Analysis

  • max time kernel
    149s
  • 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
    25-09-2024 02:31

General

  • Target

    cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe

  • Size

    854KB

  • MD5

    b15b83f0aca6375277cfd79c3ab96fa1

  • SHA1

    87ef96c2bd2245075082fe695eb164443eff637a

  • SHA256

    cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886

  • SHA512

    38cd17a629867290c2a4305520148be0b742c81256264abd552db1a64318e291bc9a61eb4f06e7c70f5984a4ea4db5f528726684b497a7125304be224a53219a

  • SSDEEP

    24576:yeq3Zk1T8Fvg3K13rxlmGi+z/3hj+ZqVF4+0cD0aWLlYjHDboU:51IF4erVi8fFZpDbWLlYznf

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\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe
    "C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1452
    • 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\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sYpAHmjKhppP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3684
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sYpAHmjKhppP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAB5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:452
    • C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.exe
      "C:\Users\Admin\AppData\Local\Temp\cea7e7e11c4340ef167fa673fd12625b48dc1bd5a6b34653f4986b92659a9886.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:4704

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

    0205b89bb218099ccdc0c26140423f7c

    SHA1

    d4f3c7219d76e1497ffaa5235c66cf08c6cecabf

    SHA256

    9bbc78c69648c4dc1695b0526b3bb55a6033cdc75d55e027ec0c97c5e8a0c6de

    SHA512

    0b47c2ac423c921a55c335ef16c377497a3843c321e64f81592d17c4ffdbcfb5c7e025a64aaec9cd57e38211c78a9b0d103f45111f7b86bcec6bb0b18ec9df84

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qtsg2q0w.mrg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpBAB5.tmp

    Filesize

    1KB

    MD5

    31b8c8638b13bf00b8efd40c932976e8

    SHA1

    dbdd6080ffb51edd5fadac9c26dbc97dce54a96a

    SHA256

    04fae83ab115f6a1ecc509ba6010fda9ca2b61949c55bb8153db67c64474c3f6

    SHA512

    3f105d574ffed23027dc86a8d9129484c466af7d347058d35d1dcb289eb87250e24b694bbd2fd8ad0857a2b8353360405fae2440177248372eec58c1846e21f2

  • memory/1452-4-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1452-5-0x0000000004C10000-0x0000000004C1A000-memory.dmp

    Filesize

    40KB

  • memory/1452-6-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

    Filesize

    624KB

  • memory/1452-7-0x0000000004EA0000-0x0000000004EAE000-memory.dmp

    Filesize

    56KB

  • memory/1452-8-0x000000007444E000-0x000000007444F000-memory.dmp

    Filesize

    4KB

  • memory/1452-9-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1452-10-0x0000000007890000-0x000000000791A000-memory.dmp

    Filesize

    552KB

  • memory/1452-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

    Filesize

    584KB

  • memory/1452-2-0x0000000005130000-0x00000000056D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1452-0-0x000000007444E000-0x000000007444F000-memory.dmp

    Filesize

    4KB

  • memory/1452-50-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1452-1-0x0000000000130000-0x000000000020C000-memory.dmp

    Filesize

    880KB

  • memory/3684-76-0x0000000007020000-0x000000000702A000-memory.dmp

    Filesize

    40KB

  • memory/3684-81-0x00000000072F0000-0x000000000730A000-memory.dmp

    Filesize

    104KB

  • memory/3684-89-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-25-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-82-0x00000000072D0000-0x00000000072D8000-memory.dmp

    Filesize

    32KB

  • memory/3684-26-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-20-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3684-22-0x0000000004CE0000-0x0000000004D02000-memory.dmp

    Filesize

    136KB

  • memory/3684-41-0x0000000005670000-0x00000000059C4000-memory.dmp

    Filesize

    3.3MB

  • memory/3684-79-0x00000000071E0000-0x00000000071EE000-memory.dmp

    Filesize

    56KB

  • memory/3684-48-0x0000000005C90000-0x0000000005CAE000-memory.dmp

    Filesize

    120KB

  • memory/3684-49-0x0000000005D20000-0x0000000005D6C000-memory.dmp

    Filesize

    304KB

  • memory/3684-78-0x00000000071B0000-0x00000000071C1000-memory.dmp

    Filesize

    68KB

  • memory/3684-77-0x0000000007230000-0x00000000072C6000-memory.dmp

    Filesize

    600KB

  • memory/3684-71-0x0000000006C50000-0x0000000006C6E000-memory.dmp

    Filesize

    120KB

  • memory/3684-52-0x000000006F1C0000-0x000000006F20C000-memory.dmp

    Filesize

    304KB

  • memory/3684-51-0x0000000006250000-0x0000000006282000-memory.dmp

    Filesize

    200KB

  • memory/3684-73-0x0000000006E70000-0x0000000006F13000-memory.dmp

    Filesize

    652KB

  • memory/3684-74-0x00000000075F0000-0x0000000007C6A000-memory.dmp

    Filesize

    6.5MB

  • memory/3684-75-0x0000000006FB0000-0x0000000006FCA000-memory.dmp

    Filesize

    104KB

  • memory/3840-15-0x0000000004DF0000-0x0000000004E26000-memory.dmp

    Filesize

    216KB

  • memory/3840-62-0x000000006F1C0000-0x000000006F20C000-memory.dmp

    Filesize

    304KB

  • memory/3840-18-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-80-0x00000000078E0000-0x00000000078F4000-memory.dmp

    Filesize

    80KB

  • memory/3840-24-0x0000000005D10000-0x0000000005D76000-memory.dmp

    Filesize

    408KB

  • memory/3840-19-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-16-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-88-0x0000000074440000-0x0000000074BF0000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-17-0x00000000055E0000-0x0000000005C08000-memory.dmp

    Filesize

    6.2MB

  • memory/3840-23-0x0000000005340000-0x00000000053A6000-memory.dmp

    Filesize

    408KB

  • memory/4704-46-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4704-90-0x0000000006AE0000-0x0000000006CA2000-memory.dmp

    Filesize

    1.8MB

  • memory/4704-91-0x0000000006980000-0x00000000069D0000-memory.dmp

    Filesize

    320KB