Resubmissions

23-09-2024 08:38

240923-kjtqdssgrn 10

23-09-2024 08:34

240923-kgs13swfmc 10

Analysis

  • max time kernel
    1050s
  • max time network
    1047s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23-09-2024 08:38

General

  • Target

    S0FTWARE.exe

  • Size

    18.0MB

  • MD5

    a11bb3b18eba3f07561ca84c92c520cd

  • SHA1

    c09ffdaa9b11747b07e88f669c70566a48134678

  • SHA256

    7cfae4e35c049f4aad444cca84c5fcdd0f4da67b5a1846e821322a9f9757096b

  • SHA512

    108e8153f76adfb5eb840a771b5af0c80396838363add14e05baf1b953ae19a684bed0648c2b4404d23d2a8f9a0ad2968b2f3e6d6a062c462a217a75dd9a85ac

  • SSDEEP

    98304:NnBWTZ3ASa9wYqH4ALpq+yU0VhtDEH1EU/5VY2PJzuaIK:APa9wYqHZE40jtDEmU/5VPH

Malware Config

Extracted

Family

vidar

Version

11

Botnet

346a77fbabba142b23c256004b5a7c5d

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 15 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • XMRig Miner payload 12 IoCs
  • 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.

  • Creates new service(s) 2 TTPs
  • Downloads MZ/PE file
  • Drops file in Drivers directory 2 IoCs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Launches sc.exe 14 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 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
  • Modifies data under HKEY_USERS 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\S0FTWARE.exe
    "C:\Users\Admin\AppData\Local\Temp\S0FTWARE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3284
    • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\ProgramData\KEGCFCAKFH.exe
        "C:\ProgramData\KEGCFCAKFH.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1232
        • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4492
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3160
          • C:\Windows\system32\wusa.exe
            wusa /uninstall /kb:890830 /quiet /norestart
            5⤵
              PID:3056
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop UsoSvc
            4⤵
            • Launches sc.exe
            PID:3536
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop WaaSMedicSvc
            4⤵
            • Launches sc.exe
            PID:4440
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop wuauserv
            4⤵
            • Launches sc.exe
            PID:1468
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop bits
            4⤵
            • Launches sc.exe
            PID:572
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop dosvc
            4⤵
            • Launches sc.exe
            PID:4800
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:2836
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:3672
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:2468
          • C:\Windows\system32\powercfg.exe
            C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
            4⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:1340
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe delete "GoogleUpdateTaskMachineK"
            4⤵
            • Launches sc.exe
            PID:1484
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe create "GoogleUpdateTaskMachineK" binpath= "C:\ProgramData\GoogleUP\Chrome\Updater.exe" start= "auto"
            4⤵
            • Launches sc.exe
            PID:888
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe stop eventlog
            4⤵
            • Launches sc.exe
            PID:5012
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe start "GoogleUpdateTaskMachineK"
            4⤵
            • Launches sc.exe
            PID:4816
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CFIIIJJKJKFH" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1936
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2028
    • C:\ProgramData\GoogleUP\Chrome\Updater.exe
      C:\ProgramData\GoogleUP\Chrome\Updater.exe
      1⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3156
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1168
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4824
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:1756
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:3408
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:3240
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:4684
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:1060
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:3188
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3500
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3108
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:3076
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1180
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:1544
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2852

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\KEGCFCAKFH.exe

          Filesize

          5.2MB

          MD5

          1e5ab6d00e6b8d80c8789e2401467ce7

          SHA1

          74ea63cc923edb83d206a07bf482595f55ea9010

          SHA256

          4863b0973b798bdbc0e89cdbe4efb5462933f2d457148f43c82a12af89651147

          SHA512

          39aa35408498e4751c3d16364b6863ffc347df45252850a11d486dd7e36b0e4062276833762eaf2c15ed3229c67118d5e420cb1d5fc79f80aaa5e1137a31e701

        • C:\ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • C:\ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0qndqg1f.xkk.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Windows\system32\drivers\etc\hosts

          Filesize

          3KB

          MD5

          00930b40cba79465b7a38ed0449d1449

          SHA1

          4b25a89ee28b20ba162f23772ddaf017669092a5

          SHA256

          eda1aae2c8fce700e3bdbe0186cf3db88400cf0ac13ec736e84dacba61628a01

          SHA512

          cbe4760ec041e7da7ab86474d5c82969cfccb8ccc5dbdac9436862d5b1b86210ab90754d3c8da5724176570d8842e57a716a281acba8719e90098a6f61a17c62

        • memory/1168-161-0x00000160B8E30000-0x00000160B8EE3000-memory.dmp

          Filesize

          716KB

        • memory/1168-164-0x00000160B8FF0000-0x00000160B8FFA000-memory.dmp

          Filesize

          40KB

        • memory/1168-160-0x00000160B8E10000-0x00000160B8E2C000-memory.dmp

          Filesize

          112KB

        • memory/1168-168-0x00000160B9040000-0x00000160B904A000-memory.dmp

          Filesize

          40KB

        • memory/1168-167-0x00000160B9030000-0x00000160B9036000-memory.dmp

          Filesize

          24KB

        • memory/1168-166-0x00000160B9000000-0x00000160B9008000-memory.dmp

          Filesize

          32KB

        • memory/1168-165-0x00000160B9050000-0x00000160B906A000-memory.dmp

          Filesize

          104KB

        • memory/1168-162-0x00000160B8E00000-0x00000160B8E0A000-memory.dmp

          Filesize

          40KB

        • memory/1168-163-0x00000160B9010000-0x00000160B902C000-memory.dmp

          Filesize

          112KB

        • memory/1544-177-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1544-176-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1544-175-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1544-173-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1544-180-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/1544-174-0x0000000140000000-0x000000014000E000-memory.dmp

          Filesize

          56KB

        • memory/2852-181-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-182-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-198-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-197-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-196-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-195-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-194-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-186-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-184-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-185-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-191-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-193-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-192-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-190-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-189-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-188-0x0000000000A50000-0x0000000000A70000-memory.dmp

          Filesize

          128KB

        • memory/2852-183-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/2852-187-0x0000000140000000-0x0000000140848000-memory.dmp

          Filesize

          8.3MB

        • memory/3284-0-0x00007FF754890000-0x00007FF755B30000-memory.dmp

          Filesize

          18.6MB

        • memory/3284-1-0x00007FF754890000-0x00007FF755B30000-memory.dmp

          Filesize

          18.6MB

        • memory/3284-2-0x00007FF754890000-0x00007FF755B30000-memory.dmp

          Filesize

          18.6MB

        • memory/3284-3-0x00007FF754890000-0x00007FF755B30000-memory.dmp

          Filesize

          18.6MB

        • memory/3284-9-0x00007FF754890000-0x00007FF755B30000-memory.dmp

          Filesize

          18.6MB

        • memory/3668-41-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-25-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-14-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-58-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-59-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-93-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-27-0x0000000024B60000-0x0000000024DBF000-memory.dmp

          Filesize

          2.4MB

        • memory/3668-11-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-8-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-42-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-24-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-23-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-81-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-82-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-92-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/3668-128-0x0000000001000000-0x0000000001275000-memory.dmp

          Filesize

          2.5MB

        • memory/4492-134-0x000001ADAE8F0000-0x000001ADAE912000-memory.dmp

          Filesize

          136KB