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Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 13:39

General

  • Target

    2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.exe

  • Size

    721KB

  • MD5

    676e09400b07f151e4e402284e88b8c0

  • SHA1

    f5ac11d146a72e002ff5bdc1627750d6742b1f22

  • SHA256

    2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1

  • SHA512

    6b754b38f27f092068e5847605dead0f0347decf92043dfba6f73a77f786e5040204cb9d7f20197eeed7737ddaf015d93d543861d5d2504a986e5389907570ff

  • SSDEEP

    12288:E1xZ5n0179tQbEeX/zYM28x7JsAzZTgkjb+UQf6KdSM2g7ocst3BlVU7doThdUD2:jt0//P2A7KAx+dT2g7ohRl6poThu5a4e

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 11 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\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.exe
    "C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.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:1036
    • 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\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5016
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EtFGdzr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EtFGdzr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBECC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1048
    • C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.exe
      "C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.exe"
      2⤵
        PID:3484
      • C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.exe
        "C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1N.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:1588

    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

      87d2b91e11ce98bcae412c48ac706a17

      SHA1

      6a163a088a519fb9689ff1fec874dba8ccc5d35d

      SHA256

      1c12ad409c2269d1dd597b55b62a97b9d3200eb720b4c85ed2c747296df38053

      SHA512

      a0969dac03ada6965253a9fbd1100313f24f04b0e0dfe536877cda56f1b136a846b2a45a9a0a62fcf8906902ae4434c15faeadb718ef6fee61f3da4026d33471

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_npapbpvu.qxp.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      1KB

      MD5

      d580412784b71d0c981193c6e976b390

      SHA1

      eda2784d2273d75e1dd0b1c9e631c6f6bd392a90

      SHA256

      4ff6fe46871bffddefd51343cf9b188935d5fec2bd2ce1f09c4099a30c19584a

      SHA512

      c1d08c72a6d22a3ef9340ad60a2fb5f5cefdad93424f88192bfe349f09c1f12cf9e2ed2de4942c3e19553fc50603af15a67e35664c3ef6bfd6d7bfcefb484dbc

    • memory/1036-8-0x000000007518E000-0x000000007518F000-memory.dmp

      Filesize

      4KB

    • memory/1036-2-0x0000000005940000-0x0000000005EE4000-memory.dmp

      Filesize

      5.6MB

    • memory/1036-6-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1036-7-0x0000000005920000-0x000000000593C000-memory.dmp

      Filesize

      112KB

    • memory/1036-5-0x0000000005580000-0x000000000561C000-memory.dmp

      Filesize

      624KB

    • memory/1036-9-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1036-10-0x0000000004C30000-0x0000000004CBC000-memory.dmp

      Filesize

      560KB

    • memory/1036-0-0x000000007518E000-0x000000007518F000-memory.dmp

      Filesize

      4KB

    • memory/1036-1-0x0000000000800000-0x00000000008BA000-memory.dmp

      Filesize

      744KB

    • memory/1036-4-0x0000000005340000-0x000000000534A000-memory.dmp

      Filesize

      40KB

    • memory/1036-39-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1036-3-0x0000000005280000-0x0000000005312000-memory.dmp

      Filesize

      584KB

    • memory/1588-26-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1588-90-0x00000000064D0000-0x0000000006692000-memory.dmp

      Filesize

      1.8MB

    • memory/1588-91-0x0000000006370000-0x00000000063C0000-memory.dmp

      Filesize

      320KB

    • memory/1720-89-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1720-79-0x0000000007C00000-0x0000000007C0E000-memory.dmp

      Filesize

      56KB

    • memory/1720-77-0x0000000007C50000-0x0000000007CE6000-memory.dmp

      Filesize

      600KB

    • memory/1720-21-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1720-27-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1720-80-0x0000000007C10000-0x0000000007C24000-memory.dmp

      Filesize

      80KB

    • memory/1720-19-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/1720-52-0x00000000718A0000-0x00000000718EC000-memory.dmp

      Filesize

      304KB

    • memory/1720-74-0x0000000008010000-0x000000000868A000-memory.dmp

      Filesize

      6.5MB

    • memory/1720-63-0x0000000007680000-0x0000000007723000-memory.dmp

      Filesize

      652KB

    • memory/1720-51-0x0000000007630000-0x0000000007662000-memory.dmp

      Filesize

      200KB

    • memory/1720-62-0x0000000007610000-0x000000000762E000-memory.dmp

      Filesize

      120KB

    • memory/5016-34-0x0000000005710000-0x0000000005A64000-memory.dmp

      Filesize

      3.3MB

    • memory/5016-64-0x00000000718A0000-0x00000000718EC000-memory.dmp

      Filesize

      304KB

    • memory/5016-50-0x0000000005DA0000-0x0000000005DEC000-memory.dmp

      Filesize

      304KB

    • memory/5016-49-0x0000000005CF0000-0x0000000005D0E000-memory.dmp

      Filesize

      120KB

    • memory/5016-75-0x0000000007010000-0x000000000702A000-memory.dmp

      Filesize

      104KB

    • memory/5016-76-0x0000000007090000-0x000000000709A000-memory.dmp

      Filesize

      40KB

    • memory/5016-22-0x0000000004C10000-0x0000000004C32000-memory.dmp

      Filesize

      136KB

    • memory/5016-78-0x0000000007210000-0x0000000007221000-memory.dmp

      Filesize

      68KB

    • memory/5016-24-0x00000000056A0000-0x0000000005706000-memory.dmp

      Filesize

      408KB

    • memory/5016-25-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5016-81-0x0000000007350000-0x000000000736A000-memory.dmp

      Filesize

      104KB

    • memory/5016-82-0x0000000007330000-0x0000000007338000-memory.dmp

      Filesize

      32KB

    • memory/5016-23-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/5016-18-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5016-88-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5016-16-0x0000000004E20000-0x0000000005448000-memory.dmp

      Filesize

      6.2MB

    • memory/5016-17-0x0000000075180000-0x0000000075930000-memory.dmp

      Filesize

      7.7MB

    • memory/5016-15-0x0000000004720000-0x0000000004756000-memory.dmp

      Filesize

      216KB