Analysis

  • max time kernel
    91s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2024, 05:17

General

  • Target

    b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe

  • Size

    760KB

  • MD5

    7ef30b948f770a3ab89ba600d7769567

  • SHA1

    b174f4af296920bad58ee090c461f6373d621529

  • SHA256

    b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209

  • SHA512

    25a7dd8a3c1fba91e82adb045a2eb9eaff873811b8084bf7e07386b564b8eae635a65ef65d8d5025371bfd748a53f83edcbaa8fc1deb780fabe41c9f78220de5

  • SSDEEP

    12288:qdAoaDPw1Qk89TmyRvmG9CmmRWAyJ5z6+gn6+iUziaZ1GjK8abMVvdOnK3RlHKxl:GwLw9gTFRbhSWduhn6SBnGWyXOnK/Kxl

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 1 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 4 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe
    "C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qcwJfgKIRobT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2816
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qcwJfgKIRobT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB53.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2812
    • C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.exe
      "C:\Users\Admin\AppData\Local\Temp\b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209.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:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBB53.tmp

    Filesize

    1KB

    MD5

    6baf255f300017681b6098ca717cd838

    SHA1

    9a6d6caeca3e5dd1d9f5750603a68eacf939253c

    SHA256

    7d1c58ed1dd608e865bce60ede10743fc6becaa7f8708d67ea6cd787fd9a4de1

    SHA512

    cb47c35879c402fff862de79021c1e6fabe9829802f79d0557fc782beb9ff094228691f9669bc5d14b165f387d499d5d0543d2bd7085270f2385b742b75fbce5

  • memory/2288-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2288-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2288-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2288-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2288-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2288-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2288-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2288-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2744-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-6-0x00000000003F0000-0x000000000047C000-memory.dmp

    Filesize

    560KB

  • memory/2744-1-0x0000000000330000-0x00000000003F0000-memory.dmp

    Filesize

    768KB

  • memory/2744-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

    Filesize

    4KB

  • memory/2744-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-4-0x00000000741FE000-0x00000000741FF000-memory.dmp

    Filesize

    4KB

  • memory/2744-3-0x0000000004740000-0x000000000475E000-memory.dmp

    Filesize

    120KB

  • memory/2744-26-0x00000000741F0000-0x00000000748DE000-memory.dmp

    Filesize

    6.9MB