Analysis

  • max time kernel
    93s
  • 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
    10-12-2024 03:12

General

  • Target

    9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe

  • Size

    693KB

  • MD5

    950c269ffc596bb167ba627631af0f50

  • SHA1

    f784fd1a3a31f92091927fac47f2835475ad8002

  • SHA256

    9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc

  • SHA512

    859b526215512aec5710b40b7a7f85da19d912705639652e9048b9ac35e5fe8cbc87e4a91e6fd3bc576d1ca7838167f3887aaebdb2a8668a305dde4404de7f7b

  • SSDEEP

    12288:v63HI6tYy3xQkAJDIAMVFkVsnnT13XsZ18iN8IQauhfgERtyz/bwkF9Sk+fmzWbd:v0HI4YyakAo+sJX0RNbGFiz/bN/Sk+fR

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
  • 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 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.

  • Program crash 1 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe
    "C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe
      "C:\Users\Admin\AppData\Local\Temp\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.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:3580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 1804
        3⤵
        • Program crash
        PID:5016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3580 -ip 3580
    1⤵
      PID:2216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9af845b97c1682091cfafe6b2186821883bd912cc3113e4dfafb0ca0f72206cc.exe.log

      Filesize

      1KB

      MD5

      7ef67a0a2b1e31df887adcdaf86e4bbd

      SHA1

      348aad52be33f1a0c477e2ace332ecf91bb0e1a8

      SHA256

      af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

      SHA512

      4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

    • memory/3580-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3580-19-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/3580-18-0x0000000006950000-0x00000000069A0000-memory.dmp

      Filesize

      320KB

    • memory/3580-17-0x0000000006AD0000-0x0000000006C92000-memory.dmp

      Filesize

      1.8MB

    • memory/3580-16-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/3580-14-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4440-4-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

      Filesize

      624KB

    • memory/4440-8-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

      Filesize

      4KB

    • memory/4440-9-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4440-10-0x00000000087F0000-0x000000000887E000-memory.dmp

      Filesize

      568KB

    • memory/4440-7-0x0000000005F90000-0x0000000005FA2000-memory.dmp

      Filesize

      72KB

    • memory/4440-6-0x00000000059D0000-0x00000000059DA000-memory.dmp

      Filesize

      40KB

    • memory/4440-5-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4440-15-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4440-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

      Filesize

      4KB

    • memory/4440-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

      Filesize

      584KB

    • memory/4440-2-0x0000000005FB0000-0x0000000006554000-memory.dmp

      Filesize

      5.6MB

    • memory/4440-1-0x0000000000F10000-0x0000000000FC2000-memory.dmp

      Filesize

      712KB