Analysis

  • max time kernel
    122s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-01-2025 15:56

General

  • Target

    PO#17971.exe

  • Size

    808KB

  • MD5

    a8a2543b3b684c7668e2ea7f0fda818b

  • SHA1

    95f1ef47f4fddae43d5f2923be0498ac20d39ed7

  • SHA256

    1a096b05c22c2f1fe36e1a03e28b49129d1d5812c5b974c929b2213c8dc8896b

  • SHA512

    e47b2426d4359e43d32bfbe87fddcab42d80becc73c117f2b09ce59169ebd641eea13491fcf9b9ce0cfc19e8e7377c96bf925e034680d4dac1257b8a2b285048

  • SSDEEP

    12288:YUoV+I4MVKW3U5Hn4GMtYvvjUNn9KKXLgvaGG5IeiSl3vu/SJuJ:ERgQU5H4Dt6UNn9KKYve3m/SY

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    wVCMFq@2wVCMFq@2

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 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\PO#17971.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#17971.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:3296
    • 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\PO#17971.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1476
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uApFVLY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4452
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uApFVLY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE138.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4940
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:2624

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

    ba13bec78d55a5573b36d6b2cade7102

    SHA1

    ffe32ba50933a783922b40a29a38aaa20b38e2b5

    SHA256

    da9899118f33305f2edfccd7872a3bd2b93a157e3a254b9f593156af677db6d0

    SHA512

    02ce00b063bb0b874815a5228331cfcd52d29cee57726dc8f3246c9c1899d13d8fc3dfdd6d19f6ca7ffe2fc35cabd8b2012d41f91ddd727272ef76f89c4ccb1e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cflc0z41.qgn.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE138.tmp

    Filesize

    1KB

    MD5

    642422e6d270ef4fdac641661edadea7

    SHA1

    90562e75ad438a75e6a7f388e988a0816401551f

    SHA256

    87851d8a4b3669c26a5a9a43f8d94c442f601171b11b4981b1213806108a96f0

    SHA512

    ee6984b1eac5699493ca36c70ad2cf4550618644bbc72cf9171cf4a2dc78a83f2e39e21a479265292405363a4aaf31e5d6571bbc00abbc6729a08f9629ff3653

  • memory/1476-77-0x0000000007C90000-0x0000000007D26000-memory.dmp

    Filesize

    600KB

  • memory/1476-22-0x0000000005EA0000-0x0000000005F06000-memory.dmp

    Filesize

    408KB

  • memory/1476-79-0x0000000007C40000-0x0000000007C4E000-memory.dmp

    Filesize

    56KB

  • memory/1476-88-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-21-0x0000000005640000-0x0000000005662000-memory.dmp

    Filesize

    136KB

  • memory/1476-50-0x0000000006780000-0x00000000067CC000-memory.dmp

    Filesize

    304KB

  • memory/1476-49-0x00000000066F0000-0x000000000670E000-memory.dmp

    Filesize

    120KB

  • memory/1476-15-0x0000000002DE0000-0x0000000002E16000-memory.dmp

    Filesize

    216KB

  • memory/1476-16-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-17-0x0000000005800000-0x0000000005E28000-memory.dmp

    Filesize

    6.2MB

  • memory/1476-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-30-0x00000000060C0000-0x0000000006414000-memory.dmp

    Filesize

    3.3MB

  • memory/1476-23-0x0000000005F10000-0x0000000005F76000-memory.dmp

    Filesize

    408KB

  • memory/1476-66-0x0000000071440000-0x000000007148C000-memory.dmp

    Filesize

    304KB

  • memory/2624-92-0x0000000006F10000-0x000000000743C000-memory.dmp

    Filesize

    5.2MB

  • memory/2624-90-0x0000000006810000-0x00000000069D2000-memory.dmp

    Filesize

    1.8MB

  • memory/2624-91-0x0000000006690000-0x00000000066E0000-memory.dmp

    Filesize

    320KB

  • memory/2624-46-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3296-3-0x0000000004BE0000-0x0000000004C72000-memory.dmp

    Filesize

    584KB

  • memory/3296-10-0x0000000009C60000-0x0000000009CFC000-memory.dmp

    Filesize

    624KB

  • memory/3296-5-0x0000000004B80000-0x0000000004B8A000-memory.dmp

    Filesize

    40KB

  • memory/3296-9-0x0000000007500000-0x000000000758E000-memory.dmp

    Filesize

    568KB

  • memory/3296-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3296-8-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3296-48-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3296-7-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/3296-1-0x00000000000B0000-0x0000000000180000-memory.dmp

    Filesize

    832KB

  • memory/3296-2-0x00000000050F0000-0x0000000005694000-memory.dmp

    Filesize

    5.6MB

  • memory/3296-6-0x00000000050D0000-0x00000000050EC000-memory.dmp

    Filesize

    112KB

  • memory/3296-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/4452-20-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-76-0x0000000007370000-0x000000000737A000-memory.dmp

    Filesize

    40KB

  • memory/4452-64-0x0000000007940000-0x0000000007FBA000-memory.dmp

    Filesize

    6.5MB

  • memory/4452-78-0x0000000007500000-0x0000000007511000-memory.dmp

    Filesize

    68KB

  • memory/4452-65-0x0000000007300000-0x000000000731A000-memory.dmp

    Filesize

    104KB

  • memory/4452-80-0x0000000007540000-0x0000000007554000-memory.dmp

    Filesize

    80KB

  • memory/4452-81-0x0000000007640000-0x000000000765A000-memory.dmp

    Filesize

    104KB

  • memory/4452-82-0x0000000007620000-0x0000000007628000-memory.dmp

    Filesize

    32KB

  • memory/4452-52-0x0000000071440000-0x000000007148C000-memory.dmp

    Filesize

    304KB

  • memory/4452-63-0x00000000071A0000-0x0000000007243000-memory.dmp

    Filesize

    652KB

  • memory/4452-62-0x0000000006F40000-0x0000000006F5E000-memory.dmp

    Filesize

    120KB

  • memory/4452-89-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-51-0x0000000006F60000-0x0000000006F92000-memory.dmp

    Filesize

    200KB

  • memory/4452-32-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-24-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB