Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2024 02:42

General

  • Target

    8680e9ff0246c2b7cd4a45a9c6262851ce8d12e4638e48cb1baec267c2b6ea6b.exe

  • Size

    26.0MB

  • MD5

    13eb2bb3303156d695ecf3f2b2c09eb7

  • SHA1

    db1f2877681d02201c6c9d71d8c52a872c3612b9

  • SHA256

    8680e9ff0246c2b7cd4a45a9c6262851ce8d12e4638e48cb1baec267c2b6ea6b

  • SHA512

    6f44a7f1612f0eb4843c1e0de757a03f53d2b14e7aa8b7f983c2ca9baf0701d30f129edeab9c889655840782a1289fb4d0bf0699223e3c584afdaa4ee5172172

  • SSDEEP

    192:0qgaiJUFTQcHVPtAXjJ9vT2O3yP8B50LOZdBcmCEJXVWwTnkVOvQu:57zFEcH769vT2OCkB50LknnVTnkVUQ

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\8680e9ff0246c2b7cd4a45a9c6262851ce8d12e4638e48cb1baec267c2b6ea6b.exe
    "C:\Users\Admin\AppData\Local\Temp\8680e9ff0246c2b7cd4a45a9c6262851ce8d12e4638e48cb1baec267c2b6ea6b.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3780
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\YlSHjtguy'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2840
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\YlSHjtguy
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4944
    • 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:4356
      • 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:4568
    • 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:5104
      • 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:2648
    • C:\YlSHjtguy\gglHiuCjvP.exe
      "C:\YlSHjtguy\gglHiuCjvP.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:4800
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\YlSHjtguy\gglHiuCjvP.exe" & rd /s /q "C:\ProgramData\BAKKEGCAAECA" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3264
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3868

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

    61987682ec91fbdc3c4d3bbf515d828d

    SHA1

    27fbef4c74b2f4eba453421972a82bb0d26c3579

    SHA256

    958f6e0c1caf8b7c9b07a7566179561a4c63959258e6ed433423b49738e65ac3

    SHA512

    67a8dd47b79cd3f94e3517e5ea67773cbda89333e000503d28d14e7cac67cf67c2ca53c46d73f7944842076514df77084ff826fb2f60533a737672c313f8053c

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

    Filesize

    11KB

    MD5

    e96c24e5d8e6d8f79197593e9fdb5cde

    SHA1

    1f0cf89f1fd12590f520cefc4f9f8c7d5a8e241a

    SHA256

    cf1033d10e4809f099781b8d5b450c6108e11c542f741590c4919656e95a6c69

    SHA512

    87d0fd94e1616730db2280babcbcbce94a36a59eda16d88b705882c58da94f6310e9407be717682e1a5479e47e7155987e36384349bb9de0a150fcb29a71ec8b

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

    Filesize

    11KB

    MD5

    c7fe41a3bcd65622cbd0f095b756144f

    SHA1

    c708aaa6e61b9474047aa922805107886e300c15

    SHA256

    08e1d55c4513a0b8d9030333af44f3ef604bcf33a3c85e5f75b280d42311ae4d

    SHA512

    7ddcc285e042f2e5a86aef84fc56e6f1cb57916931acf18aa83d5fbdc435fbaefab1da30803418972631beb6fbab1c71b6efc0e539d982de3d20e75cf2bdca65

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

    Filesize

    488B

    MD5

    2dabe91ed0a28bea5e204d3fc712b01c

    SHA1

    fa51c09973173d96aeabd05025e7ba6c6090e92e

    SHA256

    dde0300fa6f55a0ac508962920dea072e27dd338f3698d3f5859d7b8de69df6e

    SHA512

    9b9072f1c66194d0089d647627f632524e676e2acf549f2233be48c0917529f8f1243a50be6e8ac4b059aac7958cd4b58986190c1567ee56c460d2112f7d8a2e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hxrgbzwg.bqb.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\YlSHjtguy\gglHiuCjvP.exe

    Filesize

    275KB

    MD5

    0a7b3454fdad8431bd3523648c915665

    SHA1

    800a97a7c1a92a92cac76afc1fe5349895ee5287

    SHA256

    baf217d7bb8f3a86856def6891638318a94ed5d7082149d4dd4cb755d90d86ce

    SHA512

    020e45eaeee083d6739155d9a821ab54dd07f1320b8efb73871ee5d29188122fdbb7d39b34a8b3694a8b0c08ae1801ec370e40ff8d837c9190a72905f26baff9

  • memory/2648-119-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

    Filesize

    304KB

  • memory/2840-65-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2840-4-0x0000000005C70000-0x0000000006298000-memory.dmp

    Filesize

    6.2MB

  • memory/2840-7-0x0000000005930000-0x0000000005952000-memory.dmp

    Filesize

    136KB

  • memory/2840-15-0x00000000062A0000-0x00000000065F4000-memory.dmp

    Filesize

    3.3MB

  • memory/2840-20-0x00000000068E0000-0x00000000068FE000-memory.dmp

    Filesize

    120KB

  • memory/2840-21-0x0000000006910000-0x000000000695C000-memory.dmp

    Filesize

    304KB

  • memory/2840-9-0x0000000005A40000-0x0000000005AA6000-memory.dmp

    Filesize

    408KB

  • memory/2840-6-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2840-61-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2840-5-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2840-3-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2840-8-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/2840-2-0x0000000002FE0000-0x0000000003016000-memory.dmp

    Filesize

    216KB

  • memory/3780-132-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3780-1-0x0000000000470000-0x000000000047A000-memory.dmp

    Filesize

    40KB

  • memory/3780-33-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/3780-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/3780-145-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/4356-66-0x0000000006200000-0x0000000006554000-memory.dmp

    Filesize

    3.3MB

  • memory/4568-86-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

    Filesize

    304KB

  • memory/4800-144-0x0000000000770000-0x00000000009C9000-memory.dmp

    Filesize

    2.3MB

  • memory/4800-159-0x0000000000770000-0x00000000009C9000-memory.dmp

    Filesize

    2.3MB

  • memory/4944-46-0x0000000006500000-0x000000000651E000-memory.dmp

    Filesize

    120KB

  • memory/4944-50-0x0000000007270000-0x000000000728A000-memory.dmp

    Filesize

    104KB

  • memory/4944-60-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/4944-56-0x00000000075B0000-0x00000000075CA000-memory.dmp

    Filesize

    104KB

  • memory/4944-55-0x00000000074B0000-0x00000000074C4000-memory.dmp

    Filesize

    80KB

  • memory/4944-54-0x00000000074A0000-0x00000000074AE000-memory.dmp

    Filesize

    56KB

  • memory/4944-53-0x0000000007470000-0x0000000007481000-memory.dmp

    Filesize

    68KB

  • memory/4944-52-0x00000000074F0000-0x0000000007586000-memory.dmp

    Filesize

    600KB

  • memory/4944-51-0x00000000072E0000-0x00000000072EA000-memory.dmp

    Filesize

    40KB

  • memory/4944-57-0x0000000007590000-0x0000000007598000-memory.dmp

    Filesize

    32KB

  • memory/4944-22-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/4944-49-0x00000000078C0000-0x0000000007F3A000-memory.dmp

    Filesize

    6.5MB

  • memory/4944-48-0x0000000007120000-0x00000000071C3000-memory.dmp

    Filesize

    652KB

  • memory/4944-47-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/4944-34-0x0000000006520000-0x0000000006552000-memory.dmp

    Filesize

    200KB

  • memory/4944-45-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/4944-35-0x0000000070BB0000-0x0000000070BFC000-memory.dmp

    Filesize

    304KB

  • memory/4944-23-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/5104-108-0x00000000062B0000-0x0000000006604000-memory.dmp

    Filesize

    3.3MB