Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-02-2025 04:13

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:3304
    • 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:3224
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JWXNZxZzQRvzLR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD225.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5104
    • 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:3640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_avb1tat4.a0h.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD225.tmp

    Filesize

    1KB

    MD5

    b8c2c6385d26c6721fd44db268179aeb

    SHA1

    3b5adfc92ac2b71afed5ff7600e0cb8ad1d5c1a8

    SHA256

    b73592673c4bd792a17366778b221afefacdc9de193fe3593a1432090bb6af4b

    SHA512

    bcfac485fbbde723edb73079e2c733bff737a13e792feabdfbc3ed8af7d13b0dbe8f39e0d6bb7b33680fa071a613f8e30b735aac5e944754b73177b2574293ef

  • memory/3224-41-0x0000000006920000-0x000000000693E000-memory.dmp

    Filesize

    120KB

  • memory/3224-22-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3224-19-0x0000000005980000-0x00000000059A2000-memory.dmp

    Filesize

    136KB

  • memory/3224-42-0x00000000069B0000-0x00000000069FC000-memory.dmp

    Filesize

    304KB

  • memory/3224-67-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3224-64-0x0000000007F60000-0x0000000007F68000-memory.dmp

    Filesize

    32KB

  • memory/3224-63-0x0000000007F80000-0x0000000007F9A000-memory.dmp

    Filesize

    104KB

  • memory/3224-62-0x0000000007E80000-0x0000000007E94000-memory.dmp

    Filesize

    80KB

  • memory/3224-43-0x0000000006EE0000-0x0000000006F12000-memory.dmp

    Filesize

    200KB

  • memory/3224-21-0x00000000060E0000-0x0000000006146000-memory.dmp

    Filesize

    408KB

  • memory/3224-20-0x0000000006070000-0x00000000060D6000-memory.dmp

    Filesize

    408KB

  • memory/3224-60-0x0000000007E40000-0x0000000007E51000-memory.dmp

    Filesize

    68KB

  • memory/3224-59-0x0000000007EC0000-0x0000000007F56000-memory.dmp

    Filesize

    600KB

  • memory/3224-58-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

    Filesize

    40KB

  • memory/3224-16-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3224-57-0x0000000007C40000-0x0000000007C5A000-memory.dmp

    Filesize

    104KB

  • memory/3224-56-0x0000000008280000-0x00000000088FA000-memory.dmp

    Filesize

    6.5MB

  • memory/3224-55-0x0000000007910000-0x00000000079B3000-memory.dmp

    Filesize

    652KB

  • memory/3224-29-0x0000000006320000-0x0000000006674000-memory.dmp

    Filesize

    3.3MB

  • memory/3224-54-0x0000000006EB0000-0x0000000006ECE000-memory.dmp

    Filesize

    120KB

  • memory/3224-31-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3224-18-0x0000000005A40000-0x0000000006068000-memory.dmp

    Filesize

    6.2MB

  • memory/3224-15-0x00000000053D0000-0x0000000005406000-memory.dmp

    Filesize

    216KB

  • memory/3224-44-0x0000000074D80000-0x0000000074DCC000-memory.dmp

    Filesize

    304KB

  • memory/3224-61-0x0000000007E70000-0x0000000007E7E000-memory.dmp

    Filesize

    56KB

  • memory/3304-9-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

    Filesize

    5.6MB

  • memory/3304-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

    Filesize

    4KB

  • memory/3304-1-0x0000000000630000-0x000000000072A000-memory.dmp

    Filesize

    1000KB

  • memory/3304-30-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-3-0x00000000050E0000-0x0000000005172000-memory.dmp

    Filesize

    584KB

  • memory/3304-4-0x0000000005270000-0x000000000527A000-memory.dmp

    Filesize

    40KB

  • memory/3304-5-0x00000000744F0000-0x0000000074CA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3304-10-0x000000000A3A0000-0x000000000A460000-memory.dmp

    Filesize

    768KB

  • memory/3304-8-0x00000000744FE000-0x00000000744FF000-memory.dmp

    Filesize

    4KB

  • memory/3304-7-0x0000000005590000-0x00000000055AE000-memory.dmp

    Filesize

    120KB

  • memory/3304-6-0x0000000005350000-0x00000000053EC000-memory.dmp

    Filesize

    624KB

  • memory/3640-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-68-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3640-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB