Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 02:42

General

  • Target

    955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe

  • Size

    901KB

  • MD5

    39160062bf5c599a2176c44c4bd10b0b

  • SHA1

    7906e08060fb52bd72450f179338510282d204dd

  • SHA256

    955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd

  • SHA512

    2eeff46c5aea104042f4ad0bf56ea4d5ffc1ea61c25d5c359fd862f33dd2d09d9949c1becbd78c9383c128d447789ceb8ab9357f623824363c8f43daf356d7b5

  • SSDEEP

    24576:1q0q4jNmNd746eRuKhEZkdM6yn8dvj7Nm:1qsmDedZyyj

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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe
    "C:\Users\Admin\AppData\Local\Temp\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • 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\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2932
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mwyDoQDXVAon.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwyDoQDXVAon" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D26.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2788
    • C:\Users\Admin\AppData\Local\Temp\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.exe
      "C:\Users\Admin\AppData\Local\Temp\955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd.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:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4D26.tmp

    Filesize

    1KB

    MD5

    1d88cd076545f3ba84f54f7e7364fe2a

    SHA1

    bada2d319164a75fce9ba96095fb8cb63a9fb91c

    SHA256

    9e2125ddbd9360974a54ca78af59ab6ce2175f9bf054deb0bdf3acd31fca33dc

    SHA512

    11597fdcac51da0fd5a60d8e2d115c98a77bd12f00cad8ffa427e97b70b4f293dee5a1f0b3211474467c3a9a42df62831bac512d1795d112d2ce0df203ddf90e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\F45KYLVRJA4XK9FB8Z52.temp

    Filesize

    7KB

    MD5

    d98fd62a18da8f704046b97d1e9907f8

    SHA1

    5f1dd11bedcfb4938ce4764a4111a5b6026466e9

    SHA256

    b2eef58a6029dc2de5b73f2e99effef249fe44917a9c6d5d050587161b34f986

    SHA512

    56bd16d701058d1867b3bd1afa0e738299b02dcc0fa8786dbed6c77c21cebc6b80a49e1d7a5be07e309f7f4f21e33309ff58bbebd47174d4df4a85886e515e8d

  • memory/1056-4-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/1056-32-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/1056-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

    Filesize

    4KB

  • memory/1056-5-0x0000000000520000-0x000000000053C000-memory.dmp

    Filesize

    112KB

  • memory/1056-6-0x00000000005E0000-0x000000000066C000-memory.dmp

    Filesize

    560KB

  • memory/1056-2-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/1056-1-0x00000000009B0000-0x0000000000A96000-memory.dmp

    Filesize

    920KB

  • memory/1056-3-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

    Filesize

    4KB

  • memory/2456-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2456-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2456-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB