Overview

overview

8

Static

static

4df06fd175...dc.exe

windows7_x64

8

4df06fd175...dc.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 21:46

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General

  • Target

    4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe

  • Size

    71KB

  • MD5

    6915ce5700338b8cd322dadf378f76f3

  • SHA1

    b08aca61c8be55e858573724a871e61489f2eb53

  • SHA256

    4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc

  • SHA512

    ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe
    "C:\Users\Admin\AppData\Local\Temp\4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\server.exe
      "C:\Windows\server.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4592
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\server.exe" "server.exe" ENABLE
        3⤵
          PID:3532

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\server.exe
      Filesize

      71KB

      MD5

      6915ce5700338b8cd322dadf378f76f3

      SHA1

      b08aca61c8be55e858573724a871e61489f2eb53

      SHA256

      4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc

      SHA512

      ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82

      Download Submit

    • C:\Windows\server.exe
      Filesize

      71KB

      MD5

      6915ce5700338b8cd322dadf378f76f3

      SHA1

      b08aca61c8be55e858573724a871e61489f2eb53

      SHA256

      4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc

      SHA512

      ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82

      Download Submit

    • memory/3532-133-0x0000000000000000-mapping.dmp

      Download

    • memory/4592-130-0x0000000000000000-mapping.dmp

      Download