Analysis

  • max time kernel
    140s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 02:37

General

  • Target

    f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe

  • Size

    858KB

  • MD5

    4ac76297abf58c73fdad41508853537c

  • SHA1

    9855c22d188988c1b8db019b5606fcf7cb192b6d

  • SHA256

    f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d

  • SHA512

    cf8e52b1dacd98abaa6244ad4f1be03cf6179fdc2d3f9d49be6207d5e7ad4155ef46f07ea3e801e3c5ea4662de0c6dcd2f34745e13cac80e7a472b0ab6bc30cc

  • SSDEEP

    12288:S6AMd6OdKEari+sNYvasQEU/xR8+jYQYIUsCXaNfFxDg70Q1ahPFqPneHWXtt7kR:S+6h1OHNYaLxtjUIUsftxDg7ncGf9o

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.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe
    "C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.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:2976
    • 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\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2392
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hlxwOGwWpD.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hlxwOGwWpD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16B0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4844
    • C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe
      "C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe"
      2⤵
        PID:4632
      • C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe
        "C:\Users\Admin\AppData\Local\Temp\f5dcef48d10d26c35b7123ed8b8281eb18b0aabd2fba48509da1d75732804d0d.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 1484
          3⤵
          • Program crash
          PID:4420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1916 -ip 1916
      1⤵
        PID:1092

      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

              901d83117421071d78001923dc67e02d

              SHA1

              6e685004770388823ee1f3d24c904ff5492323e7

              SHA256

              b000edf92710e29ccac7f0ba3a79405d7c61b35e5d6400fa88cde2ae615fd16c

              SHA512

              2dbb39995afd3d7b822ab781d62d22c52ec8fbde29dd47989ef0e36f656c6ce3c0ff9554ace3721762d63aac711b73e2fcd0f4483d18c126d0a34f75d3ce12ae

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e5pkeg5s.znf.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • C:\Users\Admin\AppData\Local\Temp\tmp16B0.tmp

              Filesize

              1KB

              MD5

              ebd40643c05d1ed13d46336274166383

              SHA1

              82dd35a4aba85904c5c6b2db73f35a32367ec310

              SHA256

              585b5763f8c6eacd1d773fbb08a98504f100e33fcf880d681bf30661797674de

              SHA512

              373fe1fa477098df1037e46d241f2fb30b21710a1155ebfffc04379ed7b0cd5654218f70008eefa0afbd9f65699f3dc2a9f188f5cc9e06a143e8e87e5b126809

            • memory/1608-80-0x0000000007F60000-0x0000000007F68000-memory.dmp

              Filesize

              32KB

            • memory/1608-76-0x0000000007E40000-0x0000000007E51000-memory.dmp

              Filesize

              68KB

            • memory/1608-75-0x0000000007EC0000-0x0000000007F56000-memory.dmp

              Filesize

              600KB

            • memory/1608-72-0x0000000008280000-0x00000000088FA000-memory.dmp

              Filesize

              6.5MB

            • memory/1608-60-0x0000000075B00000-0x0000000075B4C000-memory.dmp

              Filesize

              304KB

            • memory/1916-35-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2392-73-0x00000000077B0000-0x00000000077CA000-memory.dmp

              Filesize

              104KB

            • memory/2392-49-0x0000000007420000-0x0000000007452000-memory.dmp

              Filesize

              200KB

            • memory/2392-16-0x0000000004F00000-0x0000000004F36000-memory.dmp

              Filesize

              216KB

            • memory/2392-18-0x0000000075280000-0x0000000075A30000-memory.dmp

              Filesize

              7.7MB

            • memory/2392-17-0x00000000055C0000-0x0000000005BE8000-memory.dmp

              Filesize

              6.2MB

            • memory/2392-20-0x0000000005470000-0x00000000054D6000-memory.dmp

              Filesize

              408KB

            • memory/2392-22-0x0000000075280000-0x0000000075A30000-memory.dmp

              Filesize

              7.7MB

            • memory/2392-21-0x00000000054E0000-0x0000000005546000-memory.dmp

              Filesize

              408KB

            • memory/2392-23-0x0000000005D70000-0x00000000060C4000-memory.dmp

              Filesize

              3.3MB

            • memory/2392-19-0x00000000053D0000-0x00000000053F2000-memory.dmp

              Filesize

              136KB

            • memory/2392-24-0x0000000075280000-0x0000000075A30000-memory.dmp

              Filesize

              7.7MB

            • memory/2392-86-0x0000000075280000-0x0000000075A30000-memory.dmp

              Filesize

              7.7MB

            • memory/2392-79-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

              Filesize

              104KB

            • memory/2392-78-0x00000000079F0000-0x0000000007A04000-memory.dmp

              Filesize

              80KB

            • memory/2392-77-0x00000000079E0000-0x00000000079EE000-memory.dmp

              Filesize

              56KB

            • memory/2392-47-0x0000000006480000-0x000000000649E000-memory.dmp

              Filesize

              120KB

            • memory/2392-48-0x00000000064B0000-0x00000000064FC000-memory.dmp

              Filesize

              304KB

            • memory/2392-74-0x0000000007830000-0x000000000783A000-memory.dmp

              Filesize

              40KB

            • memory/2392-50-0x0000000075B00000-0x0000000075B4C000-memory.dmp

              Filesize

              304KB

            • memory/2392-62-0x0000000006A40000-0x0000000006A5E000-memory.dmp

              Filesize

              120KB

            • memory/2392-71-0x0000000007460000-0x0000000007503000-memory.dmp

              Filesize

              652KB

            • memory/2976-46-0x0000000075280000-0x0000000075A30000-memory.dmp

              Filesize

              7.7MB

            • memory/2976-6-0x00000000086C0000-0x00000000086D2000-memory.dmp

              Filesize

              72KB

            • memory/2976-0-0x000000007528E000-0x000000007528F000-memory.dmp

              Filesize

              4KB

            • memory/2976-11-0x0000000006F80000-0x000000000701C000-memory.dmp

              Filesize

              624KB

            • memory/2976-5-0x0000000075280000-0x0000000075A30000-memory.dmp

              Filesize

              7.7MB

            • memory/2976-4-0x00000000059D0000-0x00000000059DA000-memory.dmp

              Filesize

              40KB

            • memory/2976-7-0x000000007528E000-0x000000007528F000-memory.dmp

              Filesize

              4KB

            • memory/2976-8-0x0000000075280000-0x0000000075A30000-memory.dmp

              Filesize

              7.7MB

            • memory/2976-9-0x0000000006CA0000-0x0000000006CB0000-memory.dmp

              Filesize

              64KB

            • memory/2976-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp

              Filesize

              584KB

            • memory/2976-2-0x0000000005FF0000-0x0000000006594000-memory.dmp

              Filesize

              5.6MB

            • memory/2976-1-0x0000000000F20000-0x0000000000FF8000-memory.dmp

              Filesize

              864KB

            • memory/2976-10-0x0000000006D00000-0x0000000006D8C000-memory.dmp

              Filesize

              560KB