Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 20:16

General

  • Target

    2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe

  • Size

    716KB

  • MD5

    2bd00003a9b9f5ba28316b1ab9fa43b1

  • SHA1

    d042c63fae4cb5aea3b0356077a92f45f751a546

  • SHA256

    333b4d4d8ba6b00d0500af8555909fd28a9b166ca7ec753ee3bcd262359397e2

  • SHA512

    4d9dff492505787e48e05944dd88d24ae748c39423c320e00df67352bd3766486b3c394d12f3308dd89bac5ad92c5cb4a870a625c62dc9db9d87da375a0292f0

  • SSDEEP

    12288:YSGQ6/NInfYTy0I4DU1kTWI4buOeBEN6PXnwfqGUu9RpctEXZ6vEU9LT0:LZfYuzEUAWwfRXn5o+Rs+k

Score
10/10

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

RemoteHost

C2

salford1.ddns.net:2404

salford2.ddns.net:2404

salford3.ddns.net:2404

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-EOP31A

  • 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

    wikipedia;solitaire;

Signatures

  • Remcos

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

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1608
    • 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\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1932
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ESxaCYxjHn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3DEE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4268
    • C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\2bd00003a9b9f5ba28316b1ab9fa43b1_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fjcvum4h.2rg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    148B

    MD5

    e64fc6d4f2da7883f4c6f322b545d6b5

    SHA1

    34d2d3202394f9b05de310296ac132850805baac

    SHA256

    ac9be7817ed6c9d9ce439898e46eefab463088ba061a67d0fdb59a75f36b2c22

    SHA512

    2b2cf6c4eb769b2ed12b9707ffa760b425f33ab2c52d3d9f08a133eac903a1c7fa55f6a930bdef4dd8903a767f4e129febcacf45d77d1bb1273e012561d6aef6

  • memory/1608-6-0x00000000062C0000-0x000000000635C000-memory.dmp

    Filesize

    624KB

  • memory/1608-3-0x0000000004D40000-0x0000000004DD2000-memory.dmp

    Filesize

    584KB

  • memory/1608-4-0x0000000004D20000-0x0000000004D30000-memory.dmp

    Filesize

    64KB

  • memory/1608-5-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

    Filesize

    40KB

  • memory/1608-30-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1608-7-0x00000000053C0000-0x00000000053CE000-memory.dmp

    Filesize

    56KB

  • memory/1608-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1608-9-0x0000000004D20000-0x0000000004D30000-memory.dmp

    Filesize

    64KB

  • memory/1608-10-0x000000000A000000-0x000000000A09C000-memory.dmp

    Filesize

    624KB

  • memory/1608-0-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1608-2-0x00000000053D0000-0x0000000005974000-memory.dmp

    Filesize

    5.6MB

  • memory/1608-1-0x00000000002C0000-0x000000000037C000-memory.dmp

    Filesize

    752KB

  • memory/1932-68-0x0000000007600000-0x000000000761A000-memory.dmp

    Filesize

    104KB

  • memory/1932-43-0x0000000005BC0000-0x0000000005F14000-memory.dmp

    Filesize

    3.3MB

  • memory/1932-20-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

    Filesize

    64KB

  • memory/1932-69-0x00000000075E0000-0x00000000075E8000-memory.dmp

    Filesize

    32KB

  • memory/1932-27-0x0000000005200000-0x0000000005828000-memory.dmp

    Filesize

    6.2MB

  • memory/1932-28-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

    Filesize

    64KB

  • memory/1932-66-0x00000000074F0000-0x00000000074FE000-memory.dmp

    Filesize

    56KB

  • memory/1932-19-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1932-67-0x0000000007500000-0x0000000007514000-memory.dmp

    Filesize

    80KB

  • memory/1932-31-0x00000000050D0000-0x00000000050F2000-memory.dmp

    Filesize

    136KB

  • memory/1932-33-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

  • memory/1932-32-0x0000000005170000-0x00000000051D6000-memory.dmp

    Filesize

    408KB

  • memory/1932-17-0x0000000002670000-0x00000000026A6000-memory.dmp

    Filesize

    216KB

  • memory/1932-72-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1932-44-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

    Filesize

    120KB

  • memory/1932-45-0x0000000006000000-0x000000000604C000-memory.dmp

    Filesize

    304KB

  • memory/1932-46-0x0000000004BC0000-0x0000000004BD0000-memory.dmp

    Filesize

    64KB

  • memory/1932-47-0x0000000006570000-0x00000000065A2000-memory.dmp

    Filesize

    200KB

  • memory/1932-48-0x0000000070FD0000-0x000000007101C000-memory.dmp

    Filesize

    304KB

  • memory/1932-58-0x0000000006550000-0x000000000656E000-memory.dmp

    Filesize

    120KB

  • memory/1932-59-0x0000000006FA0000-0x0000000007043000-memory.dmp

    Filesize

    652KB

  • memory/1932-60-0x0000000007900000-0x0000000007F7A000-memory.dmp

    Filesize

    6.5MB

  • memory/1932-61-0x00000000072C0000-0x00000000072DA000-memory.dmp

    Filesize

    104KB

  • memory/1932-63-0x0000000007330000-0x000000000733A000-memory.dmp

    Filesize

    40KB

  • memory/1932-64-0x0000000007540000-0x00000000075D6000-memory.dmp

    Filesize

    600KB

  • memory/1932-65-0x00000000074C0000-0x00000000074D1000-memory.dmp

    Filesize

    68KB

  • memory/3412-16-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3412-26-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3412-29-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3412-24-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3412-21-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3412-76-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

  • memory/3412-18-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB