Analysis

  • max time kernel
    148s
  • 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
    22-11-2024 03:12

General

  • Target

    e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe

  • Size

    893KB

  • MD5

    c016b06a4942455df9ce8a58b72bcc90

  • SHA1

    dba52afe33451c444fd5cf3c6aca9d2ced768d2c

  • SHA256

    e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c

  • SHA512

    961475a98cfdc14a29725b43c1807a3eda08a2257f50d216375faf262880ce39cf7847d00263d00fd1ce032ad14fbb003b3ab1e78bbd25b3a644f3d6746168fe

  • SSDEEP

    24576:WNo7gN9rqhq/5UqutCi1BDUTskujqA5pd6p3MFHdIvYV:QL2hq/6q1i1h4v3A5pdSOWvY

Malware Config

Extracted

Family

remcos

Botnet

cee

C2

cee.work.gd:2531

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    vlc

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    ios

  • mouse_option

    false

  • mutex

    gig-1IH5DX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    sos

  • 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 2 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 5 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe
    "C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4832
    • 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\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3820
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xASiLfzXONGIW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xASiLfzXONGIW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5E9.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1192
    • C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe
      "C:\Users\Admin\AppData\Local\Temp\e115d3bd2903d9d663a7a69edd08b0ba5f2528c831d17530bbf621648b44894c.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\ios\logs.dat

    Filesize

    144B

    MD5

    07e5874201ebb76b768ff26f48d03e42

    SHA1

    764f6b42ebf829b2a4308bf1fe5a997fd27076f4

    SHA256

    c675f62385c22e52992aa5a5149e1f9994f3fdfd3ba7b7ea53b5a9890e393fd2

    SHA512

    2400109c349e0ff53243e04f9e0e0dcdf6885299b279d92bf506765f6c625706bf6062ed5dbfff4dd5f5cacfc739ebaabe49f246a9c53956adb0d41c2a83c81c

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    dc3be6a9616e0312429de7fe258a48d9

    SHA1

    a5f221437d9285429da6846782486938de8b0e36

    SHA256

    bb1ec093f6a3e2e668ee7166590ecad0e01bbdc485259f10bdef94c9b28d200e

    SHA512

    c697ab013c7451a36decd0508597a0060f9d372c4847fab445acbc323ff98c8011ea8d018740141d05f549f6d8cfc21c8ef1cb27034b13f10355c655ab97ff58

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rs3sqq1w.5cu.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF5E9.tmp

    Filesize

    1KB

    MD5

    6d72baf21da5a2f73d4b319127391205

    SHA1

    adc0c30735ca53f904cec457e88b32d582f42b12

    SHA256

    eeeab27d234304a02d5492bf6e3339007eacc57d638f86f048a125634db619a9

    SHA512

    c0456478a871ecd39188342c8a4f746e973b20cf6e3cff1a90a67e2233d260db823634e64b510b2ffef2510e75d893cb9a766e5cb7710e139eb18476b90cebab

  • memory/3716-85-0x0000000007A10000-0x000000000808A000-memory.dmp

    Filesize

    6.5MB

  • memory/3716-19-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3716-84-0x00000000072C0000-0x0000000007363000-memory.dmp

    Filesize

    652KB

  • memory/3716-74-0x00000000072A0000-0x00000000072BE000-memory.dmp

    Filesize

    120KB

  • memory/3716-63-0x000000006F1C0000-0x000000006F20C000-memory.dmp

    Filesize

    304KB

  • memory/3716-62-0x0000000007260000-0x0000000007292000-memory.dmp

    Filesize

    200KB

  • memory/3716-31-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3716-32-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3716-89-0x00000000075D0000-0x00000000075E1000-memory.dmp

    Filesize

    68KB

  • memory/3716-99-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-56-0x0000000006680000-0x00000000066CC000-memory.dmp

    Filesize

    304KB

  • memory/3820-20-0x0000000005720000-0x0000000005742000-memory.dmp

    Filesize

    136KB

  • memory/3820-21-0x0000000005EB0000-0x0000000005F16000-memory.dmp

    Filesize

    408KB

  • memory/3820-18-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-24-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-17-0x0000000005880000-0x0000000005EA8000-memory.dmp

    Filesize

    6.2MB

  • memory/3820-25-0x0000000006000000-0x0000000006354000-memory.dmp

    Filesize

    3.3MB

  • memory/3820-16-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-100-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3820-93-0x0000000007C30000-0x0000000007C38000-memory.dmp

    Filesize

    32KB

  • memory/3820-92-0x0000000007C50000-0x0000000007C6A000-memory.dmp

    Filesize

    104KB

  • memory/3820-91-0x0000000007B50000-0x0000000007B64000-memory.dmp

    Filesize

    80KB

  • memory/3820-90-0x0000000007B40000-0x0000000007B4E000-memory.dmp

    Filesize

    56KB

  • memory/3820-15-0x0000000002D30000-0x0000000002D66000-memory.dmp

    Filesize

    216KB

  • memory/3820-55-0x00000000065F0000-0x000000000660E000-memory.dmp

    Filesize

    120KB

  • memory/3820-88-0x0000000007B90000-0x0000000007C26000-memory.dmp

    Filesize

    600KB

  • memory/3820-87-0x0000000007980000-0x000000000798A000-memory.dmp

    Filesize

    40KB

  • memory/3820-22-0x0000000005F90000-0x0000000005FF6000-memory.dmp

    Filesize

    408KB

  • memory/3820-86-0x0000000007910000-0x000000000792A000-memory.dmp

    Filesize

    104KB

  • memory/3820-73-0x000000006F1C0000-0x000000006F20C000-memory.dmp

    Filesize

    304KB

  • memory/4832-9-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

    Filesize

    5.6MB

  • memory/4832-10-0x0000000007F80000-0x0000000008040000-memory.dmp

    Filesize

    768KB

  • memory/4832-1-0x00000000009C0000-0x0000000000AA6000-memory.dmp

    Filesize

    920KB

  • memory/4832-8-0x0000000005970000-0x0000000005982000-memory.dmp

    Filesize

    72KB

  • memory/4832-3-0x0000000005520000-0x00000000055B2000-memory.dmp

    Filesize

    584KB

  • memory/4832-7-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/4832-6-0x0000000005780000-0x000000000581C000-memory.dmp

    Filesize

    624KB

  • memory/4832-4-0x00000000054A0000-0x00000000054AA000-memory.dmp

    Filesize

    40KB

  • memory/4832-54-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/4832-5-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/5060-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-107-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-108-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-115-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-116-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-124-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5060-123-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB