Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 17:07

General

  • Target

    Documento di Pagamento__Credit Agricole.pdf.exe

  • Size

    1.0MB

  • MD5

    271d060eb3c90d1315b45c9058aa67a1

  • SHA1

    1cc1fbde41baa59e17ef85cf1f1c579b483b1b5d

  • SHA256

    29fbad311f84b5a35ad6cefb1b0f5727651eaa2eed0eef382bc1f2d62a3d37f9

  • SHA512

    4f8e6ac8a1694b03f3bb241bf30c1751599d0ed17446e67fc63ae081b11e67a8f86e4664d6745b7f50bc8b2600ab97bab07f5a4f21ab098b4637924fb9313faf

  • SSDEEP

    24576:4+1bAypcQelwMWXCdkBUJILMLqqNHKyls5HAiA0s7lc:hVODwM+jBRLMLPSHSZq

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.42:7118

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WYBPPO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documento di Pagamento__Credit Agricole.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Documento di Pagamento__Credit Agricole.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Documento di Pagamento__Credit Agricole.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OopJiE.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5036
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OopJiE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB26.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3924
    • C:\Users\Admin\AppData\Local\Temp\Documento di Pagamento__Credit Agricole.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Documento di Pagamento__Credit Agricole.pdf.exe"
      2⤵
        PID:1712
      • C:\Users\Admin\AppData\Local\Temp\Documento di Pagamento__Credit Agricole.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Documento di Pagamento__Credit Agricole.pdf.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:4272

    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

      948f365fe0d9371a7e2a9ca07b3a0609

      SHA1

      873c3a5b6a114fb2b149879f229423b49079853e

      SHA256

      897854329c4853316009a91147d009128e01031614fdfed9211167a8c0b78cc9

      SHA512

      23eb78dbabf26674f6085918e4aa16d6e2aea3d5e2d766af1315a36aa669f6ded85b61ff83869f6caafe597a3b1634654980420ffaa8310898745a926edc0f71

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nwn2w3mg.qgl.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB26.tmp

      Filesize

      1KB

      MD5

      5488976d262aedaa7128ee51ec0ce8f3

      SHA1

      0fe85b40f11050be740cf5f4aa36a9456eb38cc0

      SHA256

      920c8babfee626eeff60c40dc51f0f60078f92f5913cff3c82e1086344d91c9d

      SHA512

      848d053a9d1e4ba5a415912fa045d598a2dad4698b945ad90caaef74c1717eb5525a01cf294a593a4e39e66ff59a144c1c0d691d8d646f7d677f741cc7570835

    • memory/4272-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-97-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-39-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-94-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-95-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-96-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-103-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-98-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-99-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-100-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-101-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4272-102-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4468-3-0x0000000005290000-0x0000000005322000-memory.dmp

      Filesize

      584KB

    • memory/4468-12-0x000000000AA80000-0x000000000AB1C000-memory.dmp

      Filesize

      624KB

    • memory/4468-11-0x0000000006A50000-0x0000000006B0E000-memory.dmp

      Filesize

      760KB

    • memory/4468-52-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-10-0x00000000068A0000-0x00000000068AE000-memory.dmp

      Filesize

      56KB

    • memory/4468-9-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-8-0x000000007523E000-0x000000007523F000-memory.dmp

      Filesize

      4KB

    • memory/4468-7-0x00000000083C0000-0x00000000083DA000-memory.dmp

      Filesize

      104KB

    • memory/4468-6-0x0000000005400000-0x000000000540A000-memory.dmp

      Filesize

      40KB

    • memory/4468-5-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-4-0x0000000005440000-0x0000000005794000-memory.dmp

      Filesize

      3.3MB

    • memory/4468-2-0x0000000005940000-0x0000000005EE4000-memory.dmp

      Filesize

      5.6MB

    • memory/4468-1-0x00000000007A0000-0x00000000008A8000-memory.dmp

      Filesize

      1.0MB

    • memory/4468-0-0x000000007523E000-0x000000007523F000-memory.dmp

      Filesize

      4KB

    • memory/5020-53-0x0000000006330000-0x000000000634E000-memory.dmp

      Filesize

      120KB

    • memory/5020-81-0x00000000078D0000-0x0000000007966000-memory.dmp

      Filesize

      600KB

    • memory/5020-57-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

      Filesize

      304KB

    • memory/5020-18-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-17-0x0000000002A00000-0x0000000002A36000-memory.dmp

      Filesize

      216KB

    • memory/5020-20-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-78-0x0000000007C90000-0x000000000830A000-memory.dmp

      Filesize

      6.5MB

    • memory/5020-79-0x0000000007650000-0x000000000766A000-memory.dmp

      Filesize

      104KB

    • memory/5020-19-0x0000000005690000-0x0000000005CB8000-memory.dmp

      Filesize

      6.2MB

    • memory/5020-93-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-82-0x0000000007850000-0x0000000007861000-memory.dmp

      Filesize

      68KB

    • memory/5020-83-0x0000000007880000-0x000000000788E000-memory.dmp

      Filesize

      56KB

    • memory/5020-36-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-25-0x0000000005CC0000-0x0000000005D26000-memory.dmp

      Filesize

      408KB

    • memory/5020-24-0x0000000005520000-0x0000000005586000-memory.dmp

      Filesize

      408KB

    • memory/5020-54-0x00000000068C0000-0x000000000690C000-memory.dmp

      Filesize

      304KB

    • memory/5020-23-0x0000000005480000-0x00000000054A2000-memory.dmp

      Filesize

      136KB

    • memory/5036-80-0x00000000074F0000-0x00000000074FA000-memory.dmp

      Filesize

      40KB

    • memory/5036-92-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5036-86-0x00000000077A0000-0x00000000077A8000-memory.dmp

      Filesize

      32KB

    • memory/5036-85-0x00000000077C0000-0x00000000077DA000-memory.dmp

      Filesize

      104KB

    • memory/5036-26-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5036-38-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5036-22-0x0000000075230000-0x00000000759E0000-memory.dmp

      Filesize

      7.7MB

    • memory/5036-84-0x00000000076C0000-0x00000000076D4000-memory.dmp

      Filesize

      80KB

    • memory/5036-55-0x0000000007120000-0x0000000007152000-memory.dmp

      Filesize

      200KB

    • memory/5036-77-0x0000000007360000-0x0000000007403000-memory.dmp

      Filesize

      652KB

    • memory/5036-76-0x0000000006660000-0x000000000667E000-memory.dmp

      Filesize

      120KB

    • memory/5036-56-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

      Filesize

      304KB