Analysis

  • max time kernel
    4294208s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    21-03-2022 09:00

General

  • Target

    4552348445415f5a30a31366a5d5e126.exe

  • Size

    276KB

  • MD5

    4552348445415f5a30a31366a5d5e126

  • SHA1

    c15892a50f4237608feee5b06c0737c3126a8bc4

  • SHA256

    8c50b6cbe0c930b7e7725350fbb11cf8f1d7e8d5efb0db383d507155ab9f0a7d

  • SHA512

    8c96dc9747a32f9242942f0dcd867ec52e8dd6dcfff1818fba53ea9fb7bcfeda437550dc022a583b8e23535c810b1f25b7c387b29bcf7b6d36896a0bb072f318

Malware Config

Signatures

  • VKeylogger

    A keylogger first seen in Nov 2020.

  • VKeylogger Payload 15 IoCs
  • Suspicious use of SetThreadContext 9 IoCs
  • Program crash 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
    "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
      "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 308 -s 36
        3⤵
        • Program crash
        PID:680
    • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
      "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1028
      • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
        "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 304 -s 36
          4⤵
          • Program crash
          PID:1152
      • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
        "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
          "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1520
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 36
            5⤵
            • Program crash
            PID:1184
        • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
          "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1964
          • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
            "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
            5⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2012
            • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
              "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
              6⤵
                PID:1156
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 36
                  7⤵
                  • Program crash
                  PID:2020
              • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                6⤵
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                PID:1736
                • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                  "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                  7⤵
                    PID:1076
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 36
                      8⤵
                      • Program crash
                      PID:1680
                  • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                    "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                    7⤵
                      PID:460
                      • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                        "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                        8⤵
                        • Suspicious use of SetThreadContext
                        • Suspicious behavior: EnumeratesProcesses
                        PID:556
                        • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                          "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                          9⤵
                            PID:1364
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1364 -s 36
                              10⤵
                              • Program crash
                              PID:1824
                          • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                            "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                            9⤵
                            • Suspicious use of SetThreadContext
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1876
                            • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                              "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                              10⤵
                                PID:1548
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 36
                                  11⤵
                                  • Program crash
                                  PID:1368
                              • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                                "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                                10⤵
                                • Suspicious use of SetThreadContext
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1524
                                • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                                  "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                                  11⤵
                                    PID:1596
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 36
                                      12⤵
                                      • Program crash
                                      PID:1116
                                  • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                                    "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                                    11⤵
                                    • Suspicious use of SetThreadContext
                                    PID:1604
                                    • C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe
                                      "C:\Users\Admin\AppData\Local\Temp\4552348445415f5a30a31366a5d5e126.exe"
                                      12⤵
                                        PID:1612
                                        • C:\Windows\SysWOW64\WerFault.exe
                                          C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 36
                                          13⤵
                                          • Program crash
                                          PID:1816

                Network

                MITRE ATT&CK Matrix

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/308-55-0x0000000000400000-0x000000000040F000-memory.dmp
                  Filesize

                  60KB

                • memory/308-59-0x0000000000400000-0x000000000040F000-memory.dmp
                  Filesize

                  60KB

                • memory/308-57-0x0000000000400000-0x000000000040F000-memory.dmp
                  Filesize

                  60KB

                • memory/308-61-0x0000000000400000-0x000000000040F000-memory.dmp
                  Filesize

                  60KB

                • memory/308-63-0x0000000000400000-0x000000000040F000-memory.dmp
                  Filesize

                  60KB

                • memory/308-65-0x0000000000400000-0x000000000040F000-memory.dmp
                  Filesize

                  60KB

                • memory/308-67-0x0000000000400000-0x000000000040F000-memory.dmp
                  Filesize

                  60KB

                • memory/460-139-0x0000000077C50000-0x0000000077DD0000-memory.dmp
                  Filesize

                  1.5MB

                • memory/460-136-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/556-138-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1028-85-0x0000000077C50000-0x0000000077DD0000-memory.dmp
                  Filesize

                  1.5MB

                • memory/1028-84-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1524-182-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1604-197-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1668-100-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1736-133-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1736-134-0x0000000077C50000-0x0000000077DD0000-memory.dmp
                  Filesize

                  1.5MB

                • memory/1776-69-0x0000000077C50000-0x0000000077DD0000-memory.dmp
                  Filesize

                  1.5MB

                • memory/1776-68-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1876-167-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1964-102-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB

                • memory/1964-103-0x0000000077C50000-0x0000000077DD0000-memory.dmp
                  Filesize

                  1.5MB

                • memory/2012-118-0x00000000011C0000-0x0000000001208000-memory.dmp
                  Filesize

                  288KB