Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 20:53

General

  • Target

    0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb.exe

  • Size

    65KB

  • MD5

    915756ae44759560e8476467163b0f5d

  • SHA1

    02c6eeb6a68c4fab801061321645c3cf118b823a

  • SHA256

    0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb

  • SHA512

    4d7b862f7e4dd4856eac8e5982eb7ed10afddb943661b84cd8f06293fed80e26a65595a89b6abdd1d99bd6154791169006a6d0a4f572de756a691cfb9889049c

  • SSDEEP

    1536:bukC8Q3PoN36tJQviFw1noU5BnvA7fLteF3nLrB9z3n+aF9buS9vM:bukC8Q3PoN36tJQviFCocBnIfWl9zOa+

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 3 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 24 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 6 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb.exe
    "C:\Users\Admin\AppData\Local\Temp\0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\ProgramData\dllhost.exe
      "C:\ProgramData\dllhost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4496
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:4140
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4772
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\ProgramData\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1516
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:3508
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3804
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\ProgramData\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2236
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:452
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1108
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\ProgramData\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1064
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:2124
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4948
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\ProgramData\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:656
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:3720
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3356
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\ProgramData\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3584
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f im Wireshark.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        PID:1308
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2040
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\ProgramData\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:820
    • 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\0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4124
  • C:\ProgramData\dllhost.exe
    C:\ProgramData\dllhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3100
  • C:\ProgramData\dllhost.exe
    C:\ProgramData\dllhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\dllhost.exe

    Filesize

    65KB

    MD5

    915756ae44759560e8476467163b0f5d

    SHA1

    02c6eeb6a68c4fab801061321645c3cf118b823a

    SHA256

    0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb

    SHA512

    4d7b862f7e4dd4856eac8e5982eb7ed10afddb943661b84cd8f06293fed80e26a65595a89b6abdd1d99bd6154791169006a6d0a4f572de756a691cfb9889049c

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

    Filesize

    319B

    MD5

    da4fafeffe21b7cb3a8c170ca7911976

    SHA1

    50ef77e2451ab60f93f4db88325b897d215be5ad

    SHA256

    7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7

    SHA512

    0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6

  • memory/2872-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/2872-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-14-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-12-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-15-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-13-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-19-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-20-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-21-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB