Analysis

  • max time kernel
    129s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 15:16

General

  • Target

    a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.exe

  • Size

    811KB

  • MD5

    a56aa95f0b507c4af68606c06e88f874

  • SHA1

    993c7a7087fd15ffcb12aa232c9c7e107b1576a5

  • SHA256

    a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570

  • SHA512

    cf6eb093846d539a1e4b3c37536171381946132de404c82ca3335bac4ffc89c99391f71bece2a49bd47c30cd65fe9ec09c29660adeffdc23b0b6abf7b051f640

  • SSDEEP

    12288:2KFSo1X2zK9+pSwG58sYSGFOpt9upNz7BoTMmrU6kiL9Fyl6wnhLVxU+kR:26So1mzK9+pbG5fHtwpNz7s55vL9KFLm

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 13 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\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.exe
    "C:\Users\Admin\AppData\Local\Temp\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.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:2412
    • 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\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4952
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QdIobSRLBavW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4348
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QdIobSRLBavW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF11.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5116
    • C:\Users\Admin\AppData\Local\Temp\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.exe
      "C:\Users\Admin\AppData\Local\Temp\a6a945cecbb8a65a0be02de5dce49c49c8dfa0f1beb1dfdf851552eb17ee1570.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:5072

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\Temp\__PSScriptPolicyTest_1ozdavxh.zbg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpFF11.tmp

    Filesize

    1KB

    MD5

    d80574a339184a0ff5d3c6a1f6d3f7f2

    SHA1

    b8bc68cbaef7f04abee5e02348c601f26d7a3420

    SHA256

    0e83364a863b421505c0c1ee36cc3ccdb9fa469528a24f06e4d066b7bc08b408

    SHA512

    577246c9724d581abc5ce4e9cd61635e1a0f94b7839159c3f59e15faa412e0cb9854986253b95e52953c0251a7e0318e6b891eda0ec363c38d8b41c5bc36f422

  • memory/2412-8-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/2412-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2412-5-0x0000000005150000-0x000000000515A000-memory.dmp

    Filesize

    40KB

  • memory/2412-6-0x00000000053D0000-0x000000000546C000-memory.dmp

    Filesize

    624KB

  • memory/2412-7-0x00000000055D0000-0x00000000055EC000-memory.dmp

    Filesize

    112KB

  • memory/2412-3-0x0000000005160000-0x00000000051F2000-memory.dmp

    Filesize

    584KB

  • memory/2412-9-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2412-10-0x0000000002A10000-0x0000000002A9C000-memory.dmp

    Filesize

    560KB

  • memory/2412-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/2412-1-0x00000000007D0000-0x000000000089E000-memory.dmp

    Filesize

    824KB

  • memory/2412-2-0x0000000005630000-0x0000000005BD4000-memory.dmp

    Filesize

    5.6MB

  • memory/2412-49-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-53-0x000000006FB90000-0x000000006FBDC000-memory.dmp

    Filesize

    304KB

  • memory/4348-79-0x0000000007920000-0x000000000792E000-memory.dmp

    Filesize

    56KB

  • memory/4348-80-0x0000000007930000-0x0000000007944000-memory.dmp

    Filesize

    80KB

  • memory/4348-82-0x0000000007A10000-0x0000000007A18000-memory.dmp

    Filesize

    32KB

  • memory/4348-19-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-78-0x00000000078F0000-0x0000000007901000-memory.dmp

    Filesize

    68KB

  • memory/4348-44-0x0000000006010000-0x0000000006364000-memory.dmp

    Filesize

    3.3MB

  • memory/4348-45-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-81-0x0000000007A30000-0x0000000007A4A000-memory.dmp

    Filesize

    104KB

  • memory/4348-87-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-22-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4348-72-0x0000000007380000-0x000000000739E000-memory.dmp

    Filesize

    120KB

  • memory/4952-28-0x0000000005790000-0x00000000057F6000-memory.dmp

    Filesize

    408KB

  • memory/4952-43-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-48-0x0000000006630000-0x000000000664E000-memory.dmp

    Filesize

    120KB

  • memory/4952-73-0x0000000007820000-0x00000000078C3000-memory.dmp

    Filesize

    652KB

  • memory/4952-15-0x0000000002D10000-0x0000000002D46000-memory.dmp

    Filesize

    216KB

  • memory/4952-52-0x000000006FB90000-0x000000006FBDC000-memory.dmp

    Filesize

    304KB

  • memory/4952-51-0x00000000077C0000-0x00000000077F2000-memory.dmp

    Filesize

    200KB

  • memory/4952-74-0x0000000007FA0000-0x000000000861A000-memory.dmp

    Filesize

    6.5MB

  • memory/4952-75-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/4952-76-0x00000000079D0000-0x00000000079DA000-memory.dmp

    Filesize

    40KB

  • memory/4952-77-0x0000000007BE0000-0x0000000007C76000-memory.dmp

    Filesize

    600KB

  • memory/4952-50-0x00000000066D0000-0x000000000671C000-memory.dmp

    Filesize

    304KB

  • memory/4952-29-0x0000000005EE0000-0x0000000005F46000-memory.dmp

    Filesize

    408KB

  • memory/4952-21-0x0000000005670000-0x0000000005692000-memory.dmp

    Filesize

    136KB

  • memory/4952-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-17-0x0000000005800000-0x0000000005E28000-memory.dmp

    Filesize

    6.2MB

  • memory/4952-16-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-88-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/5072-46-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/5072-89-0x0000000006670000-0x0000000006832000-memory.dmp

    Filesize

    1.8MB

  • memory/5072-90-0x00000000064F0000-0x0000000006540000-memory.dmp

    Filesize

    320KB