Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 03:31

General

  • Target

    ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe

  • Size

    135KB

  • MD5

    0afa036c60c0bcde9153256020209e4d

  • SHA1

    0ccaa8cc2a4f12122ae77a41e428266dc2b22910

  • SHA256

    ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf

  • SHA512

    48c0f19a07de6f21b8572160a91a567936f994cb6b699c4555c3e730448587d8f6cd39cf9edc2ceed25304e5d763d30c1710941900a076facbfd7878ae44f261

  • SSDEEP

    1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOb:YfU/WF6QMauSuiWNi9eNOl0007NZIOb

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe
    "C:\Users\Admin\AppData\Local\Temp\ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\ProgramData\Update\wuauclt.exe
      "C:\ProgramData\Update\wuauclt.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1080
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\ac450bd1a101625b820e73a90f7f2e96c7688020620167fa4ac390934f4c4abf.exe" >> NUL
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2884

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Update\wuauclt.exe

          Filesize

          135KB

          MD5

          a8b494d93b31fa0abdd6ba0bffafcf6d

          SHA1

          c1147384ff61ea75aaba1a892dc81562f60211ef

          SHA256

          34f32bfe94c7648d5e30ef9ca2811584514330b7ada1b5c0899a6734f443c417

          SHA512

          f15a14aa8f0f2b9dfc21ce08dfeda9b6b8249057f88569a51fe7b63ac720bbd0bc4e89101ed2d5fba1a3b1ad9f41bd189dbc33281b8d1baa1d3fc333c3e76c8c

        • memory/1080-7-0x0000000000C30000-0x0000000000C58000-memory.dmp

          Filesize

          160KB

        • memory/2604-0-0x0000000000C70000-0x0000000000C98000-memory.dmp

          Filesize

          160KB

        • memory/2604-6-0x0000000000C30000-0x0000000000C58000-memory.dmp

          Filesize

          160KB

        • memory/2604-8-0x0000000000C70000-0x0000000000C98000-memory.dmp

          Filesize

          160KB

        • memory/2604-9-0x0000000000C30000-0x0000000000C58000-memory.dmp

          Filesize

          160KB

        • memory/2604-10-0x0000000000C70000-0x0000000000C98000-memory.dmp

          Filesize

          160KB