Analysis

  • max time kernel
    178s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    24-03-2022 21:08

General

  • Target

    Eset32.exe

  • Size

    3.9MB

  • MD5

    b405bf6533c047b1a47ceced3b42c23b

  • SHA1

    bbb321d380c3f9d17e49a9f2167234742e292e4d

  • SHA256

    5b35297b640271fea6e846f28d07852589f60ab88ee597c0e2eea68a5de3bec9

  • SHA512

    662af21fa3c267ca3a7b451d1a969e1b2dc4fd197368a066e7273b51673bf6def91b02b4d5e429c3b6947a5c97ceb17703b0e716eb6e6dc5a146ca2af40a4c82

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Eset32.exe
    "C:\Users\Admin\AppData\Local\Temp\Eset32.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Roaming\12.exe
      C:\Users\Admin\AppData\Roaming\12.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1288
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" cmd /c powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA" & powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA=" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3916
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3544
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA="
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5000
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc onlogon /rl highest /tn "System" /tr "C:\Users\Admin\AppData\Roaming\Windows\System.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:456
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "System" /tr "C:\Users\Admin\AppData\Roaming\Windows\System.exe"
          4⤵
          • Creates scheduled task(s)
          PID:3548
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" cmd /c "C:\Users\Admin\AppData\Roaming\Windows\System.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Users\Admin\AppData\Roaming\Windows\System.exe
          C:\Users\Admin\AppData\Roaming\Windows\System.exe
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3676
          • C:\Windows\system32\cmd.exe
            "cmd" cmd /c powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA" & powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA=" & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4796
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAALQBGAG8AcgBjAGUA"
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1072
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -EncodedCommand "QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4ARQB4AHQAZQBuAHMAaQBvAG4AIABAACgAJwBlAHgAZQAnACwAJwBkAGwAbAAnACkAIAAtAEYAbwByAGMAZQA="
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3972
          • C:\Users\Admin\AppData\Roaming\Windows\Telemetry\sihost64.exe
            "C:\Users\Admin\AppData\Roaming\Windows\Telemetry\sihost64.exe"
            5⤵
            • Executes dropped EXE
            PID:3708
    • C:\Users\Admin\AppData\Roaming\1.exe
      C:\Users\Admin\AppData\Roaming\1.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4428
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
          PID:3896

    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

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      MD5

      3235c0b45a0ee14bd4e5213339b30705

      SHA1

      49ebee3177d8bf7d2b1ce8df3f28f3cc576364aa

      SHA256

      e407d81c185f5505e1f76e43cfe12076caf7fc7ffb35fd8df087c12c35125b9f

      SHA512

      2e3e467a766e7f05c81f661472bf8ce944f915cf829f70b4f988b65fc55165580fe37bb8683851e28b939313707c995849fefb1f402d57998412de96cfe0cd54

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      MD5

      d0a40a2d16d62c60994d5bb5624a589b

      SHA1

      30f0a77f10518a09d83e6185d6c4cde23e4de8af

      SHA256

      c213a4024e89a0240d0b1fa3b18ea3db3db7bbe7ca1bdeed86dce9c2c4991ef8

      SHA512

      cecef5087f194a83948880e36445324406218f6877386d6db7850b8f97ac107e042ea9445bb7e73c6e6a2c7da9782b7dae8caba0a1c997677d096b3271a4cac0

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      MD5

      387705875fe8f8bdd5d35c8e2a4c600f

      SHA1

      e77cdf21500b7eccb85cc239d6ee39d08851c460

      SHA256

      1bbe1a66eaa8ed26b6e2759926fd451cbd5a9ca87fa23b272c1438a41015d83d

      SHA512

      5b072aa43cfba2461ced211442bff3e90858561d3125b758ddba9f1d8267c79342559f5f5014292ccc810512b509105a00e5282ed6e82aef77e8387e2c8e3d69

    • C:\Users\Admin\AppData\Roaming\1.exe
      MD5

      d9f92868eee8d3c8ecd29a7969419d29

      SHA1

      0a74749dfcd4eca403859431ebb18ba2a7e845bf

      SHA256

      b7154023e4778ac19ee6885bf403bf20ce675ef4b87f816e379fa98293526be3

      SHA512

      5f29374b1bc47f8a978d03476bd8727dcb42b0d6ad028a6decdbbf41363c70001ea017888b5e8a44326d86d2f2fdfe39ade6c27861b7aa317f2f09a62bae95f7

    • C:\Users\Admin\AppData\Roaming\1.exe
      MD5

      d9f92868eee8d3c8ecd29a7969419d29

      SHA1

      0a74749dfcd4eca403859431ebb18ba2a7e845bf

      SHA256

      b7154023e4778ac19ee6885bf403bf20ce675ef4b87f816e379fa98293526be3

      SHA512

      5f29374b1bc47f8a978d03476bd8727dcb42b0d6ad028a6decdbbf41363c70001ea017888b5e8a44326d86d2f2fdfe39ade6c27861b7aa317f2f09a62bae95f7

    • C:\Users\Admin\AppData\Roaming\12.exe
      MD5

      7add9a3ab1734828f756f2725c452c9a

      SHA1

      8ede7005b99e59af98da451fba6afce13f3a5629

      SHA256

      dab7fda27d80d645d5a709e59dd1afe41a535885bc353c844077e570d051e763

      SHA512

      cd8582431009ba4b192d73e6e0494318d73e02993c9981c16f7481b30395f8db9cdaf11b6d0d00ac487be511cffd5479fa70bcf5bb713cfaa7edf7e8e87663f9

    • C:\Users\Admin\AppData\Roaming\12.exe
      MD5

      7add9a3ab1734828f756f2725c452c9a

      SHA1

      8ede7005b99e59af98da451fba6afce13f3a5629

      SHA256

      dab7fda27d80d645d5a709e59dd1afe41a535885bc353c844077e570d051e763

      SHA512

      cd8582431009ba4b192d73e6e0494318d73e02993c9981c16f7481b30395f8db9cdaf11b6d0d00ac487be511cffd5479fa70bcf5bb713cfaa7edf7e8e87663f9

    • C:\Users\Admin\AppData\Roaming\Windows\System.exe
      MD5

      7add9a3ab1734828f756f2725c452c9a

      SHA1

      8ede7005b99e59af98da451fba6afce13f3a5629

      SHA256

      dab7fda27d80d645d5a709e59dd1afe41a535885bc353c844077e570d051e763

      SHA512

      cd8582431009ba4b192d73e6e0494318d73e02993c9981c16f7481b30395f8db9cdaf11b6d0d00ac487be511cffd5479fa70bcf5bb713cfaa7edf7e8e87663f9

    • C:\Users\Admin\AppData\Roaming\Windows\System.exe
      MD5

      7add9a3ab1734828f756f2725c452c9a

      SHA1

      8ede7005b99e59af98da451fba6afce13f3a5629

      SHA256

      dab7fda27d80d645d5a709e59dd1afe41a535885bc353c844077e570d051e763

      SHA512

      cd8582431009ba4b192d73e6e0494318d73e02993c9981c16f7481b30395f8db9cdaf11b6d0d00ac487be511cffd5479fa70bcf5bb713cfaa7edf7e8e87663f9

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

      e2dd8887aee175ef9befd87b2f6105b3

      SHA1

      dfc0527e7425ef633db3db034e2e3db8e09f9b28

      SHA256

      c09d1684236d9ce1d7e0c1c14119b4dc84cbc841da4f4fb84131aa0f367f38f1

      SHA512

      2313792b160d1d6e28bc2cc2d45ba25773bd5ca1434026316181088c4385c9265922174d65dfac377768024f67f7b9e4cb1b9b6a4fa08606324797e4e1f1e93f

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

      e2dd8887aee175ef9befd87b2f6105b3

      SHA1

      dfc0527e7425ef633db3db034e2e3db8e09f9b28

      SHA256

      c09d1684236d9ce1d7e0c1c14119b4dc84cbc841da4f4fb84131aa0f367f38f1

      SHA512

      2313792b160d1d6e28bc2cc2d45ba25773bd5ca1434026316181088c4385c9265922174d65dfac377768024f67f7b9e4cb1b9b6a4fa08606324797e4e1f1e93f

    • memory/456-165-0x0000000000000000-mapping.dmp
    • memory/1072-177-0x0000021B65A33000-0x0000021B65A35000-memory.dmp
      Filesize

      8KB

    • memory/1072-173-0x0000000000000000-mapping.dmp
    • memory/1072-175-0x00007FFE79F80000-0x00007FFE7AA41000-memory.dmp
      Filesize

      10.8MB

    • memory/1072-176-0x0000021B65A30000-0x0000021B65A32000-memory.dmp
      Filesize

      8KB

    • memory/1072-179-0x0000021B65A36000-0x0000021B65A38000-memory.dmp
      Filesize

      8KB

    • memory/1288-143-0x000000001E330000-0x000000001E332000-memory.dmp
      Filesize

      8KB

    • memory/1288-137-0x0000000000F40000-0x0000000001150000-memory.dmp
      Filesize

      2.1MB

    • memory/1288-140-0x00007FFE79F80000-0x00007FFE7AA41000-memory.dmp
      Filesize

      10.8MB

    • memory/1288-134-0x0000000000000000-mapping.dmp
    • memory/1288-142-0x0000000002020000-0x0000000002032000-memory.dmp
      Filesize

      72KB

    • memory/3544-154-0x00007FFE79F80000-0x00007FFE7AA41000-memory.dmp
      Filesize

      10.8MB

    • memory/3544-157-0x000002D480786000-0x000002D480788000-memory.dmp
      Filesize

      8KB

    • memory/3544-156-0x000002D480783000-0x000002D480785000-memory.dmp
      Filesize

      8KB

    • memory/3544-155-0x000002D480780000-0x000002D480782000-memory.dmp
      Filesize

      8KB

    • memory/3544-153-0x000002D49BAF0000-0x000002D49BB12000-memory.dmp
      Filesize

      136KB

    • memory/3544-152-0x0000000000000000-mapping.dmp
    • memory/3548-166-0x0000000000000000-mapping.dmp
    • memory/3676-168-0x0000000000000000-mapping.dmp
    • memory/3676-171-0x00007FFE79F80000-0x00007FFE7AA41000-memory.dmp
      Filesize

      10.8MB

    • memory/3676-174-0x0000000003450000-0x0000000003452000-memory.dmp
      Filesize

      8KB

    • memory/3708-192-0x0000000000CA0000-0x0000000000CA2000-memory.dmp
      Filesize

      8KB

    • memory/3708-191-0x00007FFE79F80000-0x00007FFE7AA41000-memory.dmp
      Filesize

      10.8MB

    • memory/3708-190-0x0000000000410000-0x0000000000424000-memory.dmp
      Filesize

      80KB

    • memory/3708-186-0x0000000000000000-mapping.dmp
    • memory/3896-147-0x0000000000412000-0x000000000049E000-memory.dmp
      Filesize

      560KB

    • memory/3896-189-0x0000000000AF0000-0x0000000000B56000-memory.dmp
      Filesize

      408KB

    • memory/3896-145-0x0000000000000000-mapping.dmp
    • memory/3896-148-0x0000000000410000-0x00000000004A2000-memory.dmp
      Filesize

      584KB

    • memory/3916-151-0x0000000000000000-mapping.dmp
    • memory/3972-184-0x0000022F06E06000-0x0000022F06E08000-memory.dmp
      Filesize

      8KB

    • memory/3972-182-0x0000022F06E00000-0x0000022F06E02000-memory.dmp
      Filesize

      8KB

    • memory/3972-183-0x0000022F06E03000-0x0000022F06E05000-memory.dmp
      Filesize

      8KB

    • memory/3972-185-0x00007FFE79F80000-0x00007FFE7AA41000-memory.dmp
      Filesize

      10.8MB

    • memory/3972-180-0x0000000000000000-mapping.dmp
    • memory/4428-138-0x0000000000000000-mapping.dmp
    • memory/4428-144-0x0000000000112000-0x0000000000114000-memory.dmp
      Filesize

      8KB

    • memory/4580-167-0x0000000000000000-mapping.dmp
    • memory/4796-172-0x0000000000000000-mapping.dmp
    • memory/5000-162-0x000001B873B60000-0x000001B873B62000-memory.dmp
      Filesize

      8KB

    • memory/5000-161-0x00007FFE79F80000-0x00007FFE7AA41000-memory.dmp
      Filesize

      10.8MB

    • memory/5000-158-0x0000000000000000-mapping.dmp
    • memory/5000-163-0x000001B873B63000-0x000001B873B65000-memory.dmp
      Filesize

      8KB

    • memory/5000-164-0x000001B873B66000-0x000001B873B68000-memory.dmp
      Filesize

      8KB