Analysis

  • max time kernel
    137s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/08/2024, 01:56

General

  • Target

    8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe

  • Size

    774KB

  • MD5

    b2fcde172f7605e8a4af7b60349418d7

  • SHA1

    7279c465e2ea6ced62c742c679db21ec9a9a4514

  • SHA256

    8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc

  • SHA512

    8b40661958d8d0fcd170b3d61492a8fc3fbbaefadeb2296d42500cf24935cce6e44575293e2210decff4ccd5212821270dc3dfe788f4c8bdebf36fadbce0a0e5

  • SSDEEP

    24576:YbioMtmDUIKVQ2UNdpZRRMDdK/1Apztv:YMt+F2Q/jCMoztv

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe
    "C:\Users\Admin\AppData\Local\Temp\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1272
    • 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\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1628
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GhrKoSGuCdvpJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2108
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GhrKoSGuCdvpJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8D7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.exe
      "C:\Users\Admin\AppData\Local\Temp\8fcc14a7d1f657fd1cf84282ad1d81404e7ccc253e9ad8f36ccd9118a674d6cc.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:3620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    e0e498bc1a748e5c6e145b7a4bb4f807

    SHA1

    b616f6bbd723f9545aa34f8cf91a5a59ee5d261d

    SHA256

    2067718378293fc80eb4d4ebe5d8354a198f626610094c1e143bc457246af719

    SHA512

    d13396c38cfeee96970e41bb9d40f10a1ad62ab71afbd47a99bf6588c455c6649e353b0fb40d4e4da8d59d32340e4301892094bf16b0d032a8a8ffb807fe78fb

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5x0iuut1.kuv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF8D7.tmp

    Filesize

    1KB

    MD5

    fef53a9e00c75bfedb22c0056b200ec2

    SHA1

    6ec62cbc0b768e7d734068541d7e5847ff4b72a1

    SHA256

    6ff769434e9e41d44e349176158841b3f88dcfd5708358473c10b9d127f44467

    SHA512

    dfc8ab41a27ddd62404a5726f774738da5eeb3cd5684344b55cfcda8231b404e71380370a685a9f194f2cd1b2873be22a283f3be70acbcac649e389c6d55fcf6

  • memory/1272-4-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1272-5-0x0000000005290000-0x000000000529A000-memory.dmp

    Filesize

    40KB

  • memory/1272-6-0x00000000069F0000-0x0000000006AAA000-memory.dmp

    Filesize

    744KB

  • memory/1272-7-0x0000000005500000-0x0000000005518000-memory.dmp

    Filesize

    96KB

  • memory/1272-8-0x000000007523E000-0x000000007523F000-memory.dmp

    Filesize

    4KB

  • memory/1272-9-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1272-10-0x0000000006660000-0x00000000066EA000-memory.dmp

    Filesize

    552KB

  • memory/1272-11-0x0000000008D70000-0x0000000008E0C000-memory.dmp

    Filesize

    624KB

  • memory/1272-3-0x0000000005300000-0x0000000005392000-memory.dmp

    Filesize

    584KB

  • memory/1272-2-0x00000000058B0000-0x0000000005E54000-memory.dmp

    Filesize

    5.6MB

  • memory/1272-0-0x000000007523E000-0x000000007523F000-memory.dmp

    Filesize

    4KB

  • memory/1272-48-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1272-1-0x00000000007D0000-0x0000000000896000-memory.dmp

    Filesize

    792KB

  • memory/1628-76-0x0000000007C70000-0x0000000007C7A000-memory.dmp

    Filesize

    40KB

  • memory/1628-74-0x0000000008240000-0x00000000088BA000-memory.dmp

    Filesize

    6.5MB

  • memory/1628-22-0x0000000006140000-0x00000000061A6000-memory.dmp

    Filesize

    408KB

  • memory/1628-88-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1628-21-0x0000000005910000-0x0000000005932000-memory.dmp

    Filesize

    136KB

  • memory/1628-16-0x0000000002FB0000-0x0000000002FE6000-memory.dmp

    Filesize

    216KB

  • memory/1628-20-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1628-17-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1628-26-0x0000000006220000-0x0000000006574000-memory.dmp

    Filesize

    3.3MB

  • memory/1628-18-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1628-49-0x00000000068A0000-0x00000000068BE000-memory.dmp

    Filesize

    120KB

  • memory/1628-50-0x0000000006980000-0x00000000069CC000-memory.dmp

    Filesize

    304KB

  • memory/1628-19-0x0000000005AA0000-0x00000000060C8000-memory.dmp

    Filesize

    6.2MB

  • memory/1628-75-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

    Filesize

    104KB

  • memory/1628-63-0x0000000071710000-0x000000007175C000-memory.dmp

    Filesize

    304KB

  • memory/1628-23-0x00000000061B0000-0x0000000006216000-memory.dmp

    Filesize

    408KB

  • memory/2108-51-0x0000000006CA0000-0x0000000006CD2000-memory.dmp

    Filesize

    200KB

  • memory/2108-80-0x0000000007060000-0x0000000007074000-memory.dmp

    Filesize

    80KB

  • memory/2108-62-0x0000000006C80000-0x0000000006C9E000-memory.dmp

    Filesize

    120KB

  • memory/2108-52-0x0000000071710000-0x000000007175C000-memory.dmp

    Filesize

    304KB

  • memory/2108-77-0x00000000070A0000-0x0000000007136000-memory.dmp

    Filesize

    600KB

  • memory/2108-78-0x0000000007020000-0x0000000007031000-memory.dmp

    Filesize

    68KB

  • memory/2108-79-0x0000000007050000-0x000000000705E000-memory.dmp

    Filesize

    56KB

  • memory/2108-73-0x0000000006CE0000-0x0000000006D83000-memory.dmp

    Filesize

    652KB

  • memory/2108-81-0x0000000007160000-0x000000000717A000-memory.dmp

    Filesize

    104KB

  • memory/2108-82-0x0000000007140000-0x0000000007148000-memory.dmp

    Filesize

    32KB

  • memory/2108-89-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2108-27-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2108-25-0x0000000075230000-0x00000000759E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3620-45-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3620-90-0x0000000006860000-0x0000000006A22000-memory.dmp

    Filesize

    1.8MB

  • memory/3620-91-0x00000000066E0000-0x0000000006730000-memory.dmp

    Filesize

    320KB