Analysis

  • max time kernel
    110s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 15:43

General

  • Target

    22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe

  • Size

    518KB

  • MD5

    1aae6cc268c7e5f7b4ef8ecf7848ae00

  • SHA1

    1f51f30718cd77bb2bf3f5588048cd84b45acda8

  • SHA256

    22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63

  • SHA512

    84085771b2ab9b45f2a69f8841184a79aad80c708d6b4ce9b336b27a67195cc11aca57fd50752a3cfbc17bc194ade58fbb93598928e77b503ab31c1733d60fc6

  • SSDEEP

    12288:XRV78hkvtMm2pbzH3lzmBI9jD9Bu3faTXXeU:I+vthovMO9jhBsiTXX5

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.

  • 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
  • Drops file in Windows directory 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\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe
    "C:\Users\Admin\AppData\Local\Temp\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Users\Admin\AppData\Local\Temp\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe
      "C:\Users\Admin\AppData\Local\Temp\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.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:3252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsaA0C6.tmp\System.dll

    Filesize

    11KB

    MD5

    3e6bf00b3ac976122f982ae2aadb1c51

    SHA1

    caab188f7fdc84d3fdcb2922edeeb5ed576bd31d

    SHA256

    4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe

    SHA512

    1286f05e6a7e6b691f6e479638e7179897598e171b52eb3a3dc0e830415251069d29416b6d1ffc6d7dce8da5625e1479be06db9b7179e7776659c5c1ad6aa706

  • C:\Users\Admin\subacidity.lnk

    Filesize

    916B

    MD5

    ca8664811ed0dcab766f92f4882a21b0

    SHA1

    bf4d4b753bd40645e37a3651f31c229e0a65e307

    SHA256

    093b5158f9d78868f87889189facf1062fa3e30c98d7fa6124474388e328d7af

    SHA512

    89e739e7d9d6d125b430c681ee21b19aa1c72bc4b596493d9185516f34d09a0bfc693fb98af81741ed92ffabe2b0f23e999a336aa82bff27d77a82c80714671a

  • memory/3252-51-0x0000000072B1E000-0x0000000072B1F000-memory.dmp

    Filesize

    4KB

  • memory/3252-52-0x0000000000460000-0x00000000004A8000-memory.dmp

    Filesize

    288KB

  • memory/3252-33-0x0000000077C21000-0x0000000077D41000-memory.dmp

    Filesize

    1.1MB

  • memory/3252-34-0x0000000077CA8000-0x0000000077CA9000-memory.dmp

    Filesize

    4KB

  • memory/3252-35-0x0000000077CC5000-0x0000000077CC6000-memory.dmp

    Filesize

    4KB

  • memory/3252-48-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/3252-50-0x0000000077C21000-0x0000000077D41000-memory.dmp

    Filesize

    1.1MB

  • memory/3252-49-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/3252-63-0x000000003AC50000-0x000000003AC5A000-memory.dmp

    Filesize

    40KB

  • memory/3252-62-0x000000003AB60000-0x000000003ABF2000-memory.dmp

    Filesize

    584KB

  • memory/3252-53-0x0000000039F10000-0x000000003A4B4000-memory.dmp

    Filesize

    5.6MB

  • memory/3252-54-0x0000000037C10000-0x0000000037CAC000-memory.dmp

    Filesize

    624KB

  • memory/3252-55-0x0000000072B10000-0x00000000732C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3252-57-0x0000000072B1E000-0x0000000072B1F000-memory.dmp

    Filesize

    4KB

  • memory/3252-58-0x000000003A990000-0x000000003AB52000-memory.dmp

    Filesize

    1.8MB

  • memory/3252-59-0x0000000039EB0000-0x0000000039F00000-memory.dmp

    Filesize

    320KB

  • memory/3252-60-0x0000000072B10000-0x00000000732C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-32-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/3644-31-0x0000000077C21000-0x0000000077D41000-memory.dmp

    Filesize

    1.1MB