Analysis

  • max time kernel
    83s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    29/08/2024, 02:11

General

  • Target

    a42a0e33a7afc63d95646d92bda54590N.exe

  • Size

    734KB

  • MD5

    a42a0e33a7afc63d95646d92bda54590

  • SHA1

    a9b1f89274a0ba2a108ab0c65c9590d394f9c621

  • SHA256

    cb3bfc9012fd57837e1502dcc56619ad658c1e0b2328cf172f73ab00261bc8b5

  • SHA512

    0b2b8214f18478ca5b8885203911c6a6ece88b7527b5d564d4121c5f1adfddeb07c2a3e55c88578cac872eaf9c5774b75c59b55fd88237c2fcbb4bcc3f587bfd

  • SSDEEP

    12288:vWvuoL3rlW4fx1wjCrVoWIoYuCzQnIn+98DfSx6DZH/dJQLsU+9eLFDvcFUSWh0w:mlvH4EeT9zQnI7eYN1JQAwLFDveUD0Mc

Malware Config

Extracted

Family

vipkeylogger

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 9 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\a42a0e33a7afc63d95646d92bda54590N.exe
    "C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe
      "C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.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:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2188-21-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-1-0x0000000000890000-0x000000000094E000-memory.dmp

    Filesize

    760KB

  • memory/2188-2-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-3-0x0000000000310000-0x000000000032A000-memory.dmp

    Filesize

    104KB

  • memory/2188-4-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/2188-5-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-6-0x00000000005C0000-0x00000000005CC000-memory.dmp

    Filesize

    48KB

  • memory/2188-7-0x0000000000820000-0x0000000000830000-memory.dmp

    Filesize

    64KB

  • memory/2188-8-0x0000000005060000-0x00000000050EC000-memory.dmp

    Filesize

    560KB

  • memory/2188-0-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/2220-15-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2220-20-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2220-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2220-12-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2220-10-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2220-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2220-18-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2220-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2220-22-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-23-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB