3652-41-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/5100-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/5100-2-0x0000000001730000-0x00000000017AE000-memory.dmp

      Filesize

      504KB

    • memory/5100-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/5100-14-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB