Analysis

  • max time kernel
    119s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 08:54

General

  • Target

    WIpGif4IRrFfamQ.exe

  • Size

    751KB

  • MD5

    102c9ce1c659517c4ea924c2044305b7

  • SHA1

    942b0a7e2077eca38b9b6ff16d89722cbbbf7002

  • SHA256

    b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310

  • SHA512

    eca6ed6a871e9fbee67feb73534bff544f052d6b3e1058a68b4602f159f089193f0f576384e6cd49373d50200d71bb4aeadd151c0fb81a77a6246849af2f39f6

  • SSDEEP

    12288:L3TmP4kyFSnIZgc1D7COp2JwlmsxS4kZHtfi390V+KA7rC7LOmDZ:2gBOI9D7CO0JqTSRNfiQsG7LOmD

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.

  • 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\WIpGif4IRrFfamQ.exe
    "C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • 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\WIpGif4IRrFfamQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AcEnrS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AcEnrS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp66ED.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2724
    • C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.exe
      "C:\Users\Admin\AppData\Local\Temp\WIpGif4IRrFfamQ.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:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp66ED.tmp

    Filesize

    1KB

    MD5

    57f2ee8c2486154c08544330ea9356c7

    SHA1

    55ec1eae5e76d37adb765ba98eaf8507cc3cb4ef

    SHA256

    09c854ea0eb675ca3865116b3a3869cc2674b02d2b355fa673e38b2f5ae94639

    SHA512

    8b1bed125bdd527611f1b14e5f7f0463500f769e7cf00837cb86843f5d08e6e444a9b98dbad22a8e7bd8c1a01ebb4ffd3b95adea76f31b33a0f21ba70d2c6010

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    2da5ad1a52c67097042eddfaf399d91d

    SHA1

    c9832c18cb9699047cb9cc386423bc67bcf8fccd

    SHA256

    77774fd56595fac2f38899d266ed7024fbe0f8f398fc44949e43b9e0f6cb04fa

    SHA512

    892b403295a1b137d0f19bc26d1e71abb2487b2b2058ab8ed2a210b6c51a26cfec65eda22d16598ea8942d43f6242813014b110afae526c40d5090d6eb5b75d5

  • memory/2028-4-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2028-32-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2028-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2028-5-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2028-6-0x0000000000460000-0x00000000004EC000-memory.dmp

    Filesize

    560KB

  • memory/2028-2-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2028-1-0x00000000013E0000-0x00000000014A2000-memory.dmp

    Filesize

    776KB

  • memory/2028-3-0x00000000003C0000-0x00000000003DE000-memory.dmp

    Filesize

    120KB

  • memory/3044-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3044-31-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3044-28-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3044-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3044-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3044-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3044-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3044-29-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB