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Analysis

  • max time kernel
    94s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2024, 21:21

General

  • Target

    TT18.exe

  • Size

    12KB

  • MD5

    ceb5022b92f0429137dc0fb67371e901

  • SHA1

    999932b537591401dfa1a74df00dae99264bd994

  • SHA256

    8d2f2dce701f8dc555e74b53bfaf7a1337027adc7fadc094b2eba3bb5b688f1b

  • SHA512

    a7acdf417ef81f131c050bc8bd364edddf7a2ebc446c69411d549c14ca8967af7b8c8a2d4556018f148d1b57bc985e10104cdc72e2bed518cfe3280b0254a3d8

  • SSDEEP

    192:knUbCDQoJq4Hb0jPuiJddudb7Z+XX1cNIQKXy+AFtaffEOsSRMWSVP1W58:kg3MGWimFNIQKX4Fgf8OxRBSVU

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

41d35cbb974bc2d1287dcd4381b4a2a8

C2

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT18.exe
    "C:\Users\Admin\AppData\Local\Temp\TT18.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\jQWJFzBAwS'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5060
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\jQWJFzBAwS
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2552
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Windows'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Windows
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5028
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4484
    • C:\jQWJFzBAwS\8Z9pqUvg.exe
      "C:\jQWJFzBAwS\8Z9pqUvg.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\jQWJFzBAwS\8Z9pqUvg.exe" & rd /s /q "C:\ProgramData\EGIJEBGDAFHI" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5112
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1920

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

    11KB

    MD5

    278ee3b98704c589e023ca610be650b4

    SHA1

    995b1e2b7b95152e87acbada24347b3ac2f2fc9a

    SHA256

    3128e326f9311956d96d0c41392d37e854f6908c89dd1a425e02648a4e1a9f94

    SHA512

    1d1c0be05e81f18a59f56cd356808bf1e3acb5736359f72c42b9663fd8c0addcba5abdb26d0017708fbba51b8e904a281a7d8badd22198be9c2e4449d2d82cb0

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    11KB

    MD5

    e10c1dd465b7282af536431e957198b5

    SHA1

    2e2af8eae8c7a1d2c4a27cb81b1c32c0316092fb

    SHA256

    2c0da1d3e8dc86352b8d440a247d5480d835d5b523f0f9509138b143596fee8a

    SHA512

    f170617cd93817691ff57809f47c4b129fbcde7b63a8c7f20b928589dab7748b0ea44cea7b0be0c92eb987a942222a4e3aad21663030bcb8e125df3e9a362dfa

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    11KB

    MD5

    7c7d5387cae6da56e5d9c6f956350dd1

    SHA1

    93b715ccc3ae767cde649a5eae904ac2090a5149

    SHA256

    e1af56d1e911cd70315e25af99a6c6481d8e15e91afa0bd6b1916c1c5cc35b65

    SHA512

    bdb42c0fc5c25328dfc7a2e3a305188586faaad36b289e1fd44d497664c1b159305f228f077f71cbf2c4815acb9824ec3e4b73922a31e4524f1053f375286535

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qc00lku0.zlb.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\jQWJFzBAwS\8Z9pqUvg.exe

    Filesize

    275KB

    MD5

    0a7b3454fdad8431bd3523648c915665

    SHA1

    800a97a7c1a92a92cac76afc1fe5349895ee5287

    SHA256

    baf217d7bb8f3a86856def6891638318a94ed5d7082149d4dd4cb755d90d86ce

    SHA512

    020e45eaeee083d6739155d9a821ab54dd07f1320b8efb73871ee5d29188122fdbb7d39b34a8b3694a8b0c08ae1801ec370e40ff8d837c9190a72905f26baff9

  • memory/2552-47-0x0000000007480000-0x000000000749E000-memory.dmp

    Filesize

    120KB

  • memory/2552-54-0x0000000007A50000-0x0000000007A61000-memory.dmp

    Filesize

    68KB

  • memory/2552-61-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2552-57-0x0000000007B90000-0x0000000007BAA000-memory.dmp

    Filesize

    104KB

  • memory/2552-58-0x0000000007B70000-0x0000000007B78000-memory.dmp

    Filesize

    32KB

  • memory/2552-56-0x0000000007A90000-0x0000000007AA4000-memory.dmp

    Filesize

    80KB

  • memory/2552-55-0x0000000007A80000-0x0000000007A8E000-memory.dmp

    Filesize

    56KB

  • memory/2552-53-0x0000000007AD0000-0x0000000007B66000-memory.dmp

    Filesize

    600KB

  • memory/2552-52-0x00000000078C0000-0x00000000078CA000-memory.dmp

    Filesize

    40KB

  • memory/2552-23-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2552-24-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2552-34-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2552-50-0x0000000007E90000-0x000000000850A000-memory.dmp

    Filesize

    6.5MB

  • memory/2552-36-0x0000000070EC0000-0x0000000070F0C000-memory.dmp

    Filesize

    304KB

  • memory/2552-49-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2552-48-0x00000000074F0000-0x0000000007593000-memory.dmp

    Filesize

    652KB

  • memory/2552-46-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/2552-35-0x00000000074A0000-0x00000000074D2000-memory.dmp

    Filesize

    200KB

  • memory/2552-51-0x0000000007850000-0x000000000786A000-memory.dmp

    Filesize

    104KB

  • memory/3212-97-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

  • memory/3212-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

  • memory/3212-3-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/3212-146-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/3212-1-0x0000000000140000-0x000000000014A000-memory.dmp

    Filesize

    40KB

  • memory/3212-77-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/3544-145-0x0000000000EF0000-0x0000000001149000-memory.dmp

    Filesize

    2.3MB

  • memory/3544-160-0x0000000000EF0000-0x0000000001149000-memory.dmp

    Filesize

    2.3MB

  • memory/4040-75-0x0000000005F40000-0x0000000006294000-memory.dmp

    Filesize

    3.3MB

  • memory/4228-101-0x0000000005620000-0x0000000005974000-memory.dmp

    Filesize

    3.3MB

  • memory/4484-121-0x0000000070EC0000-0x0000000070F0C000-memory.dmp

    Filesize

    304KB

  • memory/5028-87-0x0000000070EC0000-0x0000000070F0C000-memory.dmp

    Filesize

    304KB

  • memory/5060-20-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-65-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-22-0x0000000006670000-0x00000000066BC000-memory.dmp

    Filesize

    304KB

  • memory/5060-21-0x0000000006650000-0x000000000666E000-memory.dmp

    Filesize

    120KB

  • memory/5060-16-0x0000000006030000-0x0000000006384000-memory.dmp

    Filesize

    3.3MB

  • memory/5060-14-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-7-0x0000000005710000-0x0000000005776000-memory.dmp

    Filesize

    408KB

  • memory/5060-8-0x0000000005E00000-0x0000000005E66000-memory.dmp

    Filesize

    408KB

  • memory/5060-6-0x0000000005670000-0x0000000005692000-memory.dmp

    Filesize

    136KB

  • memory/5060-4-0x00000000057D0000-0x0000000005DF8000-memory.dmp

    Filesize

    6.2MB

  • memory/5060-5-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-2-0x00000000050A0000-0x00000000050D6000-memory.dmp

    Filesize

    216KB