Analysis

  • max time kernel
    124s
  • max time network
    133s
  • 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 11:25

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:4064
    • 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:1192
    • 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:1760
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HDhsWiNna" /XML "C:\Users\Admin\AppData\Local\Temp\tmp700.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2192
    • 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:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    e7989cbdc5d25254ed61bc3ce4d83c62

    SHA1

    b237ca3dd470195256df604ab8bc53cf9f3b8e53

    SHA256

    d3df4eb07a730b67aa2fa70492258fa1fd7a376dcd7a59ea6a7bc0ee67a7070b

    SHA512

    6ef8c304cd11d8aebee07c6bab43b3aea293655f096018a678debd31a759112e7cddac9a0539ac10690404a22d522444a20b3ca20ea0b0873bfff62ca3829116

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3pomdvi5.r2l.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp700.tmp

    Filesize

    1KB

    MD5

    041f4d69cff3d98b1aa5515f63c8e837

    SHA1

    a0670fe15c7fbf0950e577a3feaa43a2153afbd3

    SHA256

    709afa98d22c893af4cef09d9d8ecbd86d1573d951f7a85d78bceb2119533288

    SHA512

    7bb84ac2e399d6e61828d35ed50feed5c90cd527a929bfdba7264142771d739c548f90c3fc67a4f95966e836d861c197615e0f5cd0a3a40b1b01093f11ffd88b

  • memory/1192-63-0x0000000006CF0000-0x0000000006D93000-memory.dmp

    Filesize

    652KB

  • memory/1192-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1192-73-0x0000000007680000-0x0000000007CFA000-memory.dmp

    Filesize

    6.5MB

  • memory/1192-74-0x0000000007040000-0x000000000705A000-memory.dmp

    Filesize

    104KB

  • memory/1192-50-0x0000000006C90000-0x0000000006CC2000-memory.dmp

    Filesize

    200KB

  • memory/1192-61-0x0000000006C70000-0x0000000006C8E000-memory.dmp

    Filesize

    120KB

  • memory/1192-80-0x0000000007380000-0x000000000739A000-memory.dmp

    Filesize

    104KB

  • memory/1192-15-0x00000000023F0000-0x0000000002426000-memory.dmp

    Filesize

    216KB

  • memory/1192-51-0x00000000710D0000-0x000000007111C000-memory.dmp

    Filesize

    304KB

  • memory/1192-75-0x00000000070B0000-0x00000000070BA000-memory.dmp

    Filesize

    40KB

  • memory/1192-22-0x0000000004C40000-0x0000000004C62000-memory.dmp

    Filesize

    136KB

  • memory/1192-19-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1192-43-0x0000000005590000-0x00000000058E4000-memory.dmp

    Filesize

    3.3MB

  • memory/1192-88-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1192-24-0x00000000054E0000-0x0000000005546000-memory.dmp

    Filesize

    408KB

  • memory/1192-25-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1192-23-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

  • memory/1760-17-0x0000000004FC0000-0x00000000055E8000-memory.dmp

    Filesize

    6.2MB

  • memory/1760-78-0x00000000074B0000-0x00000000074BE000-memory.dmp

    Filesize

    56KB

  • memory/1760-77-0x0000000007480000-0x0000000007491000-memory.dmp

    Filesize

    68KB

  • memory/1760-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1760-76-0x0000000007500000-0x0000000007596000-memory.dmp

    Filesize

    600KB

  • memory/1760-48-0x0000000005F50000-0x0000000005F6E000-memory.dmp

    Filesize

    120KB

  • memory/1760-49-0x00000000061A0000-0x00000000061EC000-memory.dmp

    Filesize

    304KB

  • memory/1760-20-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1760-87-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1760-62-0x00000000710D0000-0x000000007111C000-memory.dmp

    Filesize

    304KB

  • memory/1760-81-0x00000000075A0000-0x00000000075A8000-memory.dmp

    Filesize

    32KB

  • memory/1760-79-0x00000000074C0000-0x00000000074D4000-memory.dmp

    Filesize

    80KB

  • memory/3524-90-0x0000000006D80000-0x0000000006DD0000-memory.dmp

    Filesize

    320KB

  • memory/3524-89-0x0000000006F00000-0x00000000070C2000-memory.dmp

    Filesize

    1.8MB

  • memory/3524-45-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/4064-6-0x00000000052C0000-0x00000000052DE000-memory.dmp

    Filesize

    120KB

  • memory/4064-5-0x0000000005020000-0x000000000502A000-memory.dmp

    Filesize

    40KB

  • memory/4064-7-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/4064-8-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4064-4-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4064-9-0x0000000004AC0000-0x0000000004B4C000-memory.dmp

    Filesize

    560KB

  • memory/4064-3-0x00000000050E0000-0x0000000005172000-memory.dmp

    Filesize

    584KB

  • memory/4064-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

    Filesize

    5.6MB

  • memory/4064-10-0x000000000C390000-0x000000000C42C000-memory.dmp

    Filesize

    624KB

  • memory/4064-1-0x00000000005C0000-0x0000000000680000-memory.dmp

    Filesize

    768KB

  • memory/4064-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/4064-47-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB