Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 01:33

General

  • Target

    929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0.exe

  • Size

    915KB

  • MD5

    0b18de9b2b7f17fc93796eabee8d26dd

  • SHA1

    0c0f08a2df8262960e6290900bff0684847cc0c8

  • SHA256

    929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0

  • SHA512

    07a146051648b7bf1a7024bf1375b27b3ee6ea07c9c455ede24d3edce26d79e2f227a9b1a9ba0eb4f5e05c75e458169e48c3a8a1acaf731781a0f105ace37860

  • SSDEEP

    12288:OdK2wPfKaoFsNyjcFg/Q5P4Uf1fTX5muSPflsEXywds31GHvMb7d+fLnnjnU+DL:FPfKaKsNEesQ5PxL5mjHiwOFEvMOPn3

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.projectusf.com:2404

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

    gfh

  • mouse_option

    false

  • mutex

    Rmc-J91LMC

  • 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.

  • 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.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0.exe
    "C:\Users\Admin\AppData\Local\Temp\929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OlhQyptevOgDP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlhQyptevOgDP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8B3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1672
    • C:\Users\Admin\AppData\Local\Temp\929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0.exe
      "C:\Users\Admin\AppData\Local\Temp\929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\gfh\logs.dat

    Filesize

    144B

    MD5

    af3f280d70fd4ef03a9996fe1f5b297f

    SHA1

    e0fba318a9b450a844d34c5839a5c9f01ae05cbe

    SHA256

    149e84e1dd9e063bfe90a34da33f7bca6ce76a1c576c47b99e6f3faf74e599e4

    SHA512

    6d53d89de4d1494dcc7c69d8bd57a49bed29d0bff576fb38aa039214618596cd7751aa28fc0da0f50ec8d68b2e67cb3ed2592b05f746306098ae178421755339

  • C:\Users\Admin\AppData\Local\Temp\tmpD8B3.tmp

    Filesize

    1KB

    MD5

    e8175156e975efc43e6b22082175eca9

    SHA1

    160c426d196039e9cfe7743f909ff1c08ea35afd

    SHA256

    244e73e7413125e6639ae3c060b5ab9af8f0fd9a01fda20596985365dcee6419

    SHA512

    82e07353f40506882437d12d1646ba63739aafe7d57ac21d6ec7b8d39b514a55b5e4ab40ecfde8bc6de0d15fa41c27bffbe85307dffe066108e261e69b021a18

  • memory/1540-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/1540-1-0x0000000000860000-0x000000000094C000-memory.dmp

    Filesize

    944KB

  • memory/1540-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1540-3-0x00000000005D0000-0x00000000005E2000-memory.dmp

    Filesize

    72KB

  • memory/1540-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/1540-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1540-6-0x0000000005380000-0x0000000005440000-memory.dmp

    Filesize

    768KB

  • memory/1540-38-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2732-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-37-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-26-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-40-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-41-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-51-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-52-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-60-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-59-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-67-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-68-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2732-75-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB