Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 18:39

General

  • Target

    c008880967c64851e47f97ca7ed5a9f8d2029dd87b3ae6eb77f19c43d8fefd89.exe

  • Size

    1013KB

  • MD5

    8f251ec69c2faae7090b2bf78cfd4881

  • SHA1

    8cdc6e16ad2adcbb3002b772d05e78a725be2c9a

  • SHA256

    c008880967c64851e47f97ca7ed5a9f8d2029dd87b3ae6eb77f19c43d8fefd89

  • SHA512

    1b05341213933cbe65d39c402e58e042ec39bae56350201c04f0043e35cd39428b0aeed1737f3bc7765b79adbca94c58cfe6d177f0cb4ef9d79a053ed89381df

  • SSDEEP

    24576:K1+mRLN3T4GNvq1dtY4eyjT3ew6Bd8p/VDTNl8pT+qEl:aRpcGNvqdY4eyjTHW8p/hJqe

Malware Config

Extracted

Family

remcos

Botnet

THEONE

C2

45.66.231.218:4259

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-UII1DP

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c008880967c64851e47f97ca7ed5a9f8d2029dd87b3ae6eb77f19c43d8fefd89.exe
    "C:\Users\Admin\AppData\Local\Temp\c008880967c64851e47f97ca7ed5a9f8d2029dd87b3ae6eb77f19c43d8fefd89.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4688
    • 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\c008880967c64851e47f97ca7ed5a9f8d2029dd87b3ae6eb77f19c43d8fefd89.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1772
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RAFUlP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5076
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RAFUlP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8685.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2324
    • C:\Users\Admin\AppData\Local\Temp\c008880967c64851e47f97ca7ed5a9f8d2029dd87b3ae6eb77f19c43d8fefd89.exe
      "C:\Users\Admin\AppData\Local\Temp\c008880967c64851e47f97ca7ed5a9f8d2029dd87b3ae6eb77f19c43d8fefd89.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    2982e25695c039d44e29f706b436ce42

    SHA1

    468462303dcaecdb596b08b9f42eb819ab7eb56c

    SHA256

    d1511c016df23a9953404228239c36c57aad3cde3ce2caaa1fd90e1979dc2908

    SHA512

    1332ed0047b7d489681cf9304bc8ede8574aacbc6e6f57042e53a6b5e4b8b25edd9b0bd4761f14388592b25f7202dca3271097c47ca1653f3f99ca4ace7531a0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3k3jzj45.rxf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp8685.tmp

    Filesize

    1KB

    MD5

    cdad75064e0da7ad5aebe0bb6f7253df

    SHA1

    56239c16f182046ff64fac934648617b685d489f

    SHA256

    d75299ef38b45cf48fb1767de328e0ac7209152a20db98d506b1203e0e8e1b41

    SHA512

    4197ad40148e9977450ab9f411ed0c21e1eb8b55fc94a592bf01f17724dba9a964602cb32f830e66861d2ac6d63f023d340d1eb826551c10976e9fb596c0d87e

  • memory/1772-87-0x0000000007D40000-0x0000000007D51000-memory.dmp

    Filesize

    68KB

  • memory/1772-80-0x0000000006E00000-0x0000000006E1E000-memory.dmp

    Filesize

    120KB

  • memory/1772-22-0x0000000005950000-0x0000000005972000-memory.dmp

    Filesize

    136KB

  • memory/1772-54-0x0000000006D90000-0x0000000006DDC000-memory.dmp

    Filesize

    304KB

  • memory/1772-53-0x0000000006810000-0x000000000682E000-memory.dmp

    Filesize

    120KB

  • memory/1772-23-0x0000000006070000-0x00000000060D6000-memory.dmp

    Filesize

    408KB

  • memory/1772-13-0x0000000005260000-0x0000000005296000-memory.dmp

    Filesize

    216KB

  • memory/1772-15-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-14-0x0000000005A40000-0x0000000006068000-memory.dmp

    Filesize

    6.2MB

  • memory/1772-16-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-24-0x0000000006190000-0x00000000061F6000-memory.dmp

    Filesize

    408KB

  • memory/1772-61-0x00000000751F0000-0x000000007523C000-memory.dmp

    Filesize

    304KB

  • memory/1772-94-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/1772-60-0x00000000079F0000-0x0000000007A22000-memory.dmp

    Filesize

    200KB

  • memory/1772-41-0x0000000006200000-0x0000000006554000-memory.dmp

    Filesize

    3.3MB

  • memory/1772-90-0x0000000007E80000-0x0000000007E9A000-memory.dmp

    Filesize

    104KB

  • memory/1772-88-0x0000000007D70000-0x0000000007D7E000-memory.dmp

    Filesize

    56KB

  • memory/4688-43-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/4688-0-0x000000007496E000-0x000000007496F000-memory.dmp

    Filesize

    4KB

  • memory/4688-4-0x0000000005A90000-0x0000000005B22000-memory.dmp

    Filesize

    584KB

  • memory/4688-1-0x0000000000E20000-0x0000000000F24000-memory.dmp

    Filesize

    1.0MB

  • memory/4688-2-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/4688-3-0x0000000006150000-0x00000000066F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4688-8-0x0000000006E80000-0x0000000006F1C000-memory.dmp

    Filesize

    624KB

  • memory/4688-7-0x0000000006CC0000-0x0000000006D80000-memory.dmp

    Filesize

    768KB

  • memory/4688-6-0x0000000005D10000-0x0000000005D1E000-memory.dmp

    Filesize

    56KB

  • memory/4688-5-0x0000000005CF0000-0x0000000005D00000-memory.dmp

    Filesize

    64KB

  • memory/4784-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-114-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-56-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-57-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-131-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-130-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-123-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-122-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-115-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-98-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-107-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-55-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-106-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-103-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4784-97-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5076-89-0x0000000007050000-0x0000000007064000-memory.dmp

    Filesize

    80KB

  • memory/5076-18-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/5076-95-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/5076-91-0x0000000007130000-0x0000000007138000-memory.dmp

    Filesize

    32KB

  • memory/5076-86-0x0000000007090000-0x0000000007126000-memory.dmp

    Filesize

    600KB

  • memory/5076-85-0x0000000006E80000-0x0000000006E8A000-memory.dmp

    Filesize

    40KB

  • memory/5076-84-0x0000000006E10000-0x0000000006E2A000-memory.dmp

    Filesize

    104KB

  • memory/5076-83-0x0000000007450000-0x0000000007ACA000-memory.dmp

    Filesize

    6.5MB

  • memory/5076-82-0x0000000006CB0000-0x0000000006D53000-memory.dmp

    Filesize

    652KB

  • memory/5076-71-0x00000000751F0000-0x000000007523C000-memory.dmp

    Filesize

    304KB

  • memory/5076-25-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB