Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 01:22

General

  • Target

    2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe

  • Size

    904KB

  • MD5

    38b63c968b2733cef310a6df2dcfa478

  • SHA1

    bbbb4dcf4ecc6364af54480929d430da1c460a13

  • SHA256

    2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d

  • SHA512

    ab9486482bfae4c5a86a5d3dbe9aa47b003d9d74965b5fbd24f72a30ee1bd5a34a75cbcecff98aa3852e7c2019a582f8633bc1c8d762a65ef9084fb00791f3da

  • SSDEEP

    24576:CRv6SSp2ReQ/tOsbwHsIS7NjkDpGrWbv8MXK:CJZeQcsUHPSZjkDpcWb3

Malware Config

Extracted

Family

remcos

Botnet

5764576

C2

172.93.218.178:45667

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

    765-XJJE0J

  • 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.

  • 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\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe
    "C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlykqEvmBV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1012
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB3F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:920
    • C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe
      "C:\Users\Admin\AppData\Local\Temp\2768689f6c4a60b7fe18d6c87fdecd8a7f8dceefa298a5851c4a7c6909f3a92d.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nptguv1m.21k.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCB3F.tmp

    Filesize

    1KB

    MD5

    a30dee2ad6db9ad6a52ec3821321f19d

    SHA1

    fb7b9fe0c8bc516edda54e0881d8d285687be127

    SHA256

    8c74533598bf4b3dff225a012f88fe60f6e769113e85c8bc505f9b1ad2aa144c

    SHA512

    4f8b741f84936c24e28d5922dddc8d2463d415e522c7b3a3e6a650d6f6f727590ebfa6951aaa0bc7f73fe249c50a51b55e3cbf7793034cf9ac95bbe819ff0c54

  • memory/212-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/212-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1012-40-0x0000000005860000-0x0000000005BB4000-memory.dmp

    Filesize

    3.3MB

  • memory/1012-61-0x0000000007780000-0x0000000007DFA000-memory.dmp

    Filesize

    6.5MB

  • memory/1012-25-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1012-29-0x00000000056D0000-0x0000000005736000-memory.dmp

    Filesize

    408KB

  • memory/1012-30-0x00000000057F0000-0x0000000005856000-memory.dmp

    Filesize

    408KB

  • memory/1012-28-0x0000000004E50000-0x0000000004E72000-memory.dmp

    Filesize

    136KB

  • memory/1012-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1012-72-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1012-41-0x0000000005E10000-0x0000000005E2E000-memory.dmp

    Filesize

    120KB

  • memory/1012-42-0x0000000005EB0000-0x0000000005EFC000-memory.dmp

    Filesize

    304KB

  • memory/1012-17-0x0000000004F30000-0x0000000005558000-memory.dmp

    Filesize

    6.2MB

  • memory/1012-15-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/1012-14-0x0000000004840000-0x0000000004876000-memory.dmp

    Filesize

    216KB

  • memory/1012-48-0x00000000063D0000-0x0000000006402000-memory.dmp

    Filesize

    200KB

  • memory/1012-49-0x0000000070FE0000-0x000000007102C000-memory.dmp

    Filesize

    304KB

  • memory/1012-59-0x0000000006410000-0x000000000642E000-memory.dmp

    Filesize

    120KB

  • memory/1012-60-0x0000000006440000-0x00000000064E3000-memory.dmp

    Filesize

    652KB

  • memory/1012-69-0x0000000007460000-0x0000000007468000-memory.dmp

    Filesize

    32KB

  • memory/1012-62-0x0000000007140000-0x000000000715A000-memory.dmp

    Filesize

    104KB

  • memory/1012-63-0x00000000071B0000-0x00000000071BA000-memory.dmp

    Filesize

    40KB

  • memory/1012-64-0x00000000073C0000-0x0000000007456000-memory.dmp

    Filesize

    600KB

  • memory/1012-65-0x0000000007340000-0x0000000007351000-memory.dmp

    Filesize

    68KB

  • memory/1012-66-0x0000000007370000-0x000000000737E000-memory.dmp

    Filesize

    56KB

  • memory/1012-67-0x0000000007380000-0x0000000007394000-memory.dmp

    Filesize

    80KB

  • memory/1012-68-0x0000000007480000-0x000000000749A000-memory.dmp

    Filesize

    104KB

  • memory/3756-27-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3756-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

    Filesize

    4KB

  • memory/3756-9-0x0000000006980000-0x0000000006A1C000-memory.dmp

    Filesize

    624KB

  • memory/3756-8-0x0000000006A40000-0x0000000006AFE000-memory.dmp

    Filesize

    760KB

  • memory/3756-7-0x0000000005C50000-0x0000000005C5E000-memory.dmp

    Filesize

    56KB

  • memory/3756-6-0x0000000005C00000-0x0000000005C1A000-memory.dmp

    Filesize

    104KB

  • memory/3756-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp

    Filesize

    7.7MB

  • memory/3756-4-0x00000000056E0000-0x00000000056EA000-memory.dmp

    Filesize

    40KB

  • memory/3756-3-0x0000000005720000-0x00000000057B2000-memory.dmp

    Filesize

    584KB

  • memory/3756-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

    Filesize

    5.6MB

  • memory/3756-1-0x0000000000D30000-0x0000000000E18000-memory.dmp

    Filesize

    928KB