Analysis

  • max time kernel
    150s
  • 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
    30/10/2024, 02:45

General

  • Target

    72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad.exe

  • Size

    1.5MB

  • MD5

    e9698d7f3a85335c8610cde2fecc54e8

  • SHA1

    fbc277222d6971e42acaf87975b7b565b9b63a9e

  • SHA256

    72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad

  • SHA512

    d71038e7356636efa5b3691ea66e6f74cf5749720bb0a7a009f4487dada8a9e679865ab2e263de2cf91e0af6a006d3af904a1bbb958715ec00cde98c2c48335d

  • SSDEEP

    24576:K5xolYQY6afmMv6Ckr7Mny5QLvmVib5B6lhswkKa59PK01LnRiaZ:dY53v+7/5QLvmG6lh8KmrLf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tlakovec.si
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @nartsantelps

Extracted

Family

vipkeylogger

Credentials

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • VIPKeylogger

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

  • Vipkeylogger family
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 6 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 4 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 6 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 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad.exe
    "C:\Users\Admin\AppData\Local\Temp\72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4104
    • \??\c:\users\admin\appdata\local\temp\72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad.exe 
      c:\users\admin\appdata\local\temp\72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad.exe 
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        c:\users\admin\appdata\local\temp\72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad.exe 
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4528
    • C:\Users\Admin\AppData\Local\icsys.icn.exe
      C:\Users\Admin\AppData\Local\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4916
      • \??\c:\windows\system\explorer.exe
        c:\windows\system\explorer.exe
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visiblity of hidden/system files in Explorer
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4412
        • \??\c:\windows\system\spoolsv.exe
          c:\windows\system\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4072
          • \??\c:\windows\system\svchost.exe
            c:\windows\system\svchost.exe
            5⤵
            • Modifies WinLogon for persistence
            • Modifies visiblity of hidden/system files in Explorer
            • Boot or Logon Autostart Execution: Active Setup
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:896
            • \??\c:\windows\system\spoolsv.exe
              c:\windows\system\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:1636
            • C:\Windows\SysWOW64\at.exe
              at 02:47 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              6⤵
              • System Location Discovery: System Language Discovery
              PID:4540
            • C:\Windows\SysWOW64\at.exe
              at 02:48 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1608
            • C:\Windows\SysWOW64\at.exe
              at 02:49 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
              6⤵
              • System Location Discovery: System Language Discovery
              PID:64

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\72292a987383f0079a0a846bae4ee6345f008f991a50f5f6d7fed2cad91339ad.exe 

    Filesize

    1.2MB

    MD5

    6a6157cd22cd9558f8579c30632e62c1

    SHA1

    7451d8e77a65ff7e9ddebdf73183cbd684d3fdfd

    SHA256

    c3e272af01d2b5739d8f91ce17d80e13818a59fe50f5545d09fea9a669520667

    SHA512

    4e41562a7279af1b4b4a0513b4f75965f04729fc3d6d71a9c74634a24257143bee308c942abb3e5de5b29bdafde86ccfac5f906f1c26b4a0b40c54b0fe47fa3a

  • C:\Users\Admin\AppData\Local\icsys.icn.exe

    Filesize

    274KB

    MD5

    30957be4d1d5957a9d6433367cef30ef

    SHA1

    df2d8a795bd221d77b0bc167d05203ab6b6b2fca

    SHA256

    cedcf4e2ffc34660e6e4bdd8e3cab70b2c805704ceb302f29e3b5a3c4e6eac5c

    SHA512

    36382e3597704764ae1300ca3c857b50f2fabe7f557c36240206749dfa89fb435f313511d72d5ded60db9b38237f0d983f0af78f3440ac7dfaa7014e3085e161

  • C:\Users\Admin\AppData\Roaming\mrsys.exe

    Filesize

    274KB

    MD5

    02a74b5275541136031a6816a83c4c5d

    SHA1

    daaa3ccc998ccc19f4e4abdbafb86a66d8997f9a

    SHA256

    350e2aaabc35c8095d7babbf3bfeedc7aa411103de0bf30f86d7055c79bf73e2

    SHA512

    1146f2412a9926e0c839ae104bb40c5c92b6d84b5659063daa3861c7ee725e839ab2da7f239fba97982e46b55215f16bd57f39ad5e1cdfeccac73cdb51d2e17d

  • \??\c:\windows\system\explorer.exe

    Filesize

    274KB

    MD5

    bab42f83cdcf8100708a37e628c3303f

    SHA1

    c62dc588404ebdfd557de11992ad270969e04693

    SHA256

    19df062e705bdc3dbf701586f02b167e954be72e7b170434c4c65c06cb77a937

    SHA512

    1a8549ba54de09ede9f8ba114e5ed5a766f9b82b8a5764313dbd199346f2fd95990688367d0f14687f4d1f638eb37f4307e3a911e01ab7ddfc24842538f2e8b7

  • \??\c:\windows\system\spoolsv.exe

    Filesize

    274KB

    MD5

    ee2eb104663495e67b2a0c44e409550c

    SHA1

    7de609a8414cf0bd692ef8971f45a2e67b478e96

    SHA256

    2ca513358a1693ff2b49242740b21da5a60e84903669d1edb16e19304ade48a8

    SHA512

    730661ce86d4c4eaff18c274ef4aaaea4bb770916afa93831fe02e323246865952a34648fe8e67f515e27b862c908f51e400ce465ca617bf25d258d9c0eb2f7d

  • \??\c:\windows\system\svchost.exe

    Filesize

    274KB

    MD5

    73d723cb84bb65f5b3c0313f5059ec04

    SHA1

    fad342df6eae24870439670b241257e49b4e02d5

    SHA256

    03c2a49776e6c6df7a10e0a091d396b201e21b4023627dce285d73466189e5a4

    SHA512

    e893272ced1f5b4c1af5ad9f6d5dd0c63230f2ba2861c5450834ef897f928e0c54eb57108bb6aa8d3eb4c32017d991e4c93bd6b674e9c5d680a505b1b26aac81

  • memory/896-62-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1636-45-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4072-48-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4104-50-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4104-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4412-61-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4412-21-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4528-53-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/4528-54-0x00000000058E0000-0x0000000005E84000-memory.dmp

    Filesize

    5.6MB

  • memory/4528-55-0x00000000053D0000-0x000000000546C000-memory.dmp

    Filesize

    624KB

  • memory/4528-56-0x00000000066A0000-0x0000000006862000-memory.dmp

    Filesize

    1.8MB

  • memory/4528-57-0x0000000006520000-0x0000000006570000-memory.dmp

    Filesize

    320KB

  • memory/4528-58-0x0000000006DA0000-0x00000000072CC000-memory.dmp

    Filesize

    5.2MB

  • memory/4528-59-0x0000000006870000-0x0000000006902000-memory.dmp

    Filesize

    584KB

  • memory/4528-60-0x0000000006A00000-0x0000000006A0A000-memory.dmp

    Filesize

    40KB

  • memory/4916-49-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB