Analysis

  • max time kernel
    465s
  • max time network
    488s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    30-10-2024 13:57

General

  • Target

    New Client.exe

  • Size

    65KB

  • MD5

    1bcb0ce08d34ba620819df0268e04011

  • SHA1

    296765a47aa584a24bf66ddc9e67356e3203fac8

  • SHA256

    ba67f398fb2c5f91c1c227725fec68eba38a9f6c81a425450baf1b94037fe77e

  • SHA512

    f3409246d7cf16d9902d3420f6e5048e87859484e85a25eebc4559ddc6d26e9b40843b78b3a056c24e1bd9efc13d609f1a9ef37387789cb6994b84c7e4bd0145

  • SSDEEP

    1536:MKqK4Tm4BoN36t4QviFw1AjHkBnvAffLteF3nLrB9z3nIaF9bXS9vM:MKqK4C4BoN36t4QviFC8EBnYfWl9zYab

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 36 IoCs

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

  • Kills process with taskkill 8 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 8 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Client.exe
    "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:440
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:2060
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5052
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3676
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:2416
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2452
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4056
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:3976
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2076
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2384
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4108
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:604
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2860
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4820
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4852
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:252
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:3144
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4436
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1828
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1300
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2516
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4472
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1100
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3704
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:396
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2548
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3360
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:788
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4700
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1724
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1924
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4840
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1240
  • C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\svhost.exe.log

    Filesize

    319B

    MD5

    cdab7719c71b2844a3e7ff9e41894b8a

    SHA1

    8e6e0e55695e468eb3c237f21340c9d30cab922c

    SHA256

    e84a57ed5465aaca393476f6271a2413dddad154cbae40827c4639bfc0b3e3eb

    SHA512

    ec92e8fc3ce02336eea401f9db823ac0a2ad87bb41130f493e72f3c5ca100a461d6296a710afcc93e1fe1fc8630c5e0029e17f58583520077a3c80ad794d9dc9

  • C:\Users\Admin\AppData\Local\Temp\svhost.exe

    Filesize

    65KB

    MD5

    1bcb0ce08d34ba620819df0268e04011

    SHA1

    296765a47aa584a24bf66ddc9e67356e3203fac8

    SHA256

    ba67f398fb2c5f91c1c227725fec68eba38a9f6c81a425450baf1b94037fe77e

    SHA512

    f3409246d7cf16d9902d3420f6e5048e87859484e85a25eebc4559ddc6d26e9b40843b78b3a056c24e1bd9efc13d609f1a9ef37387789cb6994b84c7e4bd0145

  • memory/440-14-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB

  • memory/440-19-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB

  • memory/440-20-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB

  • memory/440-21-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-0-0x0000000074712000-0x0000000074713000-memory.dmp

    Filesize

    4KB

  • memory/1464-1-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-2-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-15-0x0000000074712000-0x0000000074713000-memory.dmp

    Filesize

    4KB

  • memory/1464-16-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-18-0x0000000074710000-0x0000000074CC1000-memory.dmp

    Filesize

    5.7MB