Overview

overview

7

Static

static

6e16281cbd...23.exe

windows7_x64

7

6e16281cbd...23.exe

windows10-2004_x64

7

Analysis

  • max time kernel
    68s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15/04/2022, 01:02

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    6e16281cbdd76989cd383fe4fd945023.exe
  • Size 351KB
  • Sample220415-bdr5yafddn
  • SHA256 fa2c27df76832b0f2df4613db54f00966faa279bc8c968b5b597f0e09f8f3fa8
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 9 IoCs
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e16281cbdd76989cd383fe4fd945023.exe
    "C:\Users\Admin\AppData\Local\Temp\6e16281cbdd76989cd383fe4fd945023.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 452
      2⤵
      • Program crash
      PID:3784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 772
      2⤵
      • Program crash
      PID:3460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 792
      2⤵
      • Program crash
      PID:656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 792
      2⤵
      • Program crash
      PID:1808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 856
      2⤵
      • Program crash
      PID:2412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 928
      2⤵
      • Program crash
      PID:3716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 1000
      2⤵
      • Program crash
      PID:2896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 1364
      2⤵
      • Program crash
      PID:3344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "6e16281cbdd76989cd383fe4fd945023.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6e16281cbdd76989cd383fe4fd945023.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4148
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "6e16281cbdd76989cd383fe4fd945023.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 492
      2⤵
      • Program crash
      PID:4124
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1984 -ip 1984
    1⤵
      PID:4900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1984 -ip 1984
      1⤵
        PID:4224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1984 -ip 1984
        1⤵
          PID:2300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1984 -ip 1984
          1⤵
            PID:4116
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1984 -ip 1984
            1⤵
              PID:1956
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 1984 -ip 1984
              1⤵
                PID:2516
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1984 -ip 1984
                1⤵
                  PID:2880
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 1984 -ip 1984
                  1⤵
                    PID:3632
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 616 -p 1984 -ip 1984
                    1⤵
                      PID:4508

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/1984-130-0x0000000000767000-0x000000000078D000-memory.dmp
                          Download

                          memory/1984-131-0x0000000000767000-0x000000000078D000-memory.dmp
                          Download

                          memory/1984-132-0x00000000005C0000-0x00000000005FF000-memory.dmp
                          Download

                          memory/1984-133-0x0000000000400000-0x0000000000480000-memory.dmp
                          Download