Analysis

  • max time kernel
    122s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 03:10

General

  • Target

    ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe

  • Size

    737KB

  • MD5

    0e3b9fa81888888f2b8272b117aae92a

  • SHA1

    4678d9fd171a9b1532c8be7b7b6c9854f7393c56

  • SHA256

    ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105

  • SHA512

    5d4d0b70d93508cf6ccdbb56359d3b834964741c97a551cbc8084b4a49268b0d32079d9053186f0815f0d2f2ec311859980a47d5d015c42fa0f1fef62ec97852

  • SSDEEP

    12288:JHa+j3RbeXS9/LPND49Z9OtJY9ohY4I1+GDXawz7TIAUeBQmPt:J6+j35eXS9YcmxHz7T9UeSmPt

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\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe
    "C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kWzGdGdkV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kWzGdGdkV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp400C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2828
    • C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.exe
      "C:\Users\Admin\AppData\Local\Temp\ec28ac8724bf2fa9d174bb0f20b018cc34ad87d0437cc7c765c559aea1a68105.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:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp400C.tmp

    Filesize

    1KB

    MD5

    299697f1a6e9a55ea5e5b74f8992d6b1

    SHA1

    f66c4effc0f2f4f1194505189f22817e8a8409b6

    SHA256

    6cf975e488aebdbdadbdc2d7b9a390a9e4f310096875910bc3dbf49a7a5390f9

    SHA512

    49bc0b8e62e8f07d307a720734f655b8d5654c7660990a2653976d32d61045c180506d0398729f9348be184bc736e5dd39c5d0d395809e42d57ae10dbf9a5edb

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

    Filesize

    7KB

    MD5

    c786cf34f16f9cc7da3700039bdee34c

    SHA1

    bf3b73e2cde2f82883d487f21f8afdee67add303

    SHA256

    c0a85ca6ff8fefd5104b0acadaddc8be19107401a4109cbd0262402b3bb3e33a

    SHA512

    b37b77292e9b50e06899824f7aeddaafe97afe5745d8f2494a12223ccbcaa2b70f003d093b6c530c52b84b587946d96f73317a986c3ba4caa093a1aa3c77843c

  • memory/2084-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2084-31-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2084-5-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-6-0x0000000005790000-0x000000000581E000-memory.dmp

    Filesize

    568KB

  • memory/2084-2-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-1-0x0000000000F60000-0x000000000101E000-memory.dmp

    Filesize

    760KB

  • memory/2084-3-0x0000000000600000-0x000000000061C000-memory.dmp

    Filesize

    112KB

  • memory/2556-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2556-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2556-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB