Analysis

  • max time kernel
    120s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 16:36

General

  • Target

    Todas las facturas.exe

  • Size

    744KB

  • MD5

    169fb424223fb55b4b8383d48cdf79c6

  • SHA1

    0e3397da0b40a864a2100fbcbb919491ae5c2407

  • SHA256

    1d21c6206cdf72e796c32a7a747a5af0bcea50f89438a211c2b8d6814593e5dd

  • SHA512

    76139a52bbc5e9b4f2f12571c578666aa46edac240be3d8b9ec928d5287928e42373c710cd52592f84ba22cd2439d179bc0a8c3342135d6d7629228bfc60e478

  • SSDEEP

    12288:oMTOrpqgjy1Euu5XPPA3GdPbFAcJx1/A3R1LcUzg4zYKxYSq/er/3t0EPVMQ:Ipv21EDfq8PbqC/AB1L1rxYLU/3t0g1

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.

  • 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 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Todas las facturas.exe
    "C:\Users\Admin\AppData\Local\Temp\Todas las facturas.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:4980
    • 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\Todas las facturas.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4300
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HDhsWiNna.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:224
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDhsWiNna" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE0EA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4416
    • C:\Users\Admin\AppData\Local\Temp\Todas las facturas.exe
      "C:\Users\Admin\AppData\Local\Temp\Todas las facturas.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:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjsxxoue.okx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE0EA.tmp

    Filesize

    1KB

    MD5

    56e3e7df6022825e6ea33abe5625e6c4

    SHA1

    c9708b0da59a02a273387b7b183e325f5d6c0a10

    SHA256

    856998715ef6c84d98b02efcbe95fdb7eefe75bc859e776ca2704f428391f8a9

    SHA512

    148c1c827b53f7fda81556d5320adffd59a95fd180ae1bc52081f93427a6e32d91a4d7201c8d9ee60bb92a69974cd9b803b92c86881c711ec63cae37d736322b

  • memory/224-75-0x00000000070B0000-0x00000000070BA000-memory.dmp

    Filesize

    40KB

  • memory/224-79-0x0000000007280000-0x0000000007294000-memory.dmp

    Filesize

    80KB

  • memory/224-78-0x0000000007270000-0x000000000727E000-memory.dmp

    Filesize

    56KB

  • memory/224-76-0x00000000072C0000-0x0000000007356000-memory.dmp

    Filesize

    600KB

  • memory/224-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/224-73-0x0000000007680000-0x0000000007CFA000-memory.dmp

    Filesize

    6.5MB

  • memory/224-74-0x0000000007040000-0x000000000705A000-memory.dmp

    Filesize

    104KB

  • memory/224-63-0x0000000071630000-0x000000007167C000-memory.dmp

    Filesize

    304KB

  • memory/224-28-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/224-80-0x0000000007380000-0x000000000739A000-memory.dmp

    Filesize

    104KB

  • memory/224-85-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/224-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/2896-44-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2896-87-0x00000000068E0000-0x0000000006930000-memory.dmp

    Filesize

    320KB

  • memory/2896-86-0x0000000006A60000-0x0000000006C22000-memory.dmp

    Filesize

    1.8MB

  • memory/4300-42-0x00000000059A0000-0x0000000005A06000-memory.dmp

    Filesize

    408KB

  • memory/4300-48-0x0000000005F40000-0x0000000005F5E000-memory.dmp

    Filesize

    120KB

  • memory/4300-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-27-0x00000000057A0000-0x00000000057C2000-memory.dmp

    Filesize

    136KB

  • memory/4300-43-0x0000000005A10000-0x0000000005A76000-memory.dmp

    Filesize

    408KB

  • memory/4300-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-77-0x0000000007470000-0x0000000007481000-memory.dmp

    Filesize

    68KB

  • memory/4300-45-0x0000000005AF0000-0x0000000005E44000-memory.dmp

    Filesize

    3.3MB

  • memory/4300-17-0x0000000005000000-0x0000000005628000-memory.dmp

    Filesize

    6.2MB

  • memory/4300-15-0x0000000004990000-0x00000000049C6000-memory.dmp

    Filesize

    216KB

  • memory/4300-49-0x0000000005FF0000-0x000000000603C000-memory.dmp

    Filesize

    304KB

  • memory/4300-51-0x0000000071630000-0x000000007167C000-memory.dmp

    Filesize

    304KB

  • memory/4300-61-0x00000000064F0000-0x000000000650E000-memory.dmp

    Filesize

    120KB

  • memory/4300-50-0x0000000006510000-0x0000000006542000-memory.dmp

    Filesize

    200KB

  • memory/4300-84-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-62-0x0000000007110000-0x00000000071B3000-memory.dmp

    Filesize

    652KB

  • memory/4300-81-0x0000000007590000-0x0000000007598000-memory.dmp

    Filesize

    32KB

  • memory/4980-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/4980-6-0x0000000006C90000-0x0000000006CAE000-memory.dmp

    Filesize

    120KB

  • memory/4980-5-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/4980-4-0x00000000053A0000-0x00000000053AA000-memory.dmp

    Filesize

    40KB

  • memory/4980-3-0x00000000052E0000-0x0000000005372000-memory.dmp

    Filesize

    584KB

  • memory/4980-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

    Filesize

    5.6MB

  • memory/4980-8-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-9-0x0000000004D40000-0x0000000004DCC000-memory.dmp

    Filesize

    560KB

  • memory/4980-1-0x0000000000880000-0x0000000000940000-memory.dmp

    Filesize

    768KB

  • memory/4980-47-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4980-10-0x000000000B650000-0x000000000B6EC000-memory.dmp

    Filesize

    624KB