Resubmissions

19/01/2022, 16:33

220119-t22cmabeh7 10

25/11/2021, 12:38

211125-pt3hhaaee7 8

Analysis

  • max time kernel
    121s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    25/11/2021, 12:38

General

  • Target

    c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe

  • Size

    5.0MB

  • MD5

    dbe9736b562b2bcce0b531fdfeaded32

  • SHA1

    a36ac4af321f97964885b801601aaee816f405d1

  • SHA256

    c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240

  • SHA512

    9dc69b482a510482b6aa6992924daf39b96bb43ab9017d6919120288e3d7936717b21aa24cd12c51d64d446eecc626bdc0ddfd0222cff5fde8010d110edea849

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe
    "C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Users\Admin\AppData\Local\Temp\is-UR86I.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-UR86I.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp" /SL5="$30112,4382530,831488,C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe
        "C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe" /VERYSILENT
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Users\Admin\AppData\Local\Temp\is-8H9PS.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-8H9PS.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp" /SL5="$40112,4382530,831488,C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:820
          • C:\Users\Admin\AppData\Roaming\Ev Reports Management\evreporter.exe
            "C:\Users\Admin\AppData\Roaming\Ev Reports Management\evreporter.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:2112
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1264
              6⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3444

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/820-127-0x0000000000890000-0x0000000000891000-memory.dmp

    Filesize

    4KB

  • memory/1316-120-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/2240-126-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/3108-117-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB