Analysis

  • max time kernel
    122s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 21:19

General

  • Target

    2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe

  • Size

    721KB

  • MD5

    676e09400b07f151e4e402284e88b8c0

  • SHA1

    f5ac11d146a72e002ff5bdc1627750d6742b1f22

  • SHA256

    2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1

  • SHA512

    6b754b38f27f092068e5847605dead0f0347decf92043dfba6f73a77f786e5040204cb9d7f20197eeed7737ddaf015d93d543861d5d2504a986e5389907570ff

  • SSDEEP

    12288:E1xZ5n0179tQbEeX/zYM28x7JsAzZTgkjb+UQf6KdSM2g7ocst3BlVU7doThdUD2:jt0//P2A7KAx+dT2g7ohRl6poThu5a4e

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.

  • 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.

  • 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 9 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\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe
    "C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.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:2180
    • 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\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.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\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EtFGdzr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3644
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EtFGdzr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:964
    • C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.exe
      "C:\Users\Admin\AppData\Local\Temp\2e73158c86afa9fa475bf17a90da26173901106fb3977c5f19a33d8e434809f1.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:632

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

    60274e9f96bd2bbc4ed56f859239fbb7

    SHA1

    ddaf25317de7dfdfeda4e99c1a69a75b9a7b2ad3

    SHA256

    62bd67d8bcf8b451f2fe786a29abd6193e410cc34951477372e8e46bc6a2ae68

    SHA512

    f9566c00f81ead96d50657374f85e8f5a488ba53f355929251b77aab7db1028c5cddcbe0bc565123ba259ee634b0dd401cb80877937481c367c0e72915991b73

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x54mtwui.d4i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp3E3.tmp

    Filesize

    1KB

    MD5

    456d3f8791b94150b2008d6ffa1c86fd

    SHA1

    9a3a4957bf601805eb71d80020fd23146a076cea

    SHA256

    22e2821a50c9af47ca32456abddf72165aab0a62238c07217173fda056c2e0ab

    SHA512

    175157bcd3e22503632b6fc8ec0a9e18c38edadf063917b51ca38312c495aea7ac31a811fedd349f2165bd072ae9fb82dfa8e2d51547d6f85f394139ae8ccef7

  • memory/632-91-0x00000000064F0000-0x0000000006540000-memory.dmp

    Filesize

    320KB

  • memory/632-37-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/632-90-0x0000000006670000-0x0000000006832000-memory.dmp

    Filesize

    1.8MB

  • memory/2180-4-0x0000000005700000-0x000000000570A000-memory.dmp

    Filesize

    40KB

  • memory/2180-8-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/2180-9-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-10-0x0000000004F90000-0x000000000501C000-memory.dmp

    Filesize

    560KB

  • memory/2180-7-0x0000000005B70000-0x0000000005B8C000-memory.dmp

    Filesize

    112KB

  • memory/2180-6-0x00000000057E0000-0x000000000587C000-memory.dmp

    Filesize

    624KB

  • memory/2180-5-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-3-0x00000000055F0000-0x0000000005682000-memory.dmp

    Filesize

    584KB

  • memory/2180-0-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/2180-50-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

    Filesize

    5.6MB

  • memory/2180-1-0x0000000000AC0000-0x0000000000B7A000-memory.dmp

    Filesize

    744KB

  • memory/3644-76-0x00000000070F0000-0x00000000070FA000-memory.dmp

    Filesize

    40KB

  • memory/3644-74-0x00000000076D0000-0x0000000007D4A000-memory.dmp

    Filesize

    6.5MB

  • memory/3644-24-0x0000000005740000-0x00000000057A6000-memory.dmp

    Filesize

    408KB

  • memory/3644-89-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-25-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-23-0x0000000005620000-0x0000000005686000-memory.dmp

    Filesize

    408KB

  • memory/3644-44-0x0000000005D60000-0x0000000005D7E000-memory.dmp

    Filesize

    120KB

  • memory/3644-22-0x0000000004DB0000-0x0000000004DD2000-memory.dmp

    Filesize

    136KB

  • memory/3644-49-0x0000000005D90000-0x0000000005DDC000-memory.dmp

    Filesize

    304KB

  • memory/3644-20-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-51-0x0000000006EE0000-0x0000000006F12000-memory.dmp

    Filesize

    200KB

  • memory/3644-62-0x0000000006EC0000-0x0000000006EDE000-memory.dmp

    Filesize

    120KB

  • memory/3644-82-0x00000000073A0000-0x00000000073A8000-memory.dmp

    Filesize

    32KB

  • memory/3644-52-0x000000006F3C0000-0x000000006F40C000-memory.dmp

    Filesize

    304KB

  • memory/3644-73-0x0000000006F30000-0x0000000006FD3000-memory.dmp

    Filesize

    652KB

  • memory/3644-27-0x00000000057B0000-0x0000000005B04000-memory.dmp

    Filesize

    3.3MB

  • memory/3644-81-0x00000000073C0000-0x00000000073DA000-memory.dmp

    Filesize

    104KB

  • memory/3644-19-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-77-0x0000000007300000-0x0000000007396000-memory.dmp

    Filesize

    600KB

  • memory/3644-78-0x0000000007280000-0x0000000007291000-memory.dmp

    Filesize

    68KB

  • memory/3644-80-0x00000000072C0000-0x00000000072D4000-memory.dmp

    Filesize

    80KB

  • memory/4452-79-0x0000000007730000-0x000000000773E000-memory.dmp

    Filesize

    56KB

  • memory/4452-75-0x0000000007500000-0x000000000751A000-memory.dmp

    Filesize

    104KB

  • memory/4452-63-0x000000006F3C0000-0x000000006F40C000-memory.dmp

    Filesize

    304KB

  • memory/4452-18-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-21-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-88-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-17-0x00000000052A0000-0x00000000058C8000-memory.dmp

    Filesize

    6.2MB

  • memory/4452-16-0x0000000074410000-0x0000000074BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4452-15-0x0000000004C10000-0x0000000004C46000-memory.dmp

    Filesize

    216KB