Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 22:26

General

  • Target

    c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe

  • Size

    644KB

  • MD5

    66a8ffb4677901d3ebc3fe840ac85c22

  • SHA1

    120610126ae00c2b2cd174feb5f843d44e1baf7e

  • SHA256

    c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb

  • SHA512

    70d36848912b6530b89341636d0b99381b8ad5770639b58f010006a49bf8302a59f27916850596e2c0501d032cec3dd4a107233bdd75bac687a6d8b98a4ce6a6

  • SSDEEP

    12288:12mwwhVKvAPMHfyxNrUEqjaBJgFJwQ/1QR8dMc+ty5xXSQpHc9noZvzqgyVTnKd4:1++cf0NrUn88Jw5+GceY4S89OetVTKd4

Malware Config

Signatures

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 3 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 1 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe
    "C:\Users\Admin\AppData\Local\Temp\c85619aa2e2ee33fa3a7f4439a95052039688a448fe2337950fcc16550d952bb.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2136

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab82A9.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar82BC.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • memory/2136-0-0x0000000000400000-0x00000000005AC000-memory.dmp

          Filesize

          1.7MB

        • memory/2136-3-0x0000000002E20000-0x0000000002E2A000-memory.dmp

          Filesize

          40KB

        • memory/2136-2-0x0000000002E20000-0x0000000002E2A000-memory.dmp

          Filesize

          40KB

        • memory/2136-4-0x000000006D450000-0x000000006D460000-memory.dmp

          Filesize

          64KB

        • memory/2136-174-0x0000000000400000-0x00000000005AC000-memory.dmp

          Filesize

          1.7MB

        • memory/2136-175-0x0000000002E20000-0x0000000002E2A000-memory.dmp

          Filesize

          40KB

        • memory/2136-184-0x0000000000400000-0x00000000005AC000-memory.dmp

          Filesize

          1.7MB