Analysis

  • max time kernel
    122s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-10-2024 01:14

General

  • Target

    c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe

  • Size

    857KB

  • MD5

    3bc8fe52f28307cf921da1f1bdc448fb

  • SHA1

    0a213e9c8ace169379f108ccba01793ddcdc07f0

  • SHA256

    c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd

  • SHA512

    660d600323d9cfacbbca1f897d66e517693d10a316edc59e95ed02532a46dde7d7d0af0dbc9b750e3ee70bc0cf1b74fbc7fd7bcb2a257ea5d22c704b212353e3

  • SSDEEP

    24576:deq38JBG088vRAwGdZHczQh3Xq6iLlCFEY:2XG78ijFXq6iLsKY

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe
    "C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2728
    • 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\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EUjCRllSu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EUjCRllSu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C77.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2732
    • C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe
      "C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.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:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8C77.tmp

    Filesize

    1KB

    MD5

    1db1162e1f051f93e2994515b749ce54

    SHA1

    2370ed0d450c6d0fb74a17623780ad70f862c88a

    SHA256

    c23e6ebb05e5ae2c16846e166ee81b5441fef433835488ee99fec3f7cbb778a7

    SHA512

    2083d198dc3ca156e603e4cd6022334cb6addefd8083610fcae8b4f8bfd68612822900be1d41d3a0d4a079f030c56fa17284d914fd19ee9a31033cd5c81a723e

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

    Filesize

    7KB

    MD5

    022f3bec30949288a14fc1a35b0582e2

    SHA1

    09bf45c38bd5e663321e5a7c2892edd55ea76cb4

    SHA256

    726907f699a8053136d0221cda70f9f9b0f602ca627fcde6d648e15df0e72f7b

    SHA512

    cac050c27cf003c6ce43498930f0b6c2ea88d499fafb5a2326f34a716ff7d71f2a6c7e45bf03a2b84fa71870a108bca5527dbfb0089ced08b45d3788dd3f1b44

  • memory/2688-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2688-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2688-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2688-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2688-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2688-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2688-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2688-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2728-6-0x0000000005CB0000-0x0000000005D3C000-memory.dmp

    Filesize

    560KB

  • memory/2728-1-0x0000000001220000-0x00000000012FC000-memory.dmp

    Filesize

    880KB

  • memory/2728-0-0x000000007456E000-0x000000007456F000-memory.dmp

    Filesize

    4KB

  • memory/2728-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-3-0x0000000000370000-0x000000000037E000-memory.dmp

    Filesize

    56KB

  • memory/2728-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-4-0x000000007456E000-0x000000007456F000-memory.dmp

    Filesize

    4KB

  • memory/2728-31-0x0000000074560000-0x0000000074C4E000-memory.dmp

    Filesize

    6.9MB