Analysis

  • max time kernel
    149s
  • 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
    09-10-2024 08:15

General

  • Target

    935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe

  • Size

    944KB

  • MD5

    b8d56a76c20f7112dad67dcf0ed7db76

  • SHA1

    de67506c08d6fef79fff815e27cda68403980fc9

  • SHA256

    935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea

  • SHA512

    8211cd38a129df696ce6b5909990095c1762db549ca6c3781027c9394bb835812401237c669cdb72acb9941cf068fea1935719817bbe752a5a7df772293075ec

  • SSDEEP

    12288:snC0mUwAF27PpvOvGrAl+5tbmzaCKqk0eua+ANHNAtFDQEa5g3M5JQCjXPpXylhd:KmUXFYpRrZ55jCKq/etMeDgc5PjN6cE

Malware Config

Extracted

Family

remcos

Botnet

mekus

C2

dpm-sael.com:2017

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

    meckus-ODY51K

  • 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).

  • 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 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\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
    "C:\Users\Admin\AppData\Local\Temp\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.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:760
    • 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\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RhFlTiIjgELLJp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4044
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RhFlTiIjgELLJp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB46B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2080
    • C:\Users\Admin\AppData\Local\Temp\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe
      "C:\Users\Admin\AppData\Local\Temp\935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    c0cdeb6c74dac9fd87778098199f63b3

    SHA1

    0232117f5ec6f9135e8923c718eceaf82599e2e6

    SHA256

    5d02902a52b4bf36ec1940c0784d3493536b9afee2dcfcc1ba903e5265a15a4d

    SHA512

    2eb9d0e530d816d874028f8f14a65f99129287c5bb165a87e2397d9b5cc9a8bdb243a33f7d9d20553d8166da78ea4e08195b9d5aaf9c8044df9b0cb25553ad2d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_52yc2pnq.ild.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB46B.tmp

    Filesize

    1KB

    MD5

    7c18de7331bf3eefefe14cb14c830426

    SHA1

    b1eba80ac7a70cf4bb9f621a51b3d8b61389a7cd

    SHA256

    cda0f98e9bc5fa0bd856a90ac282abc43b2ebfe121869e9e9f1f9e5e216b1954

    SHA512

    d5e78476836941c231c4268503dca0e8a59326058665a3c28df50fc2f9618c44981a231d546caad04e8a93c372bc7392fe720e07319a1bb517e5434dc45a63f3

  • memory/760-5-0x0000000005250000-0x000000000525A000-memory.dmp

    Filesize

    40KB

  • memory/760-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

    Filesize

    4KB

  • memory/760-3-0x0000000005170000-0x0000000005202000-memory.dmp

    Filesize

    584KB

  • memory/760-4-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/760-53-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/760-6-0x0000000007B70000-0x0000000007B88000-memory.dmp

    Filesize

    96KB

  • memory/760-7-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

    Filesize

    4KB

  • memory/760-8-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/760-9-0x0000000007BA0000-0x0000000007C60000-memory.dmp

    Filesize

    768KB

  • memory/760-10-0x000000000A370000-0x000000000A40C000-memory.dmp

    Filesize

    624KB

  • memory/760-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

    Filesize

    5.6MB

  • memory/760-1-0x00000000007E0000-0x00000000008D2000-memory.dmp

    Filesize

    968KB

  • memory/2660-93-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-16-0x0000000004E10000-0x0000000005438000-memory.dmp

    Filesize

    6.2MB

  • memory/2660-21-0x0000000005440000-0x0000000005462000-memory.dmp

    Filesize

    136KB

  • memory/2660-23-0x0000000005640000-0x00000000056A6000-memory.dmp

    Filesize

    408KB

  • memory/2660-17-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-31-0x00000000056B0000-0x0000000005A04000-memory.dmp

    Filesize

    3.3MB

  • memory/2660-18-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-15-0x00000000023B0000-0x00000000023E6000-memory.dmp

    Filesize

    216KB

  • memory/2660-22-0x0000000005520000-0x0000000005586000-memory.dmp

    Filesize

    408KB

  • memory/2660-85-0x00000000071F0000-0x0000000007201000-memory.dmp

    Filesize

    68KB

  • memory/2660-82-0x0000000007060000-0x000000000706A000-memory.dmp

    Filesize

    40KB

  • memory/2660-81-0x0000000006FF0000-0x000000000700A000-memory.dmp

    Filesize

    104KB

  • memory/2660-69-0x0000000075610000-0x000000007565C000-memory.dmp

    Filesize

    304KB

  • memory/2660-54-0x0000000005CC0000-0x0000000005CDE000-memory.dmp

    Filesize

    120KB

  • memory/2660-55-0x0000000006210000-0x000000000625C000-memory.dmp

    Filesize

    304KB

  • memory/2660-25-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/3812-97-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-117-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-171-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-169-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-56-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-168-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-167-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-165-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-52-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-49-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-164-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-84-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-48-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-163-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-161-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-160-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-157-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-156-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-94-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-96-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-154-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-99-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-100-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-101-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-102-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-105-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-106-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-108-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-110-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-153-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-112-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-113-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-114-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-116-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-150-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-118-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-120-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-121-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-122-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-123-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-126-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-127-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-130-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-131-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-133-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-134-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-135-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-137-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-138-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-139-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-141-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-142-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-143-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-144-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-146-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-147-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3812-149-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-87-0x0000000006F60000-0x0000000006F74000-memory.dmp

    Filesize

    80KB

  • memory/4044-36-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-20-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-92-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-89-0x0000000007040000-0x0000000007048000-memory.dmp

    Filesize

    32KB

  • memory/4044-88-0x0000000007060000-0x000000000707A000-memory.dmp

    Filesize

    104KB

  • memory/4044-19-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/4044-86-0x0000000006F50000-0x0000000006F5E000-memory.dmp

    Filesize

    56KB

  • memory/4044-79-0x0000000006BF0000-0x0000000006C93000-memory.dmp

    Filesize

    652KB

  • memory/4044-80-0x0000000007360000-0x00000000079DA000-memory.dmp

    Filesize

    6.5MB

  • memory/4044-83-0x0000000006FA0000-0x0000000007036000-memory.dmp

    Filesize

    600KB

  • memory/4044-68-0x0000000006B70000-0x0000000006B8E000-memory.dmp

    Filesize

    120KB

  • memory/4044-57-0x0000000006BB0000-0x0000000006BE2000-memory.dmp

    Filesize

    200KB

  • memory/4044-58-0x0000000075610000-0x000000007565C000-memory.dmp

    Filesize

    304KB