Analysis

  • max time kernel
    117s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 03:00

General

  • Target

    78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe

  • Size

    859KB

  • MD5

    851e7869e5438362cd42a2ee85a75d31

  • SHA1

    1af1d8cd2a9be17e6c8404034d43018704aad87e

  • SHA256

    78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b

  • SHA512

    ab05303a50e663b507358eb61e74ee09dd6127a6287f1d66a1954ab6312b3a04d5a1a36dc421f1e771b456d544e5e3f9f92213ad1b828e820da570a9a238f894

  • SSDEEP

    24576:G1E1FidojNJ+fQhsTlGrddL8x/LpuOu5pjK/OMZ:G1E1Fi+v7Lrm/y5N

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe
    "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • 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\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IozAFiLzFrQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:336
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IozAFiLzFrQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D28.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2536
    • C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.exe
      "C:\Users\Admin\AppData\Local\Temp\78c64fae4e08a3d998cdc688338437dff344b49e9a8509116640dabbd156299b.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:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2D28.tmp

    Filesize

    1KB

    MD5

    fbfaaa0a0cfab8d6fce79d25e27de5e5

    SHA1

    35c13bf93318df725cb9310dd8c2bd9d8b2a3e53

    SHA256

    5d12bc9699cf9d309b6ee676d721f530a1f11d1b48a493690cf945fdebdf4a06

    SHA512

    1a25e9a757bc95478e1e2ac367f01add893ebebfa96e468854a4f6e37b6d0730dcb8c11e1817420119d9eac2d333b30046216d5b1584bebe3bb1f82ac1f3fbce

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\F1KHPFHVX87EFBNYN3TZ.temp

    Filesize

    7KB

    MD5

    a8dd27d4afe9bb498c43415bd6522065

    SHA1

    10a38c6c5a5aa55c9a1ea9e9c28ea7aa380f5f9d

    SHA256

    54dafa7444526c2f06d6a91b41990ae9b3e11c69dd9958318fa4cff11bdca7c4

    SHA512

    5dc54f161b0d4d7b023dd8962222d6fd586c3587aff0937f3ff8fd994b6489ad233e8ede08e4375f9c16db711c49be78150428cbca56127d1fe2630b0c1718df

  • memory/2676-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2676-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2676-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2676-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2676-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2676-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2676-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2676-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2980-6-0x00000000004C0000-0x000000000054C000-memory.dmp

    Filesize

    560KB

  • memory/2980-1-0x0000000000EC0000-0x0000000000F9C000-memory.dmp

    Filesize

    880KB

  • memory/2980-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/2980-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2980-3-0x0000000000560000-0x000000000057C000-memory.dmp

    Filesize

    112KB

  • memory/2980-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2980-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/2980-31-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB