Analysis

  • max time kernel
    149s
  • 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
    03-02-2025 06:37

General

  • Target

    DHL AWB# 15700638.exe

  • Size

    972KB

  • MD5

    185c9b9945409c3d3d90d76a6b32ebb1

  • SHA1

    7797db82d41d3a3504f578bad1280c3be5f77826

  • SHA256

    79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406

  • SHA512

    06bfd7c742ec0a69dcbd18b2caf2a62c948aee7760bc224d6bd81d3356dfe0dc6e847912a5d0d0c4a0e6b7c51caaaf4af8d2df4eaabda0fe2417361c44e20977

  • SSDEEP

    24576:AwerXiN/Ylh7bP67DPxscfEBiLHoZmI8eqDW:Aw8oA+Px6iL8qW

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

176.65.144.121:5689

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

    5867-V7HPI7

  • 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

Signatures

  • Remcos

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

  • Remcos family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 4 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB# 15700638.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB# 15700638.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JWXNZxZzQRvzLR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1448
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JWXNZxZzQRvzLR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB92E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1208
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB# 15700638.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB# 15700638.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e24mm1rz.4gq.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB92E.tmp

    Filesize

    1KB

    MD5

    1bde3dac45f49fd209c6a68540341fa0

    SHA1

    ac8da40ea0ef1cd50d3497fd7ceb458e62429963

    SHA256

    5ca6c87e067dfe11bbf02fd0a9987d23a205cfaabf95228ab06a66fa1a3f5336

    SHA512

    622af96200a21837a4abb08edda4e2f6fc57642b283bf98e64d0cffb57d7c79fe0f9c4be03a21157fbc44b364208194119d00a58e0fa39f29411dad8a629970f

  • memory/1448-64-0x0000000007B40000-0x0000000007B5A000-memory.dmp

    Filesize

    104KB

  • memory/1448-65-0x0000000007B20000-0x0000000007B28000-memory.dmp

    Filesize

    32KB

  • memory/1448-41-0x00000000064E0000-0x00000000064FE000-memory.dmp

    Filesize

    120KB

  • memory/1448-68-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-63-0x0000000007A40000-0x0000000007A54000-memory.dmp

    Filesize

    80KB

  • memory/1448-62-0x0000000007A30000-0x0000000007A3E000-memory.dmp

    Filesize

    56KB

  • memory/1448-61-0x0000000007A00000-0x0000000007A11000-memory.dmp

    Filesize

    68KB

  • memory/1448-60-0x0000000007A80000-0x0000000007B16000-memory.dmp

    Filesize

    600KB

  • memory/1448-59-0x0000000007870000-0x000000000787A000-memory.dmp

    Filesize

    40KB

  • memory/1448-15-0x0000000004EA0000-0x0000000004ED6000-memory.dmp

    Filesize

    216KB

  • memory/1448-16-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-17-0x0000000005560000-0x0000000005B88000-memory.dmp

    Filesize

    6.2MB

  • memory/1448-18-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-42-0x0000000006830000-0x000000000687C000-memory.dmp

    Filesize

    304KB

  • memory/1448-23-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1448-22-0x0000000005EA0000-0x0000000005F06000-memory.dmp

    Filesize

    408KB

  • memory/1448-21-0x0000000005D80000-0x0000000005DE6000-memory.dmp

    Filesize

    408KB

  • memory/1448-57-0x0000000007EC0000-0x000000000853A000-memory.dmp

    Filesize

    6.5MB

  • memory/1448-56-0x00000000074E0000-0x0000000007583000-memory.dmp

    Filesize

    652KB

  • memory/1448-55-0x0000000006AD0000-0x0000000006AEE000-memory.dmp

    Filesize

    120KB

  • memory/1448-32-0x0000000005F10000-0x0000000006264000-memory.dmp

    Filesize

    3.3MB

  • memory/1448-45-0x000000006FC70000-0x000000006FCBC000-memory.dmp

    Filesize

    304KB

  • memory/1448-20-0x0000000005500000-0x0000000005522000-memory.dmp

    Filesize

    136KB

  • memory/1448-44-0x0000000006A90000-0x0000000006AC2000-memory.dmp

    Filesize

    200KB

  • memory/1448-58-0x00000000075F0000-0x000000000760A000-memory.dmp

    Filesize

    104KB

  • memory/2480-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2480-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4884-5-0x0000000005430000-0x000000000543A000-memory.dmp

    Filesize

    40KB

  • memory/4884-7-0x00000000056D0000-0x00000000056EE000-memory.dmp

    Filesize

    120KB

  • memory/4884-8-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/4884-3-0x0000000005480000-0x0000000005512000-memory.dmp

    Filesize

    584KB

  • memory/4884-9-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4884-10-0x000000000A9E0000-0x000000000AAA0000-memory.dmp

    Filesize

    768KB

  • memory/4884-2-0x0000000005B90000-0x0000000006134000-memory.dmp

    Filesize

    5.6MB

  • memory/4884-43-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4884-1-0x0000000000990000-0x0000000000A8A000-memory.dmp

    Filesize

    1000KB

  • memory/4884-6-0x0000000005710000-0x00000000057AC000-memory.dmp

    Filesize

    624KB

  • memory/4884-0-0x000000007521E000-0x000000007521F000-memory.dmp

    Filesize

    4KB

  • memory/4884-4-0x0000000075210000-0x00000000759C0000-memory.dmp

    Filesize

    7.7MB