Analysis

  • max time kernel
    135s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 13:00

General

  • Target

    BQ_PO#385995.exe

  • Size

    398KB

  • MD5

    7e3e88fad78dff83ea421084315bfd78

  • SHA1

    2e185874ff61f0097b34ae66cdc09bbbf1951f62

  • SHA256

    26c434592adaffa102b1cc61983fd9355dfa4fe0e06ad3acb50732892f67d466

  • SHA512

    432da571335f6eb1b827eceb1bf0b0cc62b2a1a7734fce3374620769487e908916a39b0e4c94ef6e764f65f3ce7066040055e52d14a7b84bb1e1650ec355460f

  • SSDEEP

    6144:OzzpHNxvSI3xlkVxOwDWcvPRavLhOPxersLWd3JyQdETiOhhe3DU705AN8u1tdQM:INxvSec3RMY+sLSZyyETvzck05AGuvr

Malware Config

Extracted

Family

xworm

Version

3.1

C2

69.174.100.131:7000

Mutex

I1KOVoZcD6Qqbmm9

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7721085569:AAH1tkciy-nKykIEUNjOAUsItTcvNCVmFLo/sendMessage?chat_id=6236275763

Signatures

  • Detect Xworm Payload 1 IoCs
  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BQ_PO#385995.exe
    "C:\Users\Admin\AppData\Local\Temp\BQ_PO#385995.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:4188
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1156
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4692
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'jsc.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2260
        • C:\Users\Admin\AppData\Local\Temp\ffpint.exe
          "C:\Users\Admin\AppData\Local\Temp\ffpint.exe"
          3⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4404
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
          PID:4904

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

        Filesize

        18KB

        MD5

        2914250430595a6bd19c3cbd497724e7

        SHA1

        a05b7c4b5bb674291fc65de7fd1b8f91d0d0415a

        SHA256

        6015eaee87532130baf8c92fe88b9b16dfba99388b47b0d60224b9de8b6dacab

        SHA512

        8527624cec26625175584f9e13fcbdff48e0974b4958cf133f334401654306366dc41b24e08c5e2b8a4d1f5a206fecb1dfa3af28e323a4fa742a10f9b7a6b624

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lfg4gjfo.qvl.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\ffpint.exe

        Filesize

        271KB

        MD5

        4c8c1ceb91408ad5a5011b56b325419e

        SHA1

        1c4164b98be5d5235eebfd8a54f45a8e07b229ea

        SHA256

        3dcb27942e0687d24841db48d2b91ff2ae749be95655af9bb10f8a2c46052773

        SHA512

        a4be594b66ef0981edd13519690395405d1a982d35eba8814b8fc69c1a4b6693df382c4d979b277615728c593942be9fcd6494dc12510f4eb71f233b1e7fb6a2

      • memory/1156-80-0x00000000073D0000-0x0000000007974000-memory.dmp

        Filesize

        5.6MB

      • memory/1156-78-0x0000000075080000-0x0000000075830000-memory.dmp

        Filesize

        7.7MB

      • memory/1156-6-0x00000000057E0000-0x000000000587C000-memory.dmp

        Filesize

        624KB

      • memory/1156-76-0x0000000075080000-0x0000000075830000-memory.dmp

        Filesize

        7.7MB

      • memory/1156-77-0x000000007508E000-0x000000007508F000-memory.dmp

        Filesize

        4KB

      • memory/1156-5-0x000000007508E000-0x000000007508F000-memory.dmp

        Filesize

        4KB

      • memory/1156-79-0x0000000006D80000-0x0000000006E12000-memory.dmp

        Filesize

        584KB

      • memory/1156-93-0x0000000006F40000-0x0000000006FC2000-memory.dmp

        Filesize

        520KB

      • memory/1156-97-0x00000000072C0000-0x000000000730C000-memory.dmp

        Filesize

        304KB

      • memory/1156-94-0x0000000007190000-0x000000000721C000-memory.dmp

        Filesize

        560KB

      • memory/1156-96-0x0000000007980000-0x0000000007CD4000-memory.dmp

        Filesize

        3.3MB

      • memory/1156-95-0x0000000007220000-0x0000000007284000-memory.dmp

        Filesize

        400KB

      • memory/1156-4-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/2260-65-0x0000000070630000-0x000000007067C000-memory.dmp

        Filesize

        304KB

      • memory/2260-59-0x00000000054B0000-0x0000000005804000-memory.dmp

        Filesize

        3.3MB

      • memory/3716-1-0x0000029226DE0000-0x0000029226E48000-memory.dmp

        Filesize

        416KB

      • memory/3716-3-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

        Filesize

        10.8MB

      • memory/3716-2-0x0000029227220000-0x0000029227280000-memory.dmp

        Filesize

        384KB

      • memory/3716-7-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

        Filesize

        10.8MB

      • memory/3716-0-0x00007FFA367A3000-0x00007FFA367A5000-memory.dmp

        Filesize

        8KB

      • memory/4404-98-0x0000000006D10000-0x0000000006ED2000-memory.dmp

        Filesize

        1.8MB

      • memory/4404-92-0x0000000000D10000-0x0000000000D5A000-memory.dmp

        Filesize

        296KB

      • memory/4404-99-0x0000000006BB0000-0x0000000006C00000-memory.dmp

        Filesize

        320KB

      • memory/4404-100-0x0000000007410000-0x000000000793C000-memory.dmp

        Filesize

        5.2MB

      • memory/4404-101-0x0000000006EF0000-0x0000000006EFA000-memory.dmp

        Filesize

        40KB

      • memory/4692-15-0x0000000075080000-0x0000000075830000-memory.dmp

        Filesize

        7.7MB

      • memory/4692-47-0x00000000078A0000-0x00000000078B4000-memory.dmp

        Filesize

        80KB

      • memory/4692-48-0x00000000079A0000-0x00000000079BA000-memory.dmp

        Filesize

        104KB

      • memory/4692-49-0x0000000007980000-0x0000000007988000-memory.dmp

        Filesize

        32KB

      • memory/4692-52-0x0000000075080000-0x0000000075830000-memory.dmp

        Filesize

        7.7MB

      • memory/4692-46-0x0000000007890000-0x000000000789E000-memory.dmp

        Filesize

        56KB

      • memory/4692-45-0x0000000007860000-0x0000000007871000-memory.dmp

        Filesize

        68KB

      • memory/4692-44-0x00000000078E0000-0x0000000007976000-memory.dmp

        Filesize

        600KB

      • memory/4692-43-0x00000000076D0000-0x00000000076DA000-memory.dmp

        Filesize

        40KB

      • memory/4692-41-0x0000000007CA0000-0x000000000831A000-memory.dmp

        Filesize

        6.5MB

      • memory/4692-42-0x0000000007660000-0x000000000767A000-memory.dmp

        Filesize

        104KB

      • memory/4692-28-0x0000000006890000-0x00000000068C2000-memory.dmp

        Filesize

        200KB

      • memory/4692-29-0x0000000070630000-0x000000007067C000-memory.dmp

        Filesize

        304KB

      • memory/4692-40-0x00000000074B0000-0x0000000007553000-memory.dmp

        Filesize

        652KB

      • memory/4692-39-0x0000000007480000-0x000000000749E000-memory.dmp

        Filesize

        120KB

      • memory/4692-27-0x00000000062E0000-0x000000000632C000-memory.dmp

        Filesize

        304KB

      • memory/4692-26-0x00000000062C0000-0x00000000062DE000-memory.dmp

        Filesize

        120KB

      • memory/4692-25-0x0000000005D50000-0x00000000060A4000-memory.dmp

        Filesize

        3.3MB

      • memory/4692-13-0x0000000005C00000-0x0000000005C66000-memory.dmp

        Filesize

        408KB

      • memory/4692-14-0x0000000005CE0000-0x0000000005D46000-memory.dmp

        Filesize

        408KB

      • memory/4692-12-0x0000000005300000-0x0000000005322000-memory.dmp

        Filesize

        136KB

      • memory/4692-10-0x0000000005470000-0x0000000005A98000-memory.dmp

        Filesize

        6.2MB

      • memory/4692-11-0x0000000075080000-0x0000000075830000-memory.dmp

        Filesize

        7.7MB

      • memory/4692-9-0x0000000075080000-0x0000000075830000-memory.dmp

        Filesize

        7.7MB

      • memory/4692-8-0x00000000029C0000-0x00000000029F6000-memory.dmp

        Filesize

        216KB