Analysis

  • max time kernel
    99s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2025, 11:01

General

  • Target

    malware.exe

  • Size

    659KB

  • MD5

    37d6eb581b7ee935d965b21a56949a37

  • SHA1

    0f66f5e6adfe6a24c1dba303d7eef831bfac62df

  • SHA256

    0003cf72e0eda9f0e4b36d4fdb7017c9d56260f37b8f0e114a9cadb0a57b9ce4

  • SHA512

    877bad1a2dacc5149c9767dd0bffada4460032d2b76eb7ded1de5a7422a74b6aec29d47dbe155d9a39eae7819e23a086fb1474bf0fdb94be5cf518d027a7844c

  • SSDEEP

    12288:jY7kv5NH+x4KbZO0EZImx/dkQXqzr7QfHIapF+xgWfecd0+AjlwXzGTNej3UF+gX:jYo5NHcFy/dkkOXQfoe+LGcVqLAg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    (lqKKXb5

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 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 16 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\malware.exe
    "C:\Users\Admin\AppData\Local\Temp\malware.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2576
    • 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\malware.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lLbTQiluwC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lLbTQiluwC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D41.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2760
    • C:\Users\Admin\AppData\Local\Temp\malware.exe
      "C:\Users\Admin\AppData\Local\Temp\malware.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:832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1D41.tmp

    Filesize

    1KB

    MD5

    95e518251e42561d88edc7c8caf17b92

    SHA1

    485563a0b829723c9e063fe602f07219f13e0316

    SHA256

    9287fcb89b7a95d2b25e0ea3a0c91fce6490c91595538e2ef971f757f5997cb7

    SHA512

    d02e100ca7124fcbe97e01372c01883932786c44e6d8082de45eeeadb732b1f3365a3a6d17ee4666ec4431e47d940f025b7cebf9a2d9a632d34b5462e2f1fd74

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2SWSX1ICSSTVO0TWGSTM.temp

    Filesize

    7KB

    MD5

    2c8f8a42327bb1ca41f3c030683d997c

    SHA1

    455e900134b73ca6fd26172e826a6c91a1126742

    SHA256

    145a095f6caecf10b2bf67e22782a7c982c7d6d9d27a03520f85a62448ca3890

    SHA512

    711433988b59b88466284932a183bac553e6762b9d9ebc9f299b52cd24699e7014e284b45f90669510049625f10fd5ae85890b8c240c4ee0dec1c4b25dd6dbd1

  • memory/832-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/832-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/832-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/832-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/832-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/832-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/832-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/832-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2576-6-0x0000000005C90000-0x0000000005D1C000-memory.dmp

    Filesize

    560KB

  • memory/2576-1-0x0000000001350000-0x00000000013FA000-memory.dmp

    Filesize

    680KB

  • memory/2576-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

    Filesize

    4KB

  • memory/2576-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2576-3-0x0000000000540000-0x0000000000550000-memory.dmp

    Filesize

    64KB

  • memory/2576-5-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2576-4-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

    Filesize

    4KB

  • memory/2576-31-0x0000000074B10000-0x00000000751FE000-memory.dmp

    Filesize

    6.9MB