Analysis

  • max time kernel
    119s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 10:51

General

  • Target

    RFQ.exe

  • Size

    757KB

  • MD5

    fbe6bc03a03310d3cb73b56f26c450c4

  • SHA1

    daef2bf82d629458f58ef53c2faf93970c27644e

  • SHA256

    1ffdb5b3f3b764b20dfc66d3c70d80d25a75b3707f42cce07b032398bce7b195

  • SHA512

    55972ac403bb20d4ff8f4da07c62c0172260f3e73889b4e5069ad999920409f30c7cbca95bb953ed0d10fe0af38555b816322bcfcea79fc75ea123b0471e5ad1

  • SSDEEP

    12288:HNit1Ay2Lr/xR65Qxh1D5N1IyXHu1/NeKtmtpqgqc5kp2PLitx+xRkR:At1yQUJW2OPbnlYLQx+xM

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 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 5 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\RFQ.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyQmHXV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyQmHXV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16EA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2312
    • C:\Users\Admin\AppData\Local\Temp\RFQ.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ.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:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp16EA.tmp

    Filesize

    1KB

    MD5

    24496f96094bcd8c4f4a46ee14f9befc

    SHA1

    f122efcc30ff8c2f70d543628d0d418ed4a38121

    SHA256

    ac8f4450badab0e5bb3ecf91ceb86504f9960bf2b8abd7ff96ccbf9c4708427c

    SHA512

    531758a6ab3fae53e28f329a01516c68ed4670298739bdf3f7d39e363c7a18e0b6741c4e3f598541ba9c75a11cebf2d04ab8a93d88ae22d6aaa9c8c942be6324

  • memory/2436-26-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2436-1-0x0000000000A10000-0x0000000000AD0000-memory.dmp

    Filesize

    768KB

  • memory/2436-2-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2436-3-0x00000000003D0000-0x00000000003EE000-memory.dmp

    Filesize

    120KB

  • memory/2436-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

    Filesize

    4KB

  • memory/2436-5-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2436-6-0x0000000000470000-0x00000000004FC000-memory.dmp

    Filesize

    560KB

  • memory/2436-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

    Filesize

    4KB

  • memory/2880-14-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2880-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2880-24-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2880-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2880-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-20-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2880-16-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2880-18-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB