Analysis

  • max time kernel
    149s
  • 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
    15-11-2024 03:06

General

  • Target

    e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe

  • Size

    784KB

  • MD5

    f45d95d9be611f61ba9f193ea4676eae

  • SHA1

    8cf82904cb76d2476b5ff36b9072c65b5c414ede

  • SHA256

    e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9

  • SHA512

    4f0597df3e489d6ef23432a7321542ff08965a5fa93198c039e005a86dcdaa9abb60eae484c9cac949fa9d2db6d7548f797af73a6fd8f5bd20ee1a836258aedf

  • SSDEEP

    24576:A5CJVwLNNNizk+m0v5C8IomqxL8q0A9O6y:AY6vNmm0v5Tv/8m9y

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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe
    "C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.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:4224
    • 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\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KZgaxkBH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZgaxkBH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DC4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4732
    • C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe
      "C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
      2⤵
        PID:3748
      • C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe
        "C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2740

    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

      c4fcf618792275e76b5092e2c71e23b3

      SHA1

      358fad4be1db521b2c7c3c728f55d72fb6c45d50

      SHA256

      73ab4bf187cff8bdf2f99c6816ad052354ac4ca96ce8086d12c84b6e65a482c7

      SHA512

      615e34c9b188d39d25b52f644409536ea40c019f02f9eede083bcfa49999cfb0237809cd5defb23c7658a260a2d3d7f97721e00a175ff5c047eeb451346489c7

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_woncdwfm.avw.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp1DC4.tmp

      Filesize

      1KB

      MD5

      b51129f1634c2db003c9b731c8f81ec1

      SHA1

      b68ae6e61a6906cf54fb8a5b69fd5b49e47b7b1f

      SHA256

      05e0fa239da8193fa8e9bb8584c77c53b5dfadb46c262c3761150aa1056418c4

      SHA512

      42c0d0eb0df8ae7667dd04c8bea3248d154ed4164e69213216d5ec5c31700c276224e690e08b7d305ee53a52835d2243425a7acd382f57ddc1a17939621adbd5

    • memory/2740-25-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-90-0x00000000066A0000-0x00000000066F0000-memory.dmp

      Filesize

      320KB

    • memory/2740-89-0x0000000006800000-0x00000000069C2000-memory.dmp

      Filesize

      1.8MB

    • memory/2740-91-0x00000000072E0000-0x000000000780C000-memory.dmp

      Filesize

      5.2MB

    • memory/3908-65-0x0000000071200000-0x000000007124C000-memory.dmp

      Filesize

      304KB

    • memory/3908-26-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/3908-20-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/3908-88-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4224-9-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4224-10-0x0000000008630000-0x00000000086BE000-memory.dmp

      Filesize

      568KB

    • memory/4224-5-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4224-8-0x000000007519E000-0x000000007519F000-memory.dmp

      Filesize

      4KB

    • memory/4224-4-0x00000000052E0000-0x000000000537C000-memory.dmp

      Filesize

      624KB

    • memory/4224-3-0x00000000051A0000-0x0000000005232000-memory.dmp

      Filesize

      584KB

    • memory/4224-0-0x000000007519E000-0x000000007519F000-memory.dmp

      Filesize

      4KB

    • memory/4224-7-0x0000000005660000-0x0000000005672000-memory.dmp

      Filesize

      72KB

    • memory/4224-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

      Filesize

      5.6MB

    • memory/4224-1-0x00000000006F0000-0x00000000007BA000-memory.dmp

      Filesize

      808KB

    • memory/4224-29-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4224-6-0x0000000005240000-0x000000000524A000-memory.dmp

      Filesize

      40KB

    • memory/4928-23-0x0000000005AC0000-0x0000000005B26000-memory.dmp

      Filesize

      408KB

    • memory/4928-77-0x0000000007840000-0x0000000007851000-memory.dmp

      Filesize

      68KB

    • memory/4928-48-0x0000000006320000-0x000000000633E000-memory.dmp

      Filesize

      120KB

    • memory/4928-49-0x0000000006490000-0x00000000064DC000-memory.dmp

      Filesize

      304KB

    • memory/4928-51-0x0000000071200000-0x000000007124C000-memory.dmp

      Filesize

      304KB

    • memory/4928-61-0x00000000068D0000-0x00000000068EE000-memory.dmp

      Filesize

      120KB

    • memory/4928-62-0x00000000074F0000-0x0000000007593000-memory.dmp

      Filesize

      652KB

    • memory/4928-50-0x00000000072A0000-0x00000000072D2000-memory.dmp

      Filesize

      200KB

    • memory/4928-64-0x0000000007640000-0x000000000765A000-memory.dmp

      Filesize

      104KB

    • memory/4928-63-0x0000000007C90000-0x000000000830A000-memory.dmp

      Filesize

      6.5MB

    • memory/4928-24-0x0000000005BE0000-0x0000000005C46000-memory.dmp

      Filesize

      408KB

    • memory/4928-75-0x00000000076B0000-0x00000000076BA000-memory.dmp

      Filesize

      40KB

    • memory/4928-76-0x00000000078C0000-0x0000000007956000-memory.dmp

      Filesize

      600KB

    • memory/4928-21-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-78-0x0000000007870000-0x000000000787E000-memory.dmp

      Filesize

      56KB

    • memory/4928-79-0x0000000007880000-0x0000000007894000-memory.dmp

      Filesize

      80KB

    • memory/4928-80-0x0000000007980000-0x000000000799A000-memory.dmp

      Filesize

      104KB

    • memory/4928-81-0x0000000007960000-0x0000000007968000-memory.dmp

      Filesize

      32KB

    • memory/4928-84-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-28-0x0000000005D50000-0x00000000060A4000-memory.dmp

      Filesize

      3.3MB

    • memory/4928-22-0x0000000005250000-0x0000000005272000-memory.dmp

      Filesize

      136KB

    • memory/4928-18-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-16-0x0000000075190000-0x0000000075940000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-17-0x0000000005420000-0x0000000005A48000-memory.dmp

      Filesize

      6.2MB

    • memory/4928-15-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

      Filesize

      216KB