Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 09:54

General

  • Target

    9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe

  • Size

    944KB

  • MD5

    6161c04bf6f739915c469c9718b30ea8

  • SHA1

    1f8e7670f89ee78fd393e609c5f5a5af8bdb2d26

  • SHA256

    9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030

  • SHA512

    4925ebbf86b419681bc538a8a63a8bf893b656a8ba9efb7a4763c0be1e1e34e233aea91fc6b9823f4a439ccbf9e374b4fbb04309452ab8a6dbc9af45372a1902

  • SSDEEP

    24576:fY/TkthhqbBuQBIK5wUwfhOMX+GZDnsYKVjACuMwd:YBughwUPHGVAjAO8

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.42:7118

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

    Rmc-WYBPPO

  • 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 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 WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe
    "C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.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:4048
    • 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\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3796
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CqcHNIR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3192
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CqcHNIR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2388
    • C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe
      "C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    04762fe5447c00541ae6c2a65652ac4c

    SHA1

    dd5d701c85ea4cd3b59820603d5c46ea8a04abe0

    SHA256

    60a8428aa71eb7936bd7f42d02c40a17dcf9de22e962b151168a6bc26bde574e

    SHA512

    a0b099ba7d0a60648077f13ff77e7f739b3f40a4b6ee5887e66de12045c29a50428ae4ffe8863f2e5985fb2a0db0809cad49574938233744b092d9e21333e6b2

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xuovksy4.isf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp23D.tmp

    Filesize

    1KB

    MD5

    4d1cd1f0ef1f36d39b4c7e7d095a53b7

    SHA1

    200e8342dd26e52e8fe63862dff1aa38b0e90575

    SHA256

    f9f2629fde3191755055c30a73f45148d6c707c26fdd9610d8e813724f011cd5

    SHA512

    8932a31911124af6a2f526e0aa5c2094ecb0f40956822b95cd92fcf09d8334908c1c61790a1a9524af417b274ae14ad78ff1b1bd18f5ab705c4346075d6485dd

  • memory/3192-86-0x0000000007050000-0x000000000706A000-memory.dmp

    Filesize

    104KB

  • memory/3192-52-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-87-0x00000000070D0000-0x00000000070DA000-memory.dmp

    Filesize

    40KB

  • memory/3192-85-0x00000000076A0000-0x0000000007D1A000-memory.dmp

    Filesize

    6.5MB

  • memory/3192-23-0x00000000055D0000-0x0000000005636000-memory.dmp

    Filesize

    408KB

  • memory/3192-67-0x0000000075950000-0x000000007599C000-memory.dmp

    Filesize

    304KB

  • memory/3192-56-0x0000000006270000-0x00000000062BC000-memory.dmp

    Filesize

    304KB

  • memory/3192-89-0x0000000007250000-0x0000000007261000-memory.dmp

    Filesize

    68KB

  • memory/3192-46-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-90-0x0000000007280000-0x000000000728E000-memory.dmp

    Filesize

    56KB

  • memory/3192-27-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-99-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-22-0x0000000005420000-0x0000000005486000-memory.dmp

    Filesize

    408KB

  • memory/3192-21-0x0000000004C70000-0x0000000004C92000-memory.dmp

    Filesize

    136KB

  • memory/3796-19-0x0000000005570000-0x0000000005B98000-memory.dmp

    Filesize

    6.2MB

  • memory/3796-55-0x00000000063D0000-0x00000000063EE000-memory.dmp

    Filesize

    120KB

  • memory/3796-20-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-100-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-26-0x0000000005DC0000-0x0000000006114000-memory.dmp

    Filesize

    3.3MB

  • memory/3796-18-0x0000000002AE0000-0x0000000002B16000-memory.dmp

    Filesize

    216KB

  • memory/3796-93-0x0000000007A20000-0x0000000007A28000-memory.dmp

    Filesize

    32KB

  • memory/3796-92-0x0000000007A40000-0x0000000007A5A000-memory.dmp

    Filesize

    104KB

  • memory/3796-91-0x0000000007940000-0x0000000007954000-memory.dmp

    Filesize

    80KB

  • memory/3796-88-0x0000000007980000-0x0000000007A16000-memory.dmp

    Filesize

    600KB

  • memory/3796-82-0x00000000075D0000-0x0000000007673000-memory.dmp

    Filesize

    652KB

  • memory/3796-60-0x00000000069C0000-0x00000000069F2000-memory.dmp

    Filesize

    200KB

  • memory/3796-24-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-53-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/3796-61-0x0000000075950000-0x000000007599C000-memory.dmp

    Filesize

    304KB

  • memory/3796-72-0x0000000006980000-0x000000000699E000-memory.dmp

    Filesize

    120KB

  • memory/4048-11-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-4-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-1-0x0000000000890000-0x0000000000980000-memory.dmp

    Filesize

    960KB

  • memory/4048-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB

  • memory/4048-9-0x0000000006630000-0x000000000663E000-memory.dmp

    Filesize

    56KB

  • memory/4048-10-0x00000000750AE000-0x00000000750AF000-memory.dmp

    Filesize

    4KB

  • memory/4048-54-0x00000000750A0000-0x0000000075850000-memory.dmp

    Filesize

    7.7MB

  • memory/4048-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

    Filesize

    5.6MB

  • memory/4048-3-0x00000000053F0000-0x0000000005482000-memory.dmp

    Filesize

    584KB

  • memory/4048-8-0x00000000066F0000-0x00000000067C0000-memory.dmp

    Filesize

    832KB

  • memory/4048-7-0x0000000006FC0000-0x000000000748C000-memory.dmp

    Filesize

    4.8MB

  • memory/4048-6-0x0000000006650000-0x00000000066EC000-memory.dmp

    Filesize

    624KB

  • memory/4048-13-0x0000000006820000-0x00000000068DE000-memory.dmp

    Filesize

    760KB

  • memory/4048-5-0x00000000058F0000-0x00000000058FA000-memory.dmp

    Filesize

    40KB

  • memory/4048-12-0x00000000067D0000-0x00000000067DE000-memory.dmp

    Filesize

    56KB

  • memory/4408-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-102-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-101-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-103-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-104-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-105-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-106-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-107-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4408-108-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB