Analysis

  • max time kernel
    120s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 10:43

General

  • Target

    b19a7098f74ce79004ffd6a109302ef0.exe

  • Size

    736KB

  • MD5

    b19a7098f74ce79004ffd6a109302ef0

  • SHA1

    206ff16596fc022d321df2687440c7942a3c2d4c

  • SHA256

    1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2

  • SHA512

    913ee9f0949a89b1a62cf93d21fdfbd3127165a2ef6dc6dad5d098c3d772f3ab4f844523a103ef16aeedcb069f3fc154da7a355a8fc0b2f611978a50eb00a3d7

  • SSDEEP

    12288:zNYVYJdaCiBTiid+myis0hDE+iubk5NG4MXpnHXgYfzDDGl+9dVazSxC9C:i+FeTiid/xs8BiukN3MXpQKzDDGlnAR

Malware Config

Extracted

Family

vipkeylogger

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 3 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b19a7098f74ce79004ffd6a109302ef0.exe
    "C:\Users\Admin\AppData\Local\Temp\b19a7098f74ce79004ffd6a109302ef0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • 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\b19a7098f74ce79004ffd6a109302ef0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QGVhHsAOjb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2856
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QGVhHsAOjb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF1B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2844
    • C:\Users\Admin\AppData\Local\Temp\b19a7098f74ce79004ffd6a109302ef0.exe
      "C:\Users\Admin\AppData\Local\Temp\b19a7098f74ce79004ffd6a109302ef0.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBF1B.tmp

    Filesize

    1KB

    MD5

    3f041d277a71319d1b9d7b5eb3e3ecd6

    SHA1

    a2fb465569b136292a77cd070de7c6c6fab916a7

    SHA256

    8b69baa3bde010b27cecca218928c519003055de84f10c4a190f08bd1d8b66a3

    SHA512

    6b19943c54c3c2b5cb7235aececbd6b9058be707b6549ff6bf66d4b76655c8a2a2f2cbdec28e2403f0b6ee99ba20a7073b4837b3d0e121ddbba308b2062f61a3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    220647db7941d7950c727c31083a736d

    SHA1

    4af23d1c627a46e3fcf414e4863ac65a6727034f

    SHA256

    d56c4675aa9817b6b51fe178e8978905bd32f56840eebd7b164bd689da2884e8

    SHA512

    22c3400e92ea572220d0ac05256732df11c900f43d0f510fce54f690a1a14a93e45c9e2a090f3b5a2805f80324094b02f79fe0e9dace81b6fa475c0ce8f0c2f9

  • memory/1680-5-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-33-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-4-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/1680-0-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/1680-6-0x0000000000680000-0x000000000068E000-memory.dmp

    Filesize

    56KB

  • memory/1680-7-0x0000000000690000-0x00000000006A6000-memory.dmp

    Filesize

    88KB

  • memory/1680-8-0x0000000007EF0000-0x0000000007F7E000-memory.dmp

    Filesize

    568KB

  • memory/1680-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-1-0x0000000000B00000-0x0000000000BBE000-memory.dmp

    Filesize

    760KB

  • memory/1680-3-0x0000000000640000-0x0000000000658000-memory.dmp

    Filesize

    96KB

  • memory/2344-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2344-32-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2344-31-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2344-27-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2344-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2344-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2344-30-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2344-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB