Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 01:33

General

  • Target

    fa4f1c0b324654420f8758b8ab1d7e0db22f0eacbff0d2e14413ed904ca54aaf.exe

  • Size

    17.9MB

  • MD5

    81f6b6fe3201c3941bd49243c5896811

  • SHA1

    8bd0d5bb78255fc9f2dcf70fde14dba16c66551c

  • SHA256

    fa4f1c0b324654420f8758b8ab1d7e0db22f0eacbff0d2e14413ed904ca54aaf

  • SHA512

    f3d22c84fb70a2c851f533037b74c45248b9074aa3042371672c89c3ee5229bbdbbc193e54840adbc5f17672430fbbc0b94dd12c8014f3a3ec93fece24e54d4f

  • SSDEEP

    393216:7bbTRUBXu2+WlsaxtBXu2+WlsaxtBXu2+WlsaxtBXu2+Wlsax:7PKBX4mtfBX4mtfBX4mtfBX4mt

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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa4f1c0b324654420f8758b8ab1d7e0db22f0eacbff0d2e14413ed904ca54aaf.exe
    "C:\Users\Admin\AppData\Local\Temp\fa4f1c0b324654420f8758b8ab1d7e0db22f0eacbff0d2e14413ed904ca54aaf.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\hRaph1Tt7'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\hRaph1Tt7
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3436
    • 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:316
      • 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:2572
    • 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:2792
      • 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:2972
    • C:\hRaph1Tt7\DWQlnndzRF.exe
      "C:\hRaph1Tt7\DWQlnndzRF.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:1976
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\hRaph1Tt7\DWQlnndzRF.exe" & rd /s /q "C:\ProgramData\DGHIDHCAAKEC" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3624
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3408

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    11KB

    MD5

    09e162610e7b68d3ca0588aa6f30404b

    SHA1

    d8404eaf5418c307b51e4ad1094556eb3cd263e1

    SHA256

    2acf974c0fa58639eb6abe87fb249d17767ab3025488714b073b5e00589d67f7

    SHA512

    b432a05522f1569a736471030943428e48b2d51f210cba161690e4bc92229c60d3fde628817dfa6e08b2ef351e62f2b17998df0772fcb5a0ff225639f0db4627

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

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

    Filesize

    11KB

    MD5

    ac96512dcd66b724dc3c285912070ad3

    SHA1

    0dc51ce8138ecb4f9ec7066fe0fb0e5f0cfd9a0f

    SHA256

    24cef5e518215c4e0d4c13cd0d5ebc3a5fbadbb513053cfb28e3b3f6c6ed3461

    SHA512

    ffad55020b7e95035ef0a3c6e33fd577a8cb10ddb8fd3db35bb9f4264cf8c5ecdf304c915b5b3f078691b9e776023b2c6d9b89c017fab0f668cc7e8ce5aa734d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3oa3v0v0.0ju.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\hRaph1Tt7\DWQlnndzRF.exe

    Filesize

    275KB

    MD5

    0a7b3454fdad8431bd3523648c915665

    SHA1

    800a97a7c1a92a92cac76afc1fe5349895ee5287

    SHA256

    baf217d7bb8f3a86856def6891638318a94ed5d7082149d4dd4cb755d90d86ce

    SHA512

    020e45eaeee083d6739155d9a821ab54dd07f1320b8efb73871ee5d29188122fdbb7d39b34a8b3694a8b0c08ae1801ec370e40ff8d837c9190a72905f26baff9

  • memory/316-78-0x0000000005930000-0x0000000005C84000-memory.dmp

    Filesize

    3.3MB

  • memory/1968-0-0x000000007533E000-0x000000007533F000-memory.dmp

    Filesize

    4KB

  • memory/1968-56-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1968-147-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1968-47-0x000000007533E000-0x000000007533F000-memory.dmp

    Filesize

    4KB

  • memory/1968-2-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/1968-1-0x00000000001D0000-0x00000000013BA000-memory.dmp

    Filesize

    17.9MB

  • memory/1976-143-0x0000000000A50000-0x0000000000CA9000-memory.dmp

    Filesize

    2.3MB

  • memory/1976-161-0x0000000000A50000-0x0000000000CA9000-memory.dmp

    Filesize

    2.3MB

  • memory/2572-89-0x0000000071130000-0x000000007117C000-memory.dmp

    Filesize

    304KB

  • memory/2792-111-0x0000000005950000-0x0000000005CA4000-memory.dmp

    Filesize

    3.3MB

  • memory/2972-122-0x0000000071130000-0x000000007117C000-memory.dmp

    Filesize

    304KB

  • memory/3436-61-0x0000000007610000-0x0000000007618000-memory.dmp

    Filesize

    32KB

  • memory/3436-59-0x0000000007530000-0x0000000007544000-memory.dmp

    Filesize

    80KB

  • memory/3436-35-0x00000000065A0000-0x00000000065D2000-memory.dmp

    Filesize

    200KB

  • memory/3436-46-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3436-48-0x0000000006520000-0x000000000653E000-memory.dmp

    Filesize

    120KB

  • memory/3436-49-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3436-50-0x00000000071C0000-0x0000000007263000-memory.dmp

    Filesize

    652KB

  • memory/3436-51-0x0000000007930000-0x0000000007FAA000-memory.dmp

    Filesize

    6.5MB

  • memory/3436-52-0x00000000072F0000-0x000000000730A000-memory.dmp

    Filesize

    104KB

  • memory/3436-53-0x0000000007360000-0x000000000736A000-memory.dmp

    Filesize

    40KB

  • memory/3436-54-0x0000000007570000-0x0000000007606000-memory.dmp

    Filesize

    600KB

  • memory/3436-55-0x00000000074F0000-0x0000000007501000-memory.dmp

    Filesize

    68KB

  • memory/3436-25-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3436-23-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3436-58-0x0000000007520000-0x000000000752E000-memory.dmp

    Filesize

    56KB

  • memory/3436-36-0x0000000071130000-0x000000007117C000-memory.dmp

    Filesize

    304KB

  • memory/3436-60-0x0000000007630000-0x000000000764A000-memory.dmp

    Filesize

    104KB

  • memory/3436-24-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/3436-64-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4636-10-0x0000000005BD0000-0x0000000005C36000-memory.dmp

    Filesize

    408KB

  • memory/4636-22-0x0000000006330000-0x000000000637C000-memory.dmp

    Filesize

    304KB

  • memory/4636-68-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4636-21-0x0000000006310000-0x000000000632E000-memory.dmp

    Filesize

    120KB

  • memory/4636-20-0x0000000005CF0000-0x0000000006044000-memory.dmp

    Filesize

    3.3MB

  • memory/4636-9-0x0000000005B60000-0x0000000005BC6000-memory.dmp

    Filesize

    408KB

  • memory/4636-57-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4636-8-0x0000000005430000-0x0000000005452000-memory.dmp

    Filesize

    136KB

  • memory/4636-5-0x00000000054C0000-0x0000000005AE8000-memory.dmp

    Filesize

    6.2MB

  • memory/4636-7-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4636-6-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4636-4-0x0000000075330000-0x0000000075AE0000-memory.dmp

    Filesize

    7.7MB

  • memory/4636-3-0x00000000029E0000-0x0000000002A16000-memory.dmp

    Filesize

    216KB