Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 21:19

General

  • Target

    2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe

  • Size

    721KB

  • MD5

    676e09400b07f151e4e402284e88b8c0

  • SHA1

    f5ac11d146a72e002ff5bdc1627750d6742b1f22

  • SHA256

    2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1

  • SHA512

    6b754b38f27f092068e5847605dead0f0347decf92043dfba6f73a77f786e5040204cb9d7f20197eeed7737ddaf015d93d543861d5d2504a986e5389907570ff

  • SSDEEP

    12288:E1xZ5n0179tQbEeX/zYM28x7JsAzZTgkjb+UQf6KdSM2g7ocst3BlVU7doThdUD2:jt0//P2A7KAx+dT2g7ohRl6poThu5a4e

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\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe
    "C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2224
    • 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\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EtFGdzr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EtFGdzr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3469.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2860
    • C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe
      "C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.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:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3469.tmp

    Filesize

    1KB

    MD5

    9e15d158c339bf8f243c0ef32f171943

    SHA1

    76a8940e716d6a70ee3df0a65d82f3451e3ecfab

    SHA256

    582356f314ba1b2671d0521c56c0a3a0addd1072bdbbe08699aa34c84204c4c7

    SHA512

    832bb5e4885bf6da1681b3a0aaeb107430165afeb9d2b588f5ccbeb4de7c5b3bc2ac426c0650fa9b418be5eb306ff839c4817b63e4c5b4f6cba29e5e29891e31

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

    Filesize

    7KB

    MD5

    388677bd93fe4bf3c1065e4e80f69d5e

    SHA1

    a904d7b537b162ce2e0958d5f67eb063c85347ef

    SHA256

    b972ef2a2f65dd7f92cc9a4898103d5827736bcbdcdfa086c5cbd7bb1e2373fd

    SHA512

    bbff8a7cc87e97fb13751b62f2c36d31c6ba833a95c1588dffdc6435993ee59877cee48598632eb5795998a786e9b9d41728c428bbc25f57d9c9bd0b745b04c1

  • memory/2224-4-0x000000007433E000-0x000000007433F000-memory.dmp

    Filesize

    4KB

  • memory/2224-31-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-0-0x000000007433E000-0x000000007433F000-memory.dmp

    Filesize

    4KB

  • memory/2224-5-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-6-0x00000000005C0000-0x000000000064C000-memory.dmp

    Filesize

    560KB

  • memory/2224-2-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2224-1-0x0000000001380000-0x000000000143A000-memory.dmp

    Filesize

    744KB

  • memory/2224-3-0x0000000000A00000-0x0000000000A1C000-memory.dmp

    Filesize

    112KB

  • memory/3000-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3000-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3000-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3000-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3000-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3000-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3000-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3000-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB