Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 06:46

General

  • Target

    932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe

  • Size

    879KB

  • MD5

    1d818c67cd7b934a84588a3207b2e50a

  • SHA1

    f143719dafea314eb6ae638e9a7694da54c3a445

  • SHA256

    932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d

  • SHA512

    41e68271ed5c52427c1e9953bc3ac9c0562541a186a6a44712602dd88968fdd2d896f3c56dccc39dac512c9885e0eb9c194d26f148ce484418b001d1bf60401e

  • SSDEEP

    24576:Ovd+fC6BjsHpE+dOj+18tyAgajKCzMlTyFjSIi0/:O1+a6NsHp3MlhOGM1mO0/

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.c42staging.com:2404

www.vdoclabs.com:2404

www.ozkol-aluminyum.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

    dfghj

  • mouse_option

    false

  • mutex

    Rmc-QCH1J0

  • 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 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 6 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\932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe
    "C:\Users\Admin\AppData\Local\Temp\932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.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:1668
    • 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\932c8687387b5fa94ef7b5c11358b0d0dc90ea488729382e09ec126d61457d6d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:224
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wTTruYPumnUe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1576
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTTruYPumnUe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD50.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3208
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\dfghj\logs.dat

    Filesize

    144B

    MD5

    678476dff5753f43343aca7e2bd8b484

    SHA1

    dfa2559b8c68f0788a1d5eece1923de702f4ed79

    SHA256

    4b7787da22b96356f499a1fcaae02e0a2704102e980c242482d4f7f86c3eb234

    SHA512

    997a06e62949cb99cdbc4db488cd463d2678066e8f04f4b9cf6835b8f4e6f79fe80e7e10cc0e70c1f682ae114da5ccbee7e7f76c7a295806ce687cdfcfc9738c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_044dee3b.3ub.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDD50.tmp

    Filesize

    1KB

    MD5

    8bc7310386dea9792d5271592de008af

    SHA1

    3eab08dd406a2232bd73bf4413dce995a9e26389

    SHA256

    fe960457741be05bd4ab611b92bf23dbcd9b10b232ce5d9df9f3bfda37c60e16

    SHA512

    a00cca5783f479485eed35ae7386eac88be3c560af2b06f1928bc9c7506c2f17d88a16b5a54f1fa9f04f5ad74b00b078ff0e0cf101c7c296209c20f1d89ba6b0

  • memory/224-54-0x0000000006070000-0x00000000060BC000-memory.dmp

    Filesize

    304KB

  • memory/224-16-0x0000000002210000-0x0000000002246000-memory.dmp

    Filesize

    216KB

  • memory/224-91-0x0000000007090000-0x000000000709E000-memory.dmp

    Filesize

    56KB

  • memory/224-89-0x00000000070E0000-0x0000000007176000-memory.dmp

    Filesize

    600KB

  • memory/224-85-0x0000000006B50000-0x0000000006BF3000-memory.dmp

    Filesize

    652KB

  • memory/224-84-0x0000000006B30000-0x0000000006B4E000-memory.dmp

    Filesize

    120KB

  • memory/224-64-0x000000006F2A0000-0x000000006F2EC000-memory.dmp

    Filesize

    304KB

  • memory/224-93-0x00000000071A0000-0x00000000071BA000-memory.dmp

    Filesize

    104KB

  • memory/224-47-0x0000000005B30000-0x0000000005B4E000-memory.dmp

    Filesize

    120KB

  • memory/224-92-0x00000000070A0000-0x00000000070B4000-memory.dmp

    Filesize

    80KB

  • memory/224-18-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-17-0x0000000004C40000-0x0000000005268000-memory.dmp

    Filesize

    6.2MB

  • memory/224-19-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-20-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-97-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-23-0x00000000052E0000-0x0000000005346000-memory.dmp

    Filesize

    408KB

  • memory/224-22-0x0000000005270000-0x00000000052D6000-memory.dmp

    Filesize

    408KB

  • memory/224-21-0x0000000004A70000-0x0000000004A92000-memory.dmp

    Filesize

    136KB

  • memory/1576-86-0x0000000007450000-0x0000000007ACA000-memory.dmp

    Filesize

    6.5MB

  • memory/1576-65-0x000000006F2A0000-0x000000006F2EC000-memory.dmp

    Filesize

    304KB

  • memory/1576-34-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1576-45-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1576-46-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1576-98-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1576-35-0x0000000005500000-0x0000000005854000-memory.dmp

    Filesize

    3.3MB

  • memory/1576-94-0x0000000007130000-0x0000000007138000-memory.dmp

    Filesize

    32KB

  • memory/1576-90-0x0000000007010000-0x0000000007021000-memory.dmp

    Filesize

    68KB

  • memory/1576-88-0x0000000006E80000-0x0000000006E8A000-memory.dmp

    Filesize

    40KB

  • memory/1576-87-0x0000000006E10000-0x0000000006E2A000-memory.dmp

    Filesize

    104KB

  • memory/1576-63-0x00000000060B0000-0x00000000060E2000-memory.dmp

    Filesize

    200KB

  • memory/1668-2-0x0000000005BE0000-0x0000000006184000-memory.dmp

    Filesize

    5.6MB

  • memory/1668-5-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-1-0x0000000000BD0000-0x0000000000CB2000-memory.dmp

    Filesize

    904KB

  • memory/1668-11-0x0000000009940000-0x00000000099DC000-memory.dmp

    Filesize

    624KB

  • memory/1668-10-0x0000000007230000-0x00000000072F0000-memory.dmp

    Filesize

    768KB

  • memory/1668-3-0x00000000056D0000-0x0000000005762000-memory.dmp

    Filesize

    584KB

  • memory/1668-9-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-4-0x00000000056B0000-0x00000000056BA000-memory.dmp

    Filesize

    40KB

  • memory/1668-8-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/1668-7-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/1668-6-0x0000000006D70000-0x0000000006E4A000-memory.dmp

    Filesize

    872KB

  • memory/1668-0-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/1668-56-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2956-59-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-48-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-57-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-49-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-62-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-50-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-105-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-58-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-53-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-60-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-113-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-112-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-120-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-121-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-128-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2956-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB