Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 13:06

General

  • Target

    Hesap_Hareketleri_10122024_html.exe

  • Size

    846KB

  • MD5

    18709f2606d2834d725a5677bdd4d737

  • SHA1

    bbc16514aea1e283ba1863a5db34c71b0f574fc8

  • SHA256

    50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682

  • SHA512

    758d818dd3d252010e612ded4bf4846f053b1ad9c06d5139c7d65c35a9956ee7655c567c9efcfdb24122fe1dd55a324bf30277152da85e56be2f2e656e853b9e

  • SSDEEP

    12288:nFMFoFvNLrJG2FYswEHLwSdNY8O7jbXdhb0mqqbNtYKy0QZURoSGb5hfBMG+wy9n:vFnJNY8KDzqCXW0g2edhf5+wFO

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

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

  • Vipkeylogger 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 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 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe
    "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDYiGmDlq.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3692
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDYiGmDlq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE5BC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1076
    • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe
      "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe"
      2⤵
        PID:2496
      • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe
        "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Hesap_Hareketleri_10122024_html.exe.log

      Filesize

      1KB

      MD5

      b7b9acb869ccc7f7ecb5304ec0384dee

      SHA1

      6a90751c95817903ee833d59a0abbef425a613b3

      SHA256

      8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

      SHA512

      7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

    • 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

      6f0c447bcf21f692d1824d7208964882

      SHA1

      0b12515237936e2fcd7180c8b40bcfb9c8d70a37

      SHA256

      4a2220cbb9e74e4d72943d6c46e8c9036ad992e7ccef8a9f0a8c1afac8bc6969

      SHA512

      f16ca5b3709a38b77c5f35801879baaaae93d05db7fab0fbacaed3334f7e0cb7ab7894a4faf16527654afbcf2232f149d3cbb2a0169831f33650a020ba6aa837

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s1rcuire.yhg.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpE5BC.tmp

      Filesize

      1KB

      MD5

      358b28c6f5b193647c4e08c002c31d02

      SHA1

      b5f04e92027e3fa8e3edc3619f8b92315ce21f8c

      SHA256

      500071312fe202920fdf36df064659bb1b7ea3650cf7ac869ae78e60f5ac61f4

      SHA512

      b3c5e8daffdbb1c7a84aca76b5d48e7709de97641a47cc225d08f84d0f5b73e88823875ebeb7ceff74a318ec902e50e9a29a35c95192c932ce7b692387c1c434

    • memory/676-16-0x00000000026A0000-0x00000000026D6000-memory.dmp

      Filesize

      216KB

    • memory/676-75-0x00000000072F0000-0x000000000730A000-memory.dmp

      Filesize

      104KB

    • memory/676-19-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/676-62-0x0000000006F20000-0x0000000006F3E000-memory.dmp

      Filesize

      120KB

    • memory/676-88-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/676-81-0x0000000007630000-0x000000000764A000-memory.dmp

      Filesize

      104KB

    • memory/676-80-0x0000000007530000-0x0000000007544000-memory.dmp

      Filesize

      80KB

    • memory/676-79-0x0000000007520000-0x000000000752E000-memory.dmp

      Filesize

      56KB

    • memory/676-17-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/676-18-0x00000000050F0000-0x0000000005718000-memory.dmp

      Filesize

      6.2MB

    • memory/676-76-0x0000000007360000-0x000000000736A000-memory.dmp

      Filesize

      40KB

    • memory/676-52-0x0000000075440000-0x000000007548C000-memory.dmp

      Filesize

      304KB

    • memory/676-64-0x0000000007930000-0x0000000007FAA000-memory.dmp

      Filesize

      6.5MB

    • memory/676-22-0x0000000004FF0000-0x0000000005012000-memory.dmp

      Filesize

      136KB

    • memory/676-24-0x0000000005790000-0x00000000057F6000-memory.dmp

      Filesize

      408KB

    • memory/676-23-0x0000000005720000-0x0000000005786000-memory.dmp

      Filesize

      408KB

    • memory/676-25-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/676-63-0x0000000006F90000-0x0000000007033000-memory.dmp

      Filesize

      652KB

    • memory/1496-27-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1496-90-0x0000000006BE0000-0x0000000006DA2000-memory.dmp

      Filesize

      1.8MB

    • memory/1496-91-0x0000000006A60000-0x0000000006AB0000-memory.dmp

      Filesize

      320KB

    • memory/3020-5-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/3020-0-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

      Filesize

      4KB

    • memory/3020-7-0x0000000005420000-0x00000000054BC000-memory.dmp

      Filesize

      624KB

    • memory/3020-8-0x00000000066D0000-0x00000000066EE000-memory.dmp

      Filesize

      120KB

    • memory/3020-4-0x0000000005A70000-0x0000000005DC4000-memory.dmp

      Filesize

      3.3MB

    • memory/3020-48-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/3020-9-0x0000000074BBE000-0x0000000074BBF000-memory.dmp

      Filesize

      4KB

    • memory/3020-1-0x0000000000630000-0x000000000070A000-memory.dmp

      Filesize

      872KB

    • memory/3020-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

      Filesize

      5.6MB

    • memory/3020-6-0x0000000005170000-0x000000000517A000-memory.dmp

      Filesize

      40KB

    • memory/3020-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

      Filesize

      584KB

    • memory/3020-10-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/3020-11-0x0000000006970000-0x00000000069FE000-memory.dmp

      Filesize

      568KB

    • memory/3692-77-0x0000000007220000-0x00000000072B6000-memory.dmp

      Filesize

      600KB

    • memory/3692-78-0x00000000071A0000-0x00000000071B1000-memory.dmp

      Filesize

      68KB

    • memory/3692-20-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/3692-82-0x00000000072C0000-0x00000000072C8000-memory.dmp

      Filesize

      32KB

    • memory/3692-49-0x0000000005C90000-0x0000000005CAE000-memory.dmp

      Filesize

      120KB

    • memory/3692-65-0x0000000075440000-0x000000007548C000-memory.dmp

      Filesize

      304KB

    • memory/3692-89-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/3692-51-0x0000000006C30000-0x0000000006C62000-memory.dmp

      Filesize

      200KB

    • memory/3692-26-0x0000000074BB0000-0x0000000075360000-memory.dmp

      Filesize

      7.7MB

    • memory/3692-50-0x00000000061E0000-0x000000000622C000-memory.dmp

      Filesize

      304KB