Analysis

  • max time kernel
    136s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2024 06:58

General

  • Target

    REVISED INVOICE.exe

  • Size

    772KB

  • MD5

    76f0f7efa38fee04f22a3836c7f8f2d3

  • SHA1

    68bccecfc0128f4542ffc35aa4a4644c3f9fff0e

  • SHA256

    79d9270edbf86a9503b71bb27d04a88c1f8506fadad7b702adf97c5893f6cb14

  • SHA512

    9f71c798af7d25ebdf63d5a7987bca41ba2ff3eb379a70b971730c9291a4f44238c4b3f66f9d38968315581424e801a49e9f24df0e53ed94a62184553b36bf1c

  • SSDEEP

    12288:TlqG7jVsASFomUxB/U7UYyDD34kNn71L2PC2jxxjbaS47pxfd/TJQ8XV7XkR:b7RSOxP/JYy33Dpd2xv4VhfQ8lm

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 1 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 4 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JfOfGZQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3348
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JfOfGZQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC91C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:964
    • C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.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:4580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_guh0cy3c.qag.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC91C.tmp

    Filesize

    1KB

    MD5

    b15d1a9d3475c04f8f25ab3961ad83a0

    SHA1

    a95e8930e058999d4ad434e3febeac17283e117f

    SHA256

    49143e5efdb01124fc72e1de761f6c4a21abc907c871fb9347e342046a03618c

    SHA512

    984f337a2bb5e679c685adaa983f4f33969e77ca21f0e59addc26adee590eac63762480c61ac74c6c2197d1f631c3f0f1f291638a4ab1d8ef8d248d875615090

  • memory/1720-6-0x00000000059A0000-0x00000000059BE000-memory.dmp

    Filesize

    120KB

  • memory/1720-3-0x0000000005600000-0x0000000005692000-memory.dmp

    Filesize

    584KB

  • memory/1720-5-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1720-4-0x00000000055D0000-0x00000000055DA000-memory.dmp

    Filesize

    40KB

  • memory/1720-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

    Filesize

    5.6MB

  • memory/1720-7-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/1720-8-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1720-9-0x0000000001690000-0x000000000171C000-memory.dmp

    Filesize

    560KB

  • memory/1720-10-0x0000000006AA0000-0x0000000006B3C000-memory.dmp

    Filesize

    624KB

  • memory/1720-0-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/1720-37-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1720-1-0x0000000000B10000-0x0000000000BD2000-memory.dmp

    Filesize

    776KB

  • memory/3348-55-0x0000000007650000-0x000000000765A000-memory.dmp

    Filesize

    40KB

  • memory/3348-58-0x0000000007810000-0x000000000781E000-memory.dmp

    Filesize

    56KB

  • memory/3348-20-0x00000000052E0000-0x0000000005302000-memory.dmp

    Filesize

    136KB

  • memory/3348-22-0x0000000005C70000-0x0000000005CD6000-memory.dmp

    Filesize

    408KB

  • memory/3348-23-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-18-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-64-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-30-0x0000000005CE0000-0x0000000006034000-memory.dmp

    Filesize

    3.3MB

  • memory/3348-61-0x0000000007900000-0x0000000007908000-memory.dmp

    Filesize

    32KB

  • memory/3348-16-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-21-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/3348-38-0x00000000062C0000-0x00000000062DE000-memory.dmp

    Filesize

    120KB

  • memory/3348-39-0x0000000006390000-0x00000000063DC000-memory.dmp

    Filesize

    304KB

  • memory/3348-41-0x0000000074E90000-0x0000000074EDC000-memory.dmp

    Filesize

    304KB

  • memory/3348-40-0x0000000006880000-0x00000000068B2000-memory.dmp

    Filesize

    200KB

  • memory/3348-51-0x0000000006860000-0x000000000687E000-memory.dmp

    Filesize

    120KB

  • memory/3348-52-0x00000000074D0000-0x0000000007573000-memory.dmp

    Filesize

    652KB

  • memory/3348-53-0x0000000007C20000-0x000000000829A000-memory.dmp

    Filesize

    6.5MB

  • memory/3348-54-0x00000000075E0000-0x00000000075FA000-memory.dmp

    Filesize

    104KB

  • memory/3348-15-0x00000000029D0000-0x0000000002A06000-memory.dmp

    Filesize

    216KB

  • memory/3348-56-0x0000000007860000-0x00000000078F6000-memory.dmp

    Filesize

    600KB

  • memory/3348-57-0x00000000077E0000-0x00000000077F1000-memory.dmp

    Filesize

    68KB

  • memory/3348-17-0x00000000055D0000-0x0000000005BF8000-memory.dmp

    Filesize

    6.2MB

  • memory/3348-59-0x0000000007820000-0x0000000007834000-memory.dmp

    Filesize

    80KB

  • memory/3348-60-0x0000000007920000-0x000000000793A000-memory.dmp

    Filesize

    104KB

  • memory/4580-36-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4580-65-0x0000000006A10000-0x0000000006BD2000-memory.dmp

    Filesize

    1.8MB

  • memory/4580-66-0x00000000068B0000-0x0000000006900000-memory.dmp

    Filesize

    320KB

  • memory/4580-67-0x0000000074630000-0x0000000074DE0000-memory.dmp

    Filesize

    7.7MB