Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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 07:57

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

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

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

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:3896
    • 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:5080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PZWVpHoNkCgPF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB805.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2080
    • 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:820
      • 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:464
      • 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:1648
        • 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:3016
        • 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:4436
      • 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:2300
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 2412
        3⤵
        • Program crash
        PID:3124
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 820 -ip 820
    1⤵
      PID:624

    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

      18KB

      MD5

      b02d198597c47fd51f1d1c54ff4aeed5

      SHA1

      42daff2dd9c2c42728ca7776f2d467f7d27c8a80

      SHA256

      9cd1717dfefc9872dd267e23acb46116c5bcf78db2125da878aada4c44d0eab0

      SHA512

      d784727f93876dcf0d230f401127240ba688d17f2b2c30224994c5a8f5f47c7f14bc4c7174e79bf48f947efc55e109b4d0f58048727342d7a3f1709d1c2def99

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mgvsjtfx.l1b.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB805.tmp

      Filesize

      1KB

      MD5

      12e2cf33d804d11e531db3e11ee41c6a

      SHA1

      949850090c2fd3e896a48d4cabdcb8862378c7b8

      SHA256

      f43457f80466e756923efd7bfc668f5c11611f7adb3247a96a776e0d1da24b8a

      SHA512

      8b21a720fe5fdd123caaae46d7e4d7d363b9608a52f5d2278747e555d306dfb66b7d5910b6d692d194c3fbb3f1ceefd3a929816bc92a64677c9bb1863665cee1

    • 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

      44.1MB

      MD5

      092068c96631f0c0c30cd4408a955cf4

      SHA1

      02e292aae3519826e4028ad5ca9922b0b0e962ed

      SHA256

      09de101afeb21551858444510f8b03d3c639938ea6188b392bf890e3f5ae3e28

      SHA512

      fd2a599398ce718737ff55538f40bf71f20fc0e3a0f4110aef40f0137624ca74683a4769463f03f9fb5e44ea42d9b1d16afc88a5164308031cc2371047e4f155

    • memory/464-103-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/464-101-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/464-138-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/464-135-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/464-133-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/464-89-0x0000000000400000-0x0000000000419000-memory.dmp

      Filesize

      100KB

    • memory/820-23-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/820-28-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/820-100-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-92-0x00000000001A0000-0x00000000001A8000-memory.dmp

      Filesize

      32KB

    • memory/2300-96-0x0000000000490000-0x00000000004A2000-memory.dmp

      Filesize

      72KB

    • memory/3016-129-0x0000000006730000-0x0000000006752000-memory.dmp

      Filesize

      136KB

    • memory/3016-122-0x0000000005CA0000-0x0000000005FF4000-memory.dmp

      Filesize

      3.3MB

    • memory/3016-128-0x00000000062D0000-0x000000000631C000-memory.dmp

      Filesize

      304KB

    • memory/3896-8-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

      Filesize

      4KB

    • memory/3896-7-0x0000000005BC0000-0x0000000005BD2000-memory.dmp

      Filesize

      72KB

    • memory/3896-12-0x0000000006F30000-0x0000000006FCC000-memory.dmp

      Filesize

      624KB

    • memory/3896-39-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3896-10-0x0000000005F10000-0x0000000005F18000-memory.dmp

      Filesize

      32KB

    • memory/3896-9-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3896-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

      Filesize

      4KB

    • memory/3896-11-0x0000000005F30000-0x0000000005F3A000-memory.dmp

      Filesize

      40KB

    • memory/3896-6-0x0000000005BF0000-0x0000000005C8C000-memory.dmp

      Filesize

      624KB

    • memory/3896-4-0x0000000005A10000-0x0000000005A1A000-memory.dmp

      Filesize

      40KB

    • memory/3896-5-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3896-3-0x0000000005930000-0x00000000059C2000-memory.dmp

      Filesize

      584KB

    • memory/3896-2-0x0000000006000000-0x00000000065A4000-memory.dmp

      Filesize

      5.6MB

    • memory/3896-1-0x0000000000EB0000-0x0000000000F72000-memory.dmp

      Filesize

      776KB

    • memory/5080-18-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5080-59-0x0000000007670000-0x0000000007681000-memory.dmp

      Filesize

      68KB

    • memory/5080-60-0x00000000076B0000-0x00000000076BE000-memory.dmp

      Filesize

      56KB

    • memory/5080-62-0x00000000076C0000-0x00000000076D4000-memory.dmp

      Filesize

      80KB

    • memory/5080-63-0x00000000077B0000-0x00000000077CA000-memory.dmp

      Filesize

      104KB

    • memory/5080-64-0x0000000007790000-0x0000000007798000-memory.dmp

      Filesize

      32KB

    • memory/5080-58-0x00000000076F0000-0x0000000007786000-memory.dmp

      Filesize

      600KB

    • memory/5080-57-0x00000000074E0000-0x00000000074EA000-memory.dmp

      Filesize

      40KB

    • memory/5080-56-0x0000000007470000-0x000000000748A000-memory.dmp

      Filesize

      104KB

    • memory/5080-55-0x0000000007AC0000-0x000000000813A000-memory.dmp

      Filesize

      6.5MB

    • memory/5080-54-0x0000000007360000-0x0000000007403000-memory.dmp

      Filesize

      652KB

    • memory/5080-53-0x00000000066A0000-0x00000000066BE000-memory.dmp

      Filesize

      120KB

    • memory/5080-99-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5080-43-0x0000000075680000-0x00000000756CC000-memory.dmp

      Filesize

      304KB

    • memory/5080-42-0x0000000007120000-0x0000000007152000-memory.dmp

      Filesize

      200KB

    • memory/5080-41-0x00000000066D0000-0x000000000671C000-memory.dmp

      Filesize

      304KB

    • memory/5080-40-0x0000000006130000-0x000000000614E000-memory.dmp

      Filesize

      120KB

    • memory/5080-34-0x0000000005B60000-0x0000000005EB4000-memory.dmp

      Filesize

      3.3MB

    • memory/5080-26-0x0000000005AF0000-0x0000000005B56000-memory.dmp

      Filesize

      408KB

    • memory/5080-25-0x0000000005A80000-0x0000000005AE6000-memory.dmp

      Filesize

      408KB

    • memory/5080-24-0x00000000059E0000-0x0000000005A02000-memory.dmp

      Filesize

      136KB

    • memory/5080-21-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5080-22-0x0000000074DF0000-0x00000000755A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5080-20-0x0000000005380000-0x00000000059A8000-memory.dmp

      Filesize

      6.2MB

    • memory/5080-17-0x0000000002830000-0x0000000002866000-memory.dmp

      Filesize

      216KB