Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 07:15

General

  • Target

    SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe

  • Size

    733KB

  • MD5

    dc6eeb8a60c63910ebb49ddab7f30a8e

  • SHA1

    b0283b4d95ea7350dd783122dde89d7a0e2f7a53

  • SHA256

    c6ae41874ccd5d6c3e6da49cae6d0a0e8eee20e7037896b38f1e4523dd9543c8

  • SHA512

    92c9eb81dc71faf780de23c7d4896ad6ad866997bce9202e359539add9ee36f626ac1bcb0707c0034dad6068a601bbac717457317151ae1762d04652027c28f4

  • SSDEEP

    12288:++40ntT5KXTXQQn32DwEi9evlPvsCuCHWSasra2Er0CxsMUYPLTd62+G1Lg:+UXKXTAPDwV8t3sCLWneTEgCWMr11L

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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iJAISuNbz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:316
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iJAISuNbz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC265.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3316
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.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:3328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    64a948b4b1d5e5302ac4303c25457574

    SHA1

    5fa5d2966ff00eee6a43e3509a5abf41708e686f

    SHA256

    3ac5158781454b0eba872ea026ccfefe305ac8b6bd8df475e20ae80f4b463863

    SHA512

    9bec08c4ebfeb2da125fd230490a72d86aa998539fec5897ebcd0fb6b2d42de12d3c6056456b64cd9a51223198a8988a0bc6465ee18124bf937ac818aa2fe9f0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ifi2zh5y.jv3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC265.tmp

    Filesize

    1KB

    MD5

    5dc6bd414099ee894ba2453479c3b324

    SHA1

    563bbc3acc38a2127d3861d025b72fa803954494

    SHA256

    f97a96d98d5ec4f2b25c7f891e7391a4a0be15e6ad18e0b841bd4f45716f6093

    SHA512

    f15635cf441424c684dfd76074cc878914ef02f568c9349ffe724f7c50cccac704fca0cbd2920238edd2950c72b43743cf22e7e5d648355bb6d591c3bbcdaf6f

  • memory/316-63-0x00000000717B0000-0x00000000717FC000-memory.dmp

    Filesize

    304KB

  • memory/316-74-0x0000000006C00000-0x0000000006CA3000-memory.dmp

    Filesize

    652KB

  • memory/316-81-0x0000000007170000-0x0000000007184000-memory.dmp

    Filesize

    80KB

  • memory/316-80-0x0000000007160000-0x000000000716E000-memory.dmp

    Filesize

    56KB

  • memory/316-79-0x0000000007130000-0x0000000007141000-memory.dmp

    Filesize

    68KB

  • memory/316-78-0x00000000071B0000-0x0000000007246000-memory.dmp

    Filesize

    600KB

  • memory/316-25-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/316-82-0x0000000007270000-0x000000000728A000-memory.dmp

    Filesize

    104KB

  • memory/316-52-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

    Filesize

    200KB

  • memory/316-24-0x00000000053D0000-0x0000000005436000-memory.dmp

    Filesize

    408KB

  • memory/316-83-0x0000000007250000-0x0000000007258000-memory.dmp

    Filesize

    32KB

  • memory/316-19-0x0000000004D30000-0x0000000005358000-memory.dmp

    Filesize

    6.2MB

  • memory/316-20-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/316-89-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/316-47-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/316-36-0x0000000005540000-0x0000000005894000-memory.dmp

    Filesize

    3.3MB

  • memory/2144-16-0x0000000002910000-0x0000000002946000-memory.dmp

    Filesize

    216KB

  • memory/2144-75-0x0000000007BA0000-0x000000000821A000-memory.dmp

    Filesize

    6.5MB

  • memory/2144-35-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2144-90-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2144-23-0x00000000052F0000-0x0000000005356000-memory.dmp

    Filesize

    408KB

  • memory/2144-18-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2144-77-0x00000000075C0000-0x00000000075CA000-memory.dmp

    Filesize

    40KB

  • memory/2144-76-0x0000000007550000-0x000000000756A000-memory.dmp

    Filesize

    104KB

  • memory/2144-50-0x0000000006230000-0x000000000624E000-memory.dmp

    Filesize

    120KB

  • memory/2144-51-0x00000000067D0000-0x000000000681C000-memory.dmp

    Filesize

    304KB

  • memory/2144-17-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2144-53-0x00000000717B0000-0x00000000717FC000-memory.dmp

    Filesize

    304KB

  • memory/2144-22-0x0000000005250000-0x0000000005272000-memory.dmp

    Filesize

    136KB

  • memory/2144-64-0x00000000067B0000-0x00000000067CE000-memory.dmp

    Filesize

    120KB

  • memory/3328-46-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3328-92-0x0000000006610000-0x0000000006660000-memory.dmp

    Filesize

    320KB

  • memory/3328-91-0x0000000006780000-0x0000000006942000-memory.dmp

    Filesize

    1.8MB

  • memory/4244-9-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4244-10-0x00000000029E0000-0x0000000002A64000-memory.dmp

    Filesize

    528KB

  • memory/4244-8-0x00000000751EE000-0x00000000751EF000-memory.dmp

    Filesize

    4KB

  • memory/4244-7-0x00000000056E0000-0x00000000056FE000-memory.dmp

    Filesize

    120KB

  • memory/4244-6-0x00000000067A0000-0x0000000006850000-memory.dmp

    Filesize

    704KB

  • memory/4244-5-0x0000000005300000-0x000000000530A000-memory.dmp

    Filesize

    40KB

  • memory/4244-4-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4244-3-0x0000000005150000-0x00000000051E2000-memory.dmp

    Filesize

    584KB

  • memory/4244-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

    Filesize

    5.6MB

  • memory/4244-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

    Filesize

    4KB

  • memory/4244-1-0x0000000000820000-0x00000000008DE000-memory.dmp

    Filesize

    760KB

  • memory/4244-49-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4244-11-0x000000000B1E0000-0x000000000B27C000-memory.dmp

    Filesize

    624KB