Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2025, 19:10

General

  • Target

    3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94.exe

  • Size

    721KB

  • MD5

    70602e7ff206b4f93ab42a72bc1aa588

  • SHA1

    6b0e85d90004295114a81b0066406c1ef0ed786a

  • SHA256

    3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94

  • SHA512

    dccebd67bad12301b8ab183bd0b5f0cdffa3be4296d7a06f0f2bd5c6ecb9b9199ab6019d862d5b2f8fa4c90a14d8212957a9c6e4e2513a5d257dd190ccc159d1

  • SSDEEP

    12288:l/zMjvOn6nzxiAkoqMPEMg8gmugJRmCtDEYCSDPe2O3dAmV0cz:RIj2n6nwALLglmuk8C6YCSDW2gdAmWc

Malware Config

Extracted

Family

vipkeylogger

Signatures

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • 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 3 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 9 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94.exe
    "C:\Users\Admin\AppData\Local\Temp\3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp\3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94.exe
      "C:\Users\Admin\AppData\Local\Temp\3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94.exe"
      2⤵
        PID:2800
      • C:\Users\Admin\AppData\Local\Temp\3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94.exe
        "C:\Users\Admin\AppData\Local\Temp\3afbbb402849c9eb3041a660990e20007d8a3b2fd244b0425c2d7e2eff6acc94.exe"
        2⤵
        • Modifies Windows Defender DisableAntiSpyware settings
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1120-0-0x000000007473E000-0x000000007473F000-memory.dmp

      Filesize

      4KB

    • memory/1120-1-0x0000000000F90000-0x000000000104A000-memory.dmp

      Filesize

      744KB

    • memory/1120-2-0x0000000074730000-0x0000000074E1E000-memory.dmp

      Filesize

      6.9MB

    • memory/1120-3-0x00000000002C0000-0x00000000002D8000-memory.dmp

      Filesize

      96KB

    • memory/1120-4-0x000000007473E000-0x000000007473F000-memory.dmp

      Filesize

      4KB

    • memory/1120-5-0x0000000074730000-0x0000000074E1E000-memory.dmp

      Filesize

      6.9MB

    • memory/1120-6-0x0000000005320000-0x000000000539E000-memory.dmp

      Filesize

      504KB

    • memory/1120-24-0x0000000074730000-0x0000000074E1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2920-21-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-7-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-19-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2920-15-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-22-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-9-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-13-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-23-0x0000000000990000-0x00000000009DE000-memory.dmp

      Filesize

      312KB

    • memory/2920-11-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-29-0x0000000074730000-0x0000000074E1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2920-28-0x0000000000A30000-0x0000000000A7E000-memory.dmp

      Filesize

      312KB

    • memory/2920-27-0x000000007473E000-0x000000007473F000-memory.dmp

      Filesize

      4KB

    • memory/2920-26-0x0000000000DB0000-0x0000000000DF0000-memory.dmp

      Filesize

      256KB

    • memory/2920-25-0x0000000000DB0000-0x0000000000DF0000-memory.dmp

      Filesize

      256KB

    • memory/2920-30-0x0000000074730000-0x0000000074E1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2920-31-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/2920-32-0x0000000000DB0000-0x0000000000DF0000-memory.dmp

      Filesize

      256KB

    • memory/2920-33-0x0000000000DB0000-0x0000000000DF0000-memory.dmp

      Filesize

      256KB

    • memory/2920-34-0x0000000074730000-0x0000000074E1E000-memory.dmp

      Filesize

      6.9MB