Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 08:34

General

  • Target

    FACTURA.exe

  • Size

    865KB

  • MD5

    158d8d8e57ad1e305fce17d3e277cc6f

  • SHA1

    0ee2ca41f4b1898838fbd3c5c44baf124c21f4fb

  • SHA256

    51466536fb4a4b2f46c0344206795c49ca7a95ab1179c3c7c269a80623589477

  • SHA512

    4532aae393c59d63def7feb58bafa3530a7c77def52aa44892e76b72353f1fcd416ac388e8445be7041a370a72e4df692abbab899ff0a3afd9a87be4588d608b

  • SSDEEP

    12288:tTv21WRE10veA7aUJc+QS+shiCp++qsqwFnyZ7l:Fv2Q71W/OhPZryZ

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\FACTURA.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA.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:4888
    • 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\FACTURA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3524
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jGcAjS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4072
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGcAjS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD62C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4492
    • C:\Users\Admin\AppData\Local\Temp\FACTURA.exe
      "C:\Users\Admin\AppData\Local\Temp\FACTURA.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:1184

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

    546f3e01dd9fa8427d5990eecf4eae1f

    SHA1

    fc3485ab092637330bdad4b2cd54457a9e38ba6b

    SHA256

    e11e777b9fcd22defd2d171b73047d1e371860367c4fa3909b497bfae61fa3a1

    SHA512

    c922b33a14de2d271f33e49deae20f88fb11b7983b9833a7a795079c4449e73902fb7ad0d1a8e455fbe06cc7027ce40743d8750186c1668e8cebecd946dced9a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_spqz0ftu.tm3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD62C.tmp

    Filesize

    1KB

    MD5

    03f10541833f9f7c8ceb002955c6ddc9

    SHA1

    6c70d387ad3036b2e0437612a182364c5e22ea24

    SHA256

    18dabcbbdb31a778dfa08e4d262ac42413d32f6d13aff5e6783e38c79624b4fb

    SHA512

    aa1e9c671b1c41c74e75923ac8a3359dc826a9947766b02a38779a440e14df7faac5d9e3b38a0df5173d0bd2e4b1e0d656460d1491898fd5f1f96feb660f4ffa

  • memory/1184-91-0x0000000006760000-0x00000000067B0000-memory.dmp

    Filesize

    320KB

  • memory/1184-90-0x00000000068E0000-0x0000000006AA2000-memory.dmp

    Filesize

    1.8MB

  • memory/1184-43-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3524-21-0x0000000005140000-0x00000000051A6000-memory.dmp

    Filesize

    408KB

  • memory/3524-50-0x0000000006100000-0x000000000614C000-memory.dmp

    Filesize

    304KB

  • memory/3524-85-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-82-0x00000000076A0000-0x00000000076A8000-memory.dmp

    Filesize

    32KB

  • memory/3524-15-0x0000000002740000-0x0000000002776000-memory.dmp

    Filesize

    216KB

  • memory/3524-17-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-16-0x0000000005390000-0x00000000059B8000-memory.dmp

    Filesize

    6.2MB

  • memory/3524-81-0x00000000076C0000-0x00000000076DA000-memory.dmp

    Filesize

    104KB

  • memory/3524-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-22-0x0000000005220000-0x0000000005286000-memory.dmp

    Filesize

    408KB

  • memory/3524-80-0x00000000075C0000-0x00000000075D4000-memory.dmp

    Filesize

    80KB

  • memory/3524-24-0x0000000005AC0000-0x0000000005E14000-memory.dmp

    Filesize

    3.3MB

  • memory/3524-79-0x00000000075B0000-0x00000000075BE000-memory.dmp

    Filesize

    56KB

  • memory/3524-78-0x0000000007580000-0x0000000007591000-memory.dmp

    Filesize

    68KB

  • memory/3524-77-0x0000000007600000-0x0000000007696000-memory.dmp

    Filesize

    600KB

  • memory/3524-46-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-66-0x00000000073F0000-0x00000000073FA000-memory.dmp

    Filesize

    40KB

  • memory/3524-64-0x00000000079C0000-0x000000000803A000-memory.dmp

    Filesize

    6.5MB

  • memory/3524-65-0x0000000007380000-0x000000000739A000-memory.dmp

    Filesize

    104KB

  • memory/3524-20-0x00000000050A0000-0x00000000050C2000-memory.dmp

    Filesize

    136KB

  • memory/3524-49-0x0000000006040000-0x000000000605E000-memory.dmp

    Filesize

    120KB

  • memory/3524-51-0x0000000007010000-0x0000000007042000-memory.dmp

    Filesize

    200KB

  • memory/3524-62-0x0000000006610000-0x000000000662E000-memory.dmp

    Filesize

    120KB

  • memory/3524-63-0x0000000007250000-0x00000000072F3000-memory.dmp

    Filesize

    652KB

  • memory/3524-52-0x00000000709E0000-0x0000000070A2C000-memory.dmp

    Filesize

    304KB

  • memory/4072-23-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-67-0x00000000709E0000-0x0000000070A2C000-memory.dmp

    Filesize

    304KB

  • memory/4072-89-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-42-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-45-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4888-7-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/4888-5-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4888-10-0x000000000B800000-0x000000000B89C000-memory.dmp

    Filesize

    624KB

  • memory/4888-0-0x000000007440E000-0x000000007440F000-memory.dmp

    Filesize

    4KB

  • memory/4888-48-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4888-6-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

    Filesize

    120KB

  • memory/4888-9-0x0000000005230000-0x00000000052BC000-memory.dmp

    Filesize

    560KB

  • memory/4888-4-0x0000000005760000-0x000000000576A000-memory.dmp

    Filesize

    40KB

  • memory/4888-3-0x0000000005830000-0x00000000058C2000-memory.dmp

    Filesize

    584KB

  • memory/4888-8-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4888-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

    Filesize

    5.6MB

  • memory/4888-1-0x0000000000C90000-0x0000000000D6E000-memory.dmp

    Filesize

    888KB