Analysis

  • max time kernel
    125s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 03:24

General

  • Target

    d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe

  • Size

    781KB

  • MD5

    77b41bd5ad40ca65a9b807ad7f56578c

  • SHA1

    bb0a8b1013ce05aa8a8fc3881bcb2a31e3ecc2bb

  • SHA256

    d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049

  • SHA512

    323321ee89f2671455cd7bfe85dc6198032293f70b1649562f7fb6f165715a1fdb5a351d7b0b9195f50cc113191dff7a00847b11fbcc27cf59bd510266da9e45

  • SSDEEP

    24576:dTgIeeHprA7IEylv5iawyIXPABCdWeSi4daI:WBeJryynOyFcWHvda

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe
    "C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.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:548
    • 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\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1476
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AZuPqFXfyrxB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3944
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZuPqFXfyrxB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD234.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2244
    • C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe
      "C:\Users\Admin\AppData\Local\Temp\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.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:3264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d2e02002409982274c26172e7360d2c5114b70035fff2f3d6ba263dc110f3049.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_al2zefwj.vkf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD234.tmp

    Filesize

    1KB

    MD5

    2ae6362769e3465fa30027ffe10025a2

    SHA1

    f89f4d6ebe2b0f92123e810450fefc44ecd68987

    SHA256

    88bed4164a1a5467d4a655e686b8972ce463e68fbf09835bdceb1e83e9ab38a7

    SHA512

    b7ec74429baf8f91357a2305d850d408f8bc5a131162d12c9b885e0c05a4aa4a69efb8f9e2de055a43ef04132c06493464eb51c4f6f9c25fc8b51ce91667797b

  • memory/548-6-0x0000000007850000-0x0000000007868000-memory.dmp

    Filesize

    96KB

  • memory/548-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/548-5-0x0000000002A00000-0x0000000002A0A000-memory.dmp

    Filesize

    40KB

  • memory/548-3-0x00000000075F0000-0x0000000007682000-memory.dmp

    Filesize

    584KB

  • memory/548-7-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/548-8-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/548-9-0x0000000008E70000-0x0000000008EFE000-memory.dmp

    Filesize

    568KB

  • memory/548-10-0x00000000072C0000-0x000000000735C000-memory.dmp

    Filesize

    624KB

  • memory/548-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/548-48-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/548-2-0x0000000007AC0000-0x0000000008064000-memory.dmp

    Filesize

    5.6MB

  • memory/548-1-0x0000000000640000-0x000000000070A000-memory.dmp

    Filesize

    808KB

  • memory/1476-15-0x00000000052B0000-0x00000000052E6000-memory.dmp

    Filesize

    216KB

  • memory/1476-16-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-19-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-73-0x0000000007A60000-0x0000000007B03000-memory.dmp

    Filesize

    652KB

  • memory/1476-74-0x00000000081D0000-0x000000000884A000-memory.dmp

    Filesize

    6.5MB

  • memory/1476-24-0x0000000005FE0000-0x0000000006002000-memory.dmp

    Filesize

    136KB

  • memory/1476-18-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-17-0x0000000005940000-0x0000000005F68000-memory.dmp

    Filesize

    6.2MB

  • memory/1476-75-0x0000000007B90000-0x0000000007BAA000-memory.dmp

    Filesize

    104KB

  • memory/1476-62-0x0000000075B70000-0x0000000075BBC000-memory.dmp

    Filesize

    304KB

  • memory/1476-86-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-78-0x0000000007D90000-0x0000000007DA1000-memory.dmp

    Filesize

    68KB

  • memory/1476-77-0x0000000007E10000-0x0000000007EA6000-memory.dmp

    Filesize

    600KB

  • memory/1476-76-0x0000000007C00000-0x0000000007C0A000-memory.dmp

    Filesize

    40KB

  • memory/3264-87-0x0000000006D80000-0x0000000006F42000-memory.dmp

    Filesize

    1.8MB

  • memory/3264-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3264-88-0x0000000006C10000-0x0000000006C60000-memory.dmp

    Filesize

    320KB

  • memory/3944-38-0x0000000006250000-0x00000000065A4000-memory.dmp

    Filesize

    3.3MB

  • memory/3944-68-0x0000000006C40000-0x0000000006C5E000-memory.dmp

    Filesize

    120KB

  • memory/3944-51-0x0000000007860000-0x0000000007892000-memory.dmp

    Filesize

    200KB

  • memory/3944-52-0x0000000075B70000-0x0000000075BBC000-memory.dmp

    Filesize

    304KB

  • memory/3944-49-0x0000000006660000-0x000000000667E000-memory.dmp

    Filesize

    120KB

  • memory/3944-50-0x0000000006B70000-0x0000000006BBC000-memory.dmp

    Filesize

    304KB

  • memory/3944-26-0x0000000005FA0000-0x0000000006006000-memory.dmp

    Filesize

    408KB

  • memory/3944-79-0x0000000007BB0000-0x0000000007BBE000-memory.dmp

    Filesize

    56KB

  • memory/3944-80-0x0000000007BC0000-0x0000000007BD4000-memory.dmp

    Filesize

    80KB

  • memory/3944-81-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

    Filesize

    104KB

  • memory/3944-82-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

    Filesize

    32KB

  • memory/3944-32-0x0000000006010000-0x0000000006076000-memory.dmp

    Filesize

    408KB

  • memory/3944-85-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-20-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-22-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB