Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    03-12-2021 23:04

General

  • Target

    25d7abfa8b1175a98ad3f64ebdd5a01904ed73f739571eb39fde09a48d0ff8a7.exe

  • Size

    8.9MB

  • MD5

    be582c09e0366fe632e8608a5d6f562e

  • SHA1

    9a71a33e87bae9a612acdbc3c149bd587370cea9

  • SHA256

    25d7abfa8b1175a98ad3f64ebdd5a01904ed73f739571eb39fde09a48d0ff8a7

  • SHA512

    a9fd645d812f09363aa2eb8e6515a352c6749a6155a7dc697c73271f0f39c7db820c9299dce70859b38532b07a7ea34a50c5c3dbaaf8cfc26f83470939f5074e

Score
10/10

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner Payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25d7abfa8b1175a98ad3f64ebdd5a01904ed73f739571eb39fde09a48d0ff8a7.exe
    "C:\Users\Admin\AppData\Local\Temp\25d7abfa8b1175a98ad3f64ebdd5a01904ed73f739571eb39fde09a48d0ff8a7.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "NvcDispCore" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\NvcDispCore.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4388
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "NvcDispCore" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\NvcDispCore.exe"
        3⤵
        • Creates scheduled task(s)
        PID:420
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" cmd /c "C:\Users\Admin\AppData\Roaming\Microsoft\NvcDispCore.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:640
      • C:\Users\Admin\AppData\Roaming\Microsoft\NvcDispCore.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\NvcDispCore.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:416
        • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe"
          4⤵
          • Executes dropped EXE
          PID:2064
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe boikkedyfhfngu0 Xji3FXYfqqI2timPThbgZueMNpSES88mLhMz2ywydJQKdDfd51MUAGcZ+8CiY/eWLlgevDJQNJNphk49DJ6FdVIyvPtVTvQRFVcAxXw/Gq0V+XWFNEvMwDJNClhXLRUhg4HOd5Vw5wGJV9O2w/YW9hKei0wFR3PJm5h6TRmZtvcZXAMNqYVfAn+gor+a6j3BUNCzQU+Nl5ZZOCpekJ75uKpyfuXINvdi/lHPgOl+x9FeCj4JbAhf/cMV3hidKaKceVP0M9KcmMWgapPHuqY3XOC0QJFfCsXgfmNJeoVSgEFcsORGCVXZlokEm+vbKv6NTCLNN22Q3s20NBp+zb5Q6OpTuYTUj0t9JmVN9eM+m/7r/tmE6CrDQbztcR1Xq/333vpYGcUDwERGyRYtYyNNpz2UvHLnFL9SnTr2PyNBgeUBw0IizbxQseQmOxnRmm4A
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2320

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\NvcDispCore.exe
    MD5

    be582c09e0366fe632e8608a5d6f562e

    SHA1

    9a71a33e87bae9a612acdbc3c149bd587370cea9

    SHA256

    25d7abfa8b1175a98ad3f64ebdd5a01904ed73f739571eb39fde09a48d0ff8a7

    SHA512

    a9fd645d812f09363aa2eb8e6515a352c6749a6155a7dc697c73271f0f39c7db820c9299dce70859b38532b07a7ea34a50c5c3dbaaf8cfc26f83470939f5074e

  • C:\Users\Admin\AppData\Roaming\Microsoft\NvcDispCore.exe
    MD5

    be582c09e0366fe632e8608a5d6f562e

    SHA1

    9a71a33e87bae9a612acdbc3c149bd587370cea9

    SHA256

    25d7abfa8b1175a98ad3f64ebdd5a01904ed73f739571eb39fde09a48d0ff8a7

    SHA512

    a9fd645d812f09363aa2eb8e6515a352c6749a6155a7dc697c73271f0f39c7db820c9299dce70859b38532b07a7ea34a50c5c3dbaaf8cfc26f83470939f5074e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe
    MD5

    d07170b788636b00c5160a24296cd8b3

    SHA1

    d39d7238233e21cde888295a34069f07689b2ec6

    SHA256

    09011b5dd881da303104480f6920a51b6c35d97e1ab7e436ebae2ffc399e23fd

    SHA512

    9cc9b6f05539942d810c0b827cff9343e828997ef1359312c2782275e6f3c1543fd681e48224768f7a179826bf143d4b1b21b3002e03c8e56763d39961b8f9a4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Telemetry\sihost64.exe
    MD5

    d07170b788636b00c5160a24296cd8b3

    SHA1

    d39d7238233e21cde888295a34069f07689b2ec6

    SHA256

    09011b5dd881da303104480f6920a51b6c35d97e1ab7e436ebae2ffc399e23fd

    SHA512

    9cc9b6f05539942d810c0b827cff9343e828997ef1359312c2782275e6f3c1543fd681e48224768f7a179826bf143d4b1b21b3002e03c8e56763d39961b8f9a4

  • memory/416-144-0x000000001CDB6000-0x000000001CDB7000-memory.dmp
    Filesize

    4KB

  • memory/416-142-0x000000001CDB0000-0x000000001CDB2000-memory.dmp
    Filesize

    8KB

  • memory/416-143-0x000000001CDB3000-0x000000001CDB5000-memory.dmp
    Filesize

    8KB

  • memory/416-134-0x0000000000400000-0x0000000001562000-memory.dmp
    Filesize

    17.4MB

  • memory/416-131-0x0000000000000000-mapping.dmp
  • memory/420-127-0x0000000000000000-mapping.dmp
  • memory/640-130-0x0000000000000000-mapping.dmp
  • memory/2064-139-0x0000000000000000-mapping.dmp
  • memory/2320-145-0x0000000140000000-0x0000000140787000-memory.dmp
    Filesize

    7.5MB

  • memory/2320-146-0x0000000140310068-mapping.dmp
  • memory/2320-151-0x0000028490220000-0x0000028490240000-memory.dmp
    Filesize

    128KB

  • memory/2320-150-0x0000028490240000-0x0000028490260000-memory.dmp
    Filesize

    128KB

  • memory/2320-149-0x0000028490200000-0x0000028490220000-memory.dmp
    Filesize

    128KB

  • memory/2320-148-0x0000000140000000-0x0000000140787000-memory.dmp
    Filesize

    7.5MB

  • memory/2320-147-0x00000284901B0000-0x00000284901D0000-memory.dmp
    Filesize

    128KB

  • memory/4292-121-0x00000000032C0000-0x00000000036C6000-memory.dmp
    Filesize

    4.0MB

  • memory/4292-120-0x00007FFBC5DA0000-0x00007FFBC5DA2000-memory.dmp
    Filesize

    8KB

  • memory/4292-118-0x0000000000400000-0x0000000001562000-memory.dmp
    Filesize

    17.4MB

  • memory/4292-129-0x00000000019C6000-0x00000000019C7000-memory.dmp
    Filesize

    4KB

  • memory/4292-122-0x000000001D1D0000-0x000000001D5D3000-memory.dmp
    Filesize

    4.0MB

  • memory/4292-124-0x00000000019D0000-0x00000000019D1000-memory.dmp
    Filesize

    4KB

  • memory/4292-128-0x00000000019C3000-0x00000000019C5000-memory.dmp
    Filesize

    8KB

  • memory/4292-126-0x00000000019C0000-0x00000000019C2000-memory.dmp
    Filesize

    8KB

  • memory/4388-125-0x0000000000000000-mapping.dmp