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
    27-12-2024 21:29

General

  • Target

    3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe

  • Size

    893KB

  • MD5

    205f6af195f367a1f6f0d3e591c7d226

  • SHA1

    883e78287a64bac5435beada7b5f283c11df9a8f

  • SHA256

    3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a

  • SHA512

    defce7df2c8b0fcfc6cd93bad5736e0262c616e4a75647619382b064604ea3fc785832ea40c0e84006817110d2fca6f4ae461011ad70699231c4a614c6fc87c2

  • SSDEEP

    24576:WNo7gN9rqhq/5UqutCi1BDUTskujqA5pd6p3MFHdIvYV/:QL2hq/6q1i1h4v3A5pdSOWvY1

Malware Config

Extracted

Family

remcos

Botnet

cee

C2

cee.work.gd:2531

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    vlc

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    ios

  • mouse_option

    false

  • mutex

    gig-1IH5DX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    sos

  • 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 11 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\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe
    "C:\Users\Admin\AppData\Local\Temp\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.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:3548
    • 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\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1168
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xASiLfzXONGIW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3192
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xASiLfzXONGIW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2268.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:924
    • C:\Users\Admin\AppData\Local\Temp\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe
      "C:\Users\Admin\AppData\Local\Temp\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\ios\logs.dat

    Filesize

    144B

    MD5

    2200b317dfbd8a5ac5ef47baf4b0f100

    SHA1

    c4e4724f7ae6a51effd5de4aec950caa3cb91c4d

    SHA256

    cb9649ccda72da85f455ca34c805285ff8d0bcdf41c24fa0fb439d85dd128350

    SHA512

    44e2c2996b706e7e61b92481e1bd12bc5b5fedd18163bac34c96cd7a90c28114e7de5b80619b66380c0fdbc6940f5be5617f8dc4946d053157de831b7962eaa8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0japp1s3.cl0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp2268.tmp

    Filesize

    1KB

    MD5

    70c75bdf2d3fcd0c2fe828600c05842b

    SHA1

    8bee5365cba1335bac3ba924f9738c81c9053a2c

    SHA256

    10e0f1a5d139a3a18cc55eda6dc2bfc1ce29211f8e04cb5ad41eb286aeafdb75

    SHA512

    5a3de4d402aba58c89f7a964ec90dbbcf81ea2c9e346ac9d435276267521db37a2602bd1b1403bc523d5834846e5547acc2da4cdb73dd1d1f4fe46fd234de612

  • memory/1168-89-0x0000000007CC0000-0x0000000007CD4000-memory.dmp

    Filesize

    80KB

  • memory/1168-45-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-83-0x0000000007A80000-0x0000000007A9A000-memory.dmp

    Filesize

    104KB

  • memory/1168-80-0x00000000076B0000-0x00000000076CE000-memory.dmp

    Filesize

    120KB

  • memory/1168-60-0x0000000073190000-0x00000000731DC000-memory.dmp

    Filesize

    304KB

  • memory/1168-84-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

    Filesize

    40KB

  • memory/1168-88-0x0000000007CB0000-0x0000000007CBE000-memory.dmp

    Filesize

    56KB

  • memory/1168-82-0x00000000080C0000-0x000000000873A000-memory.dmp

    Filesize

    6.5MB

  • memory/1168-15-0x00000000051A0000-0x00000000051D6000-memory.dmp

    Filesize

    216KB

  • memory/1168-16-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-17-0x0000000005910000-0x0000000005F38000-memory.dmp

    Filesize

    6.2MB

  • memory/1168-86-0x0000000007D00000-0x0000000007D96000-memory.dmp

    Filesize

    600KB

  • memory/1168-40-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-95-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-22-0x0000000005560000-0x00000000055C6000-memory.dmp

    Filesize

    408KB

  • memory/3192-58-0x0000000005D10000-0x0000000005D5C000-memory.dmp

    Filesize

    304KB

  • memory/3192-20-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-94-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-31-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-81-0x0000000006E20000-0x0000000006EC3000-memory.dmp

    Filesize

    652KB

  • memory/3192-19-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-91-0x0000000007290000-0x0000000007298000-memory.dmp

    Filesize

    32KB

  • memory/3192-90-0x00000000072B0000-0x00000000072CA000-memory.dmp

    Filesize

    104KB

  • memory/3192-61-0x0000000073190000-0x00000000731DC000-memory.dmp

    Filesize

    304KB

  • memory/3192-59-0x0000000006220000-0x0000000006252000-memory.dmp

    Filesize

    200KB

  • memory/3192-33-0x0000000005640000-0x0000000005994000-memory.dmp

    Filesize

    3.3MB

  • memory/3192-48-0x0000000005C50000-0x0000000005C6E000-memory.dmp

    Filesize

    120KB

  • memory/3192-21-0x00000000054C0000-0x00000000054E2000-memory.dmp

    Filesize

    136KB

  • memory/3192-87-0x0000000007170000-0x0000000007181000-memory.dmp

    Filesize

    68KB

  • memory/3192-24-0x00000000055D0000-0x0000000005636000-memory.dmp

    Filesize

    408KB

  • memory/3548-8-0x0000000005880000-0x0000000005892000-memory.dmp

    Filesize

    72KB

  • memory/3548-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

    Filesize

    4KB

  • memory/3548-9-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3548-10-0x0000000007C00000-0x0000000007CC0000-memory.dmp

    Filesize

    768KB

  • memory/3548-7-0x00000000746CE000-0x00000000746CF000-memory.dmp

    Filesize

    4KB

  • memory/3548-6-0x0000000005780000-0x000000000581C000-memory.dmp

    Filesize

    624KB

  • memory/3548-39-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3548-5-0x0000000005560000-0x000000000556A000-memory.dmp

    Filesize

    40KB

  • memory/3548-4-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3548-3-0x00000000054A0000-0x0000000005532000-memory.dmp

    Filesize

    584KB

  • memory/3548-2-0x0000000005990000-0x0000000005F34000-memory.dmp

    Filesize

    5.6MB

  • memory/3548-1-0x00000000009D0000-0x0000000000AB6000-memory.dmp

    Filesize

    920KB

  • memory/3884-99-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-127-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-96-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-98-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-101-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-102-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-103-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-104-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-105-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-107-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-108-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-110-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-111-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-112-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-113-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-115-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-116-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-118-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-119-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-120-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-121-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-123-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-124-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-126-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-130-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-131-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-132-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-134-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-135-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-136-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-138-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-139-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-140-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-142-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-143-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-144-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-146-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-147-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-148-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-150-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-151-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-152-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-154-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-155-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-156-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-158-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-159-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-160-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-162-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-163-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-164-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-166-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-167-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-168-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-170-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3884-171-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB