Analysis

  • max time kernel
    147s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 13:41

General

  • Target

    244625296-045056-sanlccjavap0003-9265.exe

  • Size

    431KB

  • MD5

    d69326f0086f5a1915e317d460851185

  • SHA1

    da4889b4a866fccf18cc4d580995d4e491459207

  • SHA256

    ce7202372e7e915e6cf9fb52e1ffe3083602f3a9b761f1d4b9e6045eabe065c1

  • SHA512

    f559b5584bccd64ee5784b3016b113f99f588be71ac19fc4adac850b993240d7596c91d3e85bc50a5290dd76ac3db3df7911d608f3c678ac4188db9c9b4757a5

  • SSDEEP

    12288:bchSe04fsdrsdA6zKY/h1kMPJIN5yUBowyx9fag6vB:bqSe04s+61Y/LkMRSwgoxyrvB

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6478451606:AAFbKLDgEUUeIzZ7hQq9aJhHVTZpkPUZ2-Y/sendMessage?chat_id=6755467222

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 2 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
  • 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\244625296-045056-sanlccjavap0003-9265.exe
    "C:\Users\Admin\AppData\Local\Temp\244625296-045056-sanlccjavap0003-9265.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3796
    • C:\Users\Admin\AppData\Local\Temp\244625296-045056-sanlccjavap0003-9265.exe
      "C:\Users\Admin\AppData\Local\Temp\244625296-045056-sanlccjavap0003-9265.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:4748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsnA6D0.tmp\System.dll

    Filesize

    11KB

    MD5

    17ed1c86bd67e78ade4712be48a7d2bd

    SHA1

    1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    SHA256

    bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    SHA512

    0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

  • memory/3796-12-0x0000000004380000-0x0000000006934000-memory.dmp

    Filesize

    37.7MB

  • memory/3796-13-0x00000000770F1000-0x0000000077211000-memory.dmp

    Filesize

    1.1MB

  • memory/3796-14-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/3796-15-0x0000000004380000-0x0000000006934000-memory.dmp

    Filesize

    37.7MB

  • memory/4748-16-0x00000000016C0000-0x0000000003C74000-memory.dmp

    Filesize

    37.7MB

  • memory/4748-29-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4748-31-0x0000000000460000-0x00000000004AA000-memory.dmp

    Filesize

    296KB

  • memory/4748-32-0x00000000016C0000-0x0000000003C74000-memory.dmp

    Filesize

    37.7MB

  • memory/4748-33-0x0000000036AD0000-0x0000000037074000-memory.dmp

    Filesize

    5.6MB

  • memory/4748-34-0x0000000036970000-0x0000000036A0C000-memory.dmp

    Filesize

    624KB

  • memory/4748-36-0x00000000375C0000-0x0000000037782000-memory.dmp

    Filesize

    1.8MB

  • memory/4748-37-0x0000000037180000-0x00000000371D0000-memory.dmp

    Filesize

    320KB

  • memory/4748-38-0x0000000037790000-0x0000000037CBC000-memory.dmp

    Filesize

    5.2MB

  • memory/4748-41-0x0000000034310000-0x00000000343A2000-memory.dmp

    Filesize

    584KB

  • memory/4748-42-0x00000000343D0000-0x00000000343DA000-memory.dmp

    Filesize

    40KB