Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 08:00

General

  • Target

    0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51.exe

  • Size

    760KB

  • MD5

    f87f3da7e4319dc7c9aa712ad633040e

  • SHA1

    a2a0029312e054f01a045b5af463b118779c8951

  • SHA256

    0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51

  • SHA512

    ecf179b368273c02ed5033cbd1fc122f95f235f27bf40c6d8dbfd606ad2439a13269de40e468da462c99b7b8141c990b4b3598fec365baee2ca2847319437918

  • SSDEEP

    12288:HjfLII7ciGmjKPVKu3wKD2NrfcKDd6LgQ58a8okHZcIh6odO7arRiDOUij:DL+l6KPV/w1rflDd6Ld5tiHroodwERi6

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

104.129.27.19:6606

104.129.27.19:7707

104.129.27.19:8808

Mutex

ppUf6LQ00ujy

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

104.129.27.19:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %WinDir%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_lojuxaaqmwpnhvc

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Async RAT payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 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: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51.exe
    "C:\Users\Admin\AppData\Local\Temp\0d2d25f45c008b22385ef8f7a21d9d51d0269c0f55802da3ef34c522f6ef7f51.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PZWVpHoNkCgPF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1632
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PZWVpHoNkCgPF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF954.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2164
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:32
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\dllhostservices.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\dllhostservices.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3324
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\crss.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\crss.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of WriteProcessMemory
        PID:4908
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'HWMonitor';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'HWMonitor' -Value '"C:\Windows\system32\HWMonitor\HWMonitor.exe"' -PropertyType 'String'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3164
        • C:\Windows\SysWOW64\HWMonitor\HWMonitor.exe
          "C:\Windows\system32\HWMonitor\HWMonitor.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          PID:2020
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchostservice.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchostservice.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 32 -s 2432
        3⤵
        • Program crash
        PID:3136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 32 -ip 32
    1⤵
      PID:4108

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      18KB

      MD5

      1eb32819a56452a98332fc5a7b72137c

      SHA1

      df0e37830bd703691ea1d4ca443461f138d926ef

      SHA256

      00b4d1577a6dd96dbe16d9cec622814c8a73e0e35c0dcb5000e9b001d11131c8

      SHA512

      6e1bd71dcaa1542a5f492ab55d31dd5403262609b8f9d3dc17173ac4e9bab67334ff8ced95b9dba27f27948042ee73306c06e6462e6ef0ca649ea7a62975df42

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_acayto4o.ola.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpF954.tmp

      Filesize

      1KB

      MD5

      c4a9420cbcaff9d1d0c080f0c9ca8465

      SHA1

      1be3dbeeb74e8697088a92fe01f23b36964f42bf

      SHA256

      aa37c6fe6db1e516c60f9984fb0e9248175be42c94c278f3a29ea8c218ca91af

      SHA512

      7f173f577c8321e0c6c38dfc6656766aacfe5aa2d0b58a86121143eb85f0a4d4126ebf237ac4ec925e605d573d6c9a805cc6aaabc83be742e60c1712a0b8c499

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\crss.exe

      Filesize

      10KB

      MD5

      caf9747a01a99245a0b3df133dd85191

      SHA1

      c8429f9d5d1d9768e22019fcac5f0d4b59c006a6

      SHA256

      6d0d83d060bc279825425757101698e702f3e71c53639270c63b24216fcbcd3f

      SHA512

      efde236d9924598aa1b3b54b1711b9bbea194bd4a392781aa3c71dca55a0e0188bc8452468497538ee7444ee8803ab4c5865f821fd7aba60b811ed72ebd57ce7

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\dllhostservices.exe

      Filesize

      36KB

      MD5

      64836f3e257a5b415711abc3b6ea6323

      SHA1

      f52f8588801554eaf4e495784b84f830c4afeaf4

      SHA256

      3f02a631dce0c4a4acd39ca731eae0ebda74ea65bfe90573d2ab226bab1dc234

      SHA512

      f3418f421ff0d0bfefd37e5ad75f9d2ffe40953333b90a01ab015942f36333fc4c0e03e468e725e6d8bb5573d9c058aeb889336fee77099db2ddfdfd1a7822f9

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchostservice.exe

      Filesize

      45KB

      MD5

      962b8a0da7f38404ae75698d445d2f82

      SHA1

      afefd1bc3f70d9a03621a22715ea1001a8d4427b

      SHA256

      940d979a6e48061d85288ff57e6865087d7c0362774bd7d2caebfdc7b02914eb

      SHA512

      e1092a2f4c3877eca9d6f67b4da78fecae66bc5fd49d190f796358c245b005a3c6fbd49496bfb4b1ea688c6719c0ca4f963f49b192c97dcb518d5cd4c42bbc68

    • C:\Windows\SysWOW64\HWMonitor\HWMonitor.exe

      Filesize

      47.9MB

      MD5

      137d276d4e1aa6e4a090232e2565dd32

      SHA1

      d8693dd6d42f5d68a04befce464b982d4e87a88f

      SHA256

      fb39c5d49c578d0a1e20f737d26b9f47ffcdc61952a70c26e10bd8c342259ae4

      SHA512

      054ec0f01bfff61babe78b33d664275d38723c69bb222546f7180d55e0a6cf80364b450c86ef7e5a88f77a056087c298fe21f8a62aa5298f04f8d3166eb24f17

    • memory/32-26-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/32-100-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/32-30-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-44-0x0000000075A90000-0x0000000075ADC000-memory.dmp

      Filesize

      304KB

    • memory/1632-88-0x00000000080D0000-0x000000000874A000-memory.dmp

      Filesize

      6.5MB

    • memory/1632-22-0x00000000057C0000-0x00000000057E2000-memory.dmp

      Filesize

      136KB

    • memory/1632-24-0x0000000006030000-0x0000000006096000-memory.dmp

      Filesize

      408KB

    • memory/1632-25-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-18-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-17-0x00000000051C0000-0x00000000051F6000-memory.dmp

      Filesize

      216KB

    • memory/1632-19-0x0000000005890000-0x0000000005EB8000-memory.dmp

      Filesize

      6.2MB

    • memory/1632-20-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-99-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1632-96-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

      Filesize

      32KB

    • memory/1632-95-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

      Filesize

      104KB

    • memory/1632-94-0x0000000007CD0000-0x0000000007CE4000-memory.dmp

      Filesize

      80KB

    • memory/1632-93-0x0000000007CC0000-0x0000000007CCE000-memory.dmp

      Filesize

      56KB

    • memory/1632-28-0x0000000006150000-0x00000000064A4000-memory.dmp

      Filesize

      3.3MB

    • memory/1632-23-0x0000000005FC0000-0x0000000006026000-memory.dmp

      Filesize

      408KB

    • memory/1632-40-0x0000000006740000-0x000000000675E000-memory.dmp

      Filesize

      120KB

    • memory/1632-41-0x0000000006770000-0x00000000067BC000-memory.dmp

      Filesize

      304KB

    • memory/1632-43-0x00000000076E0000-0x0000000007712000-memory.dmp

      Filesize

      200KB

    • memory/1632-92-0x0000000007C90000-0x0000000007CA1000-memory.dmp

      Filesize

      68KB

    • memory/1632-54-0x00000000076C0000-0x00000000076DE000-memory.dmp

      Filesize

      120KB

    • memory/1632-59-0x0000000007930000-0x00000000079D3000-memory.dmp

      Filesize

      652KB

    • memory/1632-91-0x0000000007D10000-0x0000000007DA6000-memory.dmp

      Filesize

      600KB

    • memory/1632-90-0x0000000007B00000-0x0000000007B0A000-memory.dmp

      Filesize

      40KB

    • memory/1632-89-0x0000000007A90000-0x0000000007AAA000-memory.dmp

      Filesize

      104KB

    • memory/3048-4-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-10-0x0000000005610000-0x0000000005618000-memory.dmp

      Filesize

      32KB

    • memory/3048-6-0x0000000005440000-0x00000000054DC000-memory.dmp

      Filesize

      624KB

    • memory/3048-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/3048-8-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/3048-1-0x0000000000720000-0x00000000007E2000-memory.dmp

      Filesize

      776KB

    • memory/3048-2-0x0000000005820000-0x0000000005DC4000-memory.dmp

      Filesize

      5.6MB

    • memory/3048-3-0x0000000005270000-0x0000000005302000-memory.dmp

      Filesize

      584KB

    • memory/3048-7-0x00000000055E0000-0x00000000055F2000-memory.dmp

      Filesize

      72KB

    • memory/3048-5-0x0000000005380000-0x000000000538A000-memory.dmp

      Filesize

      40KB

    • memory/3048-29-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-12-0x0000000006740000-0x00000000067DC000-memory.dmp

      Filesize

      624KB

    • memory/3048-11-0x00000000057A0000-0x00000000057AA000-memory.dmp

      Filesize

      40KB

    • memory/3048-9-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/3164-118-0x0000000005F90000-0x00000000062E4000-memory.dmp

      Filesize

      3.3MB

    • memory/3164-128-0x0000000006690000-0x00000000066DC000-memory.dmp

      Filesize

      304KB

    • memory/3164-129-0x0000000007570000-0x0000000007592000-memory.dmp

      Filesize

      136KB

    • memory/3324-101-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/3324-103-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/3324-72-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/3324-133-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/3324-135-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/3324-138-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/3636-87-0x00000000008F0000-0x0000000000902000-memory.dmp

      Filesize

      72KB

    • memory/4908-83-0x0000000000520000-0x0000000000528000-memory.dmp

      Filesize

      32KB