Analysis

  • max time kernel
    120s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 05:47

General

  • Target

    NEW PO - 4067543012.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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • 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\NEW PO - 4067543012.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2792
    • 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:476
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sYpAHmjKhppP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpECA0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2816
    • C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW PO - 4067543012.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:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpECA0.tmp

    Filesize

    1KB

    MD5

    3344c8036a1cf194fac069c74fc03f0a

    SHA1

    dfa6bfb9151fe2df2318ed5157dd75640d969514

    SHA256

    af7a4f64e8bff6f00ba9fd8d9334d89c5ec0aab913debcbac5eb866d08d53af9

    SHA512

    ce19de96eb0593c61db28fea3585444d6ceee362cfbce56af97abf885c96f787688d4881eda8bff892c6e8d794fbdb0470313210e822ddfbf444facde51f153e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZGJL2FRFJV2PI9O8O48Z.temp

    Filesize

    7KB

    MD5

    8e079156bf4a02363d3ba7583b56d690

    SHA1

    1231a5aa098f54b38ace6895133f693646c2b061

    SHA256

    8f54d718b0e12c5a5b631b2f6ebca57b80ca19828985e099f78ef3fa876bfc2c

    SHA512

    0c411597c036fa1f52fabaf91ec4ce7842d892d29addc2c75353d316488e4ed7fde5316ec0704c9b6f3820d940c3c56be79c3e2657e1c8a8762f6d60d22601f7

  • memory/2384-4-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

    Filesize

    4KB

  • memory/2384-31-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-0-0x0000000073F8E000-0x0000000073F8F000-memory.dmp

    Filesize

    4KB

  • memory/2384-5-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-6-0x0000000005CF0000-0x0000000005D7A000-memory.dmp

    Filesize

    552KB

  • memory/2384-2-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/2384-1-0x0000000000EC0000-0x0000000000F9C000-memory.dmp

    Filesize

    880KB

  • memory/2384-3-0x00000000003B0000-0x00000000003BE000-memory.dmp

    Filesize

    56KB

  • memory/2640-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2640-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2640-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2640-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2640-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2640-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2640-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2640-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB