Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2024 01:53

General

  • Target

    6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe

  • Size

    784KB

  • MD5

    d5124313ebf51a883392d6171e9b7049

  • SHA1

    72c137198f1893be9f5a73a89967889895160117

  • SHA256

    6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4

  • SHA512

    dfda9be5f1641ab3567f483cb80d340fefa30ec893ba9af42d687726f8ef07d2ee7457ae45a10e3f6d087206693e01239f2c3ec3e9aaa23b9dab21f371c453fd

  • SSDEEP

    12288:I5gGipxkBKTBX7yFUJFLoEaOAUGsoj5eTZa86q+gdD3/86DtrmT9cPfRNLiyi7TH:5GiwB4NyF8olhRj5eKq+Y/gcHv+yIdv

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7500341588:AAHsqawFdC2urnq1E6blZy5E3r-OiJvH9ZA/sendMessage?chat_id=7267131103

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • VIPKeylogger

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

  • Vipkeylogger family
  • Loads dropped DLL 1 IoCs
  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 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 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe
    "C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe
      "C:\Users\Admin\AppData\Local\Temp\6aa4aecddd8e0ffc3b3cee5987c88d34eb7cb048cb5a42983b2b223875182bd4.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsh7FB0.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • memory/4284-40-0x00000000330D0000-0x000000003316C000-memory.dmp

    Filesize

    624KB

  • memory/4284-45-0x0000000036130000-0x000000003613A000-memory.dmp

    Filesize

    40KB

  • memory/4284-22-0x0000000077595000-0x0000000077596000-memory.dmp

    Filesize

    4KB

  • memory/4284-35-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/4284-44-0x0000000036060000-0x00000000360F2000-memory.dmp

    Filesize

    584KB

  • memory/4284-19-0x00000000016E0000-0x00000000026A3000-memory.dmp

    Filesize

    15.8MB

  • memory/4284-20-0x0000000077578000-0x0000000077579000-memory.dmp

    Filesize

    4KB

  • memory/4284-21-0x00000000016E0000-0x00000000026A3000-memory.dmp

    Filesize

    15.8MB

  • memory/4284-43-0x0000000035FB0000-0x0000000036000000-memory.dmp

    Filesize

    320KB

  • memory/4284-42-0x0000000035DE0000-0x0000000035FA2000-memory.dmp

    Filesize

    1.8MB

  • memory/4284-37-0x00000000774F1000-0x0000000077611000-memory.dmp

    Filesize

    1.1MB

  • memory/4284-36-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/4284-38-0x0000000000480000-0x00000000004C8000-memory.dmp

    Filesize

    288KB

  • memory/4284-39-0x0000000035430000-0x00000000359D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4956-14-0x0000000004200000-0x00000000051C3000-memory.dmp

    Filesize

    15.8MB

  • memory/4956-15-0x00000000774F1000-0x0000000077611000-memory.dmp

    Filesize

    1.1MB

  • memory/4956-17-0x0000000004200000-0x00000000051C3000-memory.dmp

    Filesize

    15.8MB

  • memory/4956-18-0x0000000004200000-0x00000000051C3000-memory.dmp

    Filesize

    15.8MB

  • memory/4956-16-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB