Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2025 08:45

General

  • Target

    b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588.exe

  • Size

    4.8MB

  • MD5

    db497afaaa939e9bd7706520873de8c7

  • SHA1

    9a032838d8587bd1e039220bb1bbe28b1c569ea5

  • SHA256

    b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588

  • SHA512

    a872f202d114739d2c8dbcafafdf88191adf6a3df51ab36c595371ab0b0343d3e8a838b07443f58d2d36251de8c027ad46a642317132bb5f088a70842b4f7959

  • SSDEEP

    98304:0qwXy+as4+EAF3bgrYIseiqvGyS0Z4VeNzXrCAuO9X2egv+qvDfLdYEnrQtp:0qw1VFkrOeXGt24VezXr1y+4DjdBnEX

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.42.12.75:2406

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    010325

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    010325-YWFFXL

  • 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.

  • Remcos family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588.exe
    "C:\Users\Admin\AppData\Local\Temp\b5bd1068644f0c38e7aa1cb38dcc40eacf146be9b43d8fd865fddee61ea9a588.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\iScrPaint.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\iScrPaint.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:624
      • C:\Users\Admin\AppData\Roaming\HostdockerMyp_beta\iScrPaint.exe
        C:\Users\Admin\AppData\Roaming\HostdockerMyp_beta\iScrPaint.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2116
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\SysWOW64\cmd.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1596
          • C:\Users\Admin\AppData\Local\Temp\WizardManage.exe
            C:\Users\Admin\AppData\Local\Temp\WizardManage.exe
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\80fb0f48

    Filesize

    1.6MB

    MD5

    e35fef5be6622001f64308013ee32651

    SHA1

    187fc8696b3ab0a828a02310524c1fe2b85ef340

    SHA256

    7fd5e475f5d756542c346744ef80c005bdfc402b2740f38cd47cfbdad47015c9

    SHA512

    ef5aa2a8d08d17812c6da322fcf6f624695877bcbb28150198e46e092460a7a25d8abc4926add1c9c933de19d735ef1763eb17de4bd62f324aea822f2259e749

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\WebUI.dll

    Filesize

    7.6MB

    MD5

    6c1f62d8fc49a7537c3690f7c420b89d

    SHA1

    29de3dc820b2ee1fbcfe5dfa417fdb5f1a5f3a9c

    SHA256

    5013320be9bc082cf6d9a4cf70929b38fe3ca95f4a6a8393f272d93a4a9966db

    SHA512

    dae8363bb3788b9165c18d638ce44addbb3a901c21b5b3892672ea8ad14cae9fd2fb56c818400c6b658252f9e6ba52534d0e1f09b6cd3c9a88e61386948347fa

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\iScrPaint.exe

    Filesize

    1.8MB

    MD5

    098ac4621ee0e855e0710710736c2955

    SHA1

    ce7b88657c3449d5d05591314aaa43bd3e32bdaa

    SHA256

    46afbf1cbd2e1b5e108c133d4079faddc7347231b0c48566fd967a3070745e7f

    SHA512

    3042785b81bd18b641f0a2b5d8aec8ef86f9bf1269421fb96d1db35a913e744eaff16d9da7a02c8001435d59befb9f26bc0bbfa6e794811abf4282ed68b185fe

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\lacquey.deb

    Filesize

    40KB

    MD5

    6de7326216218b8195340d815dc75262

    SHA1

    017f3895b98d9ed7ec02bc66945ec37aaed999e0

    SHA256

    3a021200937a56e8dad94ffa8ac24fbbe55d318e64fce36a61efe115f9de3653

    SHA512

    0060c2bf8c47ef5eb23abc4b63c597704501cc1dad2c9977e5e50a42d965ec99b7dcb54f14fbcc472e372f5d707d6bb075ff0e5edd0e72001c7dac58d5eaec57

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\stomatopod.cfg

    Filesize

    1.1MB

    MD5

    c5ded003ddd953a1284dd2cfafd0e632

    SHA1

    b3f974c9a9d035cc1ec990fba3ec5d12c5984073

    SHA256

    3bb40e1fb837a6c138db1aa048c4ecfb51cb91e99e37c6fcbd41fc48b7948d60

    SHA512

    ff7dea3773bebb92a6d92d2051b60fa428fc304ea24dbf66d44a6ae85bef4a1370899423997609eafd973ee8ffeb685ade27af0d42a6cc800aa573dfccc9c6d4

  • C:\Users\Admin\AppData\Local\Temp\WizardManage.exe

    Filesize

    433KB

    MD5

    fea067901f48a5f1faf7ca3b373f1a8f

    SHA1

    e8abe0deb87de9fe3bb3a611234584e9a9b17cce

    SHA256

    bf24b2f3e3a3c60ed116791b99e5421a4de34ac9c6e2201d34ab487e448ce152

    SHA512

    07c83a2d3d5dd475bc8aa48eba9b03e8fb742dbbd7bd623ed05dc1086efed7dfd1c1b8f037ee2e81efba1de58ea3243d7c84ac8b484e808cd28765f9c7517023

  • memory/624-30-0x0000000000400000-0x000000000061B000-memory.dmp

    Filesize

    2.1MB

  • memory/624-22-0x00000000749B0000-0x0000000074B2B000-memory.dmp

    Filesize

    1.5MB

  • memory/624-23-0x00007FFDC71B0000-0x00007FFDC73A5000-memory.dmp

    Filesize

    2.0MB

  • memory/1596-43-0x00000000749B0000-0x0000000074B2B000-memory.dmp

    Filesize

    1.5MB

  • memory/1596-46-0x00000000749B0000-0x0000000074B2B000-memory.dmp

    Filesize

    1.5MB

  • memory/1596-42-0x00007FFDC71B0000-0x00007FFDC73A5000-memory.dmp

    Filesize

    2.0MB

  • memory/1948-56-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-58-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-66-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-53-0x00007FFDC71B0000-0x00007FFDC73A5000-memory.dmp

    Filesize

    2.0MB

  • memory/1948-54-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-65-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-57-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-64-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-59-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-60-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-61-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-62-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1948-63-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/2116-38-0x00000000749B0000-0x0000000074B2B000-memory.dmp

    Filesize

    1.5MB

  • memory/2116-36-0x00000000749B0000-0x0000000074B2B000-memory.dmp

    Filesize

    1.5MB

  • memory/2116-37-0x00007FFDC71B0000-0x00007FFDC73A5000-memory.dmp

    Filesize

    2.0MB