Analysis

  • max time kernel
    139s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    29/08/2024, 15:32

General

  • Target

    regasm.exe

  • Size

    694KB

  • MD5

    62b9f8d4c98febbcd68e635c14d8d882

  • SHA1

    9689119fff4101543313c9fc73072cc3f7cb9736

  • SHA256

    e93063292dbb2c3209541ea13e57d0cca3225f35eb18977d2b3400a97255a49d

  • SHA512

    7eb0993733bd683b5b4ad128c1f7d746de4125da05d5e8bdbde1070705175ac12b431ab1924d08652462a3f4e5bf63bfb60717ac6b476186eff30e4aa9e2ee05

  • SSDEEP

    12288:btJJZsVISjztCzxhgAhxAFmu52iOYTH14FErBxLef:btJ3sVIUzkTgSqFF5bH

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\regasm.exe
    "C:\Users\Admin\AppData\Local\Temp\regasm.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\AppData\Local\Temp\regasm.exe
      "C:\Users\Admin\AppData\Local\Temp\regasm.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:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1980-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

    Filesize

    4KB

  • memory/1980-1-0x00000000001C0000-0x0000000000274000-memory.dmp

    Filesize

    720KB

  • memory/1980-2-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/1980-3-0x0000000000360000-0x0000000000372000-memory.dmp

    Filesize

    72KB

  • memory/1980-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

    Filesize

    4KB

  • memory/1980-5-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/1980-6-0x00000000003A0000-0x00000000003AE000-memory.dmp

    Filesize

    56KB

  • memory/1980-7-0x0000000004D80000-0x0000000004E0C000-memory.dmp

    Filesize

    560KB

  • memory/1980-20-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-16-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2492-14-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2492-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2492-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2492-10-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2492-18-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2492-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2492-19-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-8-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2492-21-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-22-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-23-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB