Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 05:09

General

  • Target

    c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe

  • Size

    1.1MB

  • MD5

    d961a05e5efceee1b56c46d392c7407f

  • SHA1

    7d179a2e17b72f02e8480d68a750c7b9c83e3cd1

  • SHA256

    c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18

  • SHA512

    15110ae42fe92ba8cb4438c9aea1d20952a78856e8f2c0da7da5913f41b083238674219903589dcecce2c2b65bdd9940e823d291ff840a93429457f80962fdd1

  • SSDEEP

    24576:r30Vvkk49eS8w0K1CrZOecyCvRChKUmLG2:r344ww0K1CrQecyzRmLG

Malware Config

Extracted

Family

remcos

Botnet

noon

C2

79.134.225.121:1200

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-6F12P7

  • 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

  • take_screenshot_title

    notepad;solitaire;

Signatures

  • Remcos

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

  • Remcos family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe
    "C:\Users\Admin\AppData\Local\Temp\c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FWBWoxNaDhm.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FWBWoxNaDhm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4541.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3176
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uvozeloo.t3e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp4541.tmp

    Filesize

    1KB

    MD5

    0e930f42754b4eb15afedd370088d8e3

    SHA1

    9c9f408792a12f9e7d7ec087367f5bb7f459ee6a

    SHA256

    c6e9de42892869224b9bc93daf216ce37ba6ef38134471b45dabad8e0ef005d6

    SHA512

    d27fc2f203ada0a5dc714438b333093598a703bf5bb88d069a050cdb963adf48bd48042d957c9ebf9ccaed07cb20b11b2b437b02a0e793b656b51c63f9d71aa5

  • C:\Users\Admin\AppData\Roaming\remcos\logs.dat

    Filesize

    144B

    MD5

    d62d1bf0959b0975bcf32ab4d137865b

    SHA1

    c463f0559c7578d2fa5f808b0b892dc6c7dcef15

    SHA256

    59df43c4211535e842f7ae0442d2d2788d52ae25e236ff36db73c465840ec2d4

    SHA512

    b9bff319b35c6922d63c1606f24ee2e40bf970a7a37a94d7f16ea6b0ec1dfc47dc2afd15f58869fb75fe7d59c0c75380f509efd363f564d58759eb48a14c6051

  • memory/2816-113-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-115-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-148-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-147-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-146-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-145-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-143-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-83-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-142-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-140-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-139-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-138-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-137-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-135-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-134-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-31-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-33-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-132-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-28-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-27-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-131-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-25-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-130-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-129-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-127-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-126-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-124-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-21-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-123-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-122-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-121-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-119-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-118-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-117-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-114-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-111-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-80-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-65-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-108-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-107-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-106-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-105-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-103-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-73-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-75-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-76-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-77-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-79-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-110-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-102-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-97-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-85-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-86-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-87-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-89-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-90-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-91-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-92-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-94-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-95-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-101-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-98-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2816-99-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3712-61-0x0000000007580000-0x000000000759A000-memory.dmp

    Filesize

    104KB

  • memory/3712-22-0x0000000005380000-0x00000000053A2000-memory.dmp

    Filesize

    136KB

  • memory/3712-72-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3712-69-0x00000000078A0000-0x00000000078A8000-memory.dmp

    Filesize

    32KB

  • memory/3712-68-0x00000000078C0000-0x00000000078DA000-memory.dmp

    Filesize

    104KB

  • memory/3712-67-0x00000000077C0000-0x00000000077D4000-memory.dmp

    Filesize

    80KB

  • memory/3712-66-0x00000000077B0000-0x00000000077BE000-memory.dmp

    Filesize

    56KB

  • memory/3712-47-0x0000000007240000-0x0000000007272000-memory.dmp

    Filesize

    200KB

  • memory/3712-63-0x0000000007800000-0x0000000007896000-memory.dmp

    Filesize

    600KB

  • memory/3712-17-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3712-43-0x0000000005C70000-0x0000000005FC4000-memory.dmp

    Filesize

    3.3MB

  • memory/3712-15-0x0000000004CC0000-0x0000000004CF6000-memory.dmp

    Filesize

    216KB

  • memory/3712-59-0x0000000007480000-0x0000000007523000-memory.dmp

    Filesize

    652KB

  • memory/3712-60-0x0000000007BC0000-0x000000000823A000-memory.dmp

    Filesize

    6.5MB

  • memory/3712-45-0x0000000006320000-0x000000000636C000-memory.dmp

    Filesize

    304KB

  • memory/3712-58-0x0000000006820000-0x000000000683E000-memory.dmp

    Filesize

    120KB

  • memory/3712-48-0x00000000700D0000-0x000000007011C000-memory.dmp

    Filesize

    304KB

  • memory/3712-64-0x0000000007780000-0x0000000007791000-memory.dmp

    Filesize

    68KB

  • memory/3712-19-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3712-26-0x0000000005C00000-0x0000000005C66000-memory.dmp

    Filesize

    408KB

  • memory/3712-44-0x0000000006230000-0x000000000624E000-memory.dmp

    Filesize

    120KB

  • memory/3712-18-0x00000000054F0000-0x0000000005B18000-memory.dmp

    Filesize

    6.2MB

  • memory/3712-24-0x0000000005B20000-0x0000000005B86000-memory.dmp

    Filesize

    408KB

  • memory/3712-62-0x00000000075F0000-0x00000000075FA000-memory.dmp

    Filesize

    40KB

  • memory/3968-6-0x0000000005140000-0x000000000514E000-memory.dmp

    Filesize

    56KB

  • memory/3968-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

    Filesize

    5.6MB

  • memory/3968-1-0x0000000000330000-0x0000000000448000-memory.dmp

    Filesize

    1.1MB

  • memory/3968-20-0x0000000006150000-0x00000000061CA000-memory.dmp

    Filesize

    488KB

  • memory/3968-4-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-0-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/3968-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

    Filesize

    584KB

  • memory/3968-10-0x0000000007FD0000-0x00000000080CA000-memory.dmp

    Filesize

    1000KB

  • memory/3968-9-0x0000000007B60000-0x0000000007BFC000-memory.dmp

    Filesize

    624KB

  • memory/3968-8-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-7-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/3968-46-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3968-5-0x0000000005000000-0x000000000500A000-memory.dmp

    Filesize

    40KB