Analysis

  • max time kernel
    148s
  • max time network
    159s
  • 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 10:52

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:3152
    • 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:3160
    • 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:4252
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CqcHNIR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF52D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2140
    • C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe
      "C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2288

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    571aa8ebdaba4a41ea4f6d0c594aa5f8

    SHA1

    f2ad6dfee4528d6db8045962e2a113a306bd4517

    SHA256

    ae583a0f6cf875e4ae4af7547c65303e9607791fadffb6b9bf773bcbd2c615c5

    SHA512

    23d283622d8cfe6a073103f703cefac5776e81989b41fa3008a052f8d9401412b2149239d269ec14f080d4ecd680780ace305eb795d2929c718529942b8559d3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m4w043ew.slb.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF52D.tmp

    Filesize

    1KB

    MD5

    e62ca9bcb91670073a4a40027b002ec7

    SHA1

    7e16482b6ac970b1bf21dd7f5b7bb70c60ba6f42

    SHA256

    282f6d3b0e662ff4ca27fdaff198614650425b4ae4514b41e4baaee4a9c16100

    SHA512

    4175c28585f85a909df8463a4acf636b3eca0d7c6a030b22abf174e7d91294fcf76b6d62b118c6f7fb1e9777e689e52be943332a946e202a325b6a7b2e9e636d

  • memory/2288-103-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-102-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-104-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-105-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-106-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-101-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-107-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2288-108-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3152-13-0x0000000006450000-0x000000000650E000-memory.dmp

    Filesize

    760KB

  • memory/3152-6-0x00000000062F0000-0x000000000638C000-memory.dmp

    Filesize

    624KB

  • memory/3152-1-0x0000000000460000-0x0000000000550000-memory.dmp

    Filesize

    960KB

  • memory/3152-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

    Filesize

    5.6MB

  • memory/3152-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

    Filesize

    584KB

  • memory/3152-4-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-5-0x00000000051B0000-0x00000000051BA000-memory.dmp

    Filesize

    40KB

  • memory/3152-7-0x0000000006BF0000-0x00000000070BC000-memory.dmp

    Filesize

    4.8MB

  • memory/3152-54-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-12-0x00000000054B0000-0x00000000054BE000-memory.dmp

    Filesize

    56KB

  • memory/3152-11-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-10-0x000000007516E000-0x000000007516F000-memory.dmp

    Filesize

    4KB

  • memory/3152-0-0x000000007516E000-0x000000007516F000-memory.dmp

    Filesize

    4KB

  • memory/3152-9-0x0000000005360000-0x000000000536E000-memory.dmp

    Filesize

    56KB

  • memory/3152-8-0x0000000006720000-0x00000000067F0000-memory.dmp

    Filesize

    832KB

  • memory/3160-84-0x00000000074D0000-0x0000000007573000-memory.dmp

    Filesize

    652KB

  • memory/3160-31-0x0000000005EE0000-0x0000000005F46000-memory.dmp

    Filesize

    408KB

  • memory/3160-85-0x0000000007E50000-0x00000000084CA000-memory.dmp

    Filesize

    6.5MB

  • memory/3160-86-0x0000000007810000-0x000000000782A000-memory.dmp

    Filesize

    104KB

  • memory/3160-63-0x00000000759F0000-0x0000000075A3C000-memory.dmp

    Filesize

    304KB

  • memory/3160-62-0x0000000006AB0000-0x0000000006AE2000-memory.dmp

    Filesize

    200KB

  • memory/3160-20-0x0000000005670000-0x0000000005C98000-memory.dmp

    Filesize

    6.2MB

  • memory/3160-73-0x0000000006AF0000-0x0000000006B0E000-memory.dmp

    Filesize

    120KB

  • memory/3160-93-0x0000000007B30000-0x0000000007B38000-memory.dmp

    Filesize

    32KB

  • memory/3160-18-0x0000000004F30000-0x0000000004F66000-memory.dmp

    Filesize

    216KB

  • memory/3160-19-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/3160-47-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/3160-88-0x0000000007A90000-0x0000000007B26000-memory.dmp

    Filesize

    600KB

  • memory/3160-21-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/3160-90-0x0000000007A40000-0x0000000007A4E000-memory.dmp

    Filesize

    56KB

  • memory/3160-100-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/3160-30-0x0000000005E00000-0x0000000005E66000-memory.dmp

    Filesize

    408KB

  • memory/3160-29-0x0000000005D50000-0x0000000005D72000-memory.dmp

    Filesize

    136KB

  • memory/4252-55-0x0000000006530000-0x000000000654E000-memory.dmp

    Filesize

    120KB

  • memory/4252-92-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

    Filesize

    104KB

  • memory/4252-91-0x0000000007AA0000-0x0000000007AB4000-memory.dmp

    Filesize

    80KB

  • memory/4252-99-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-89-0x0000000007A60000-0x0000000007A71000-memory.dmp

    Filesize

    68KB

  • memory/4252-87-0x00000000078D0000-0x00000000078DA000-memory.dmp

    Filesize

    40KB

  • memory/4252-74-0x00000000759F0000-0x0000000075A3C000-memory.dmp

    Filesize

    304KB

  • memory/4252-56-0x0000000006570000-0x00000000065BC000-memory.dmp

    Filesize

    304KB

  • memory/4252-46-0x0000000006060000-0x00000000063B4000-memory.dmp

    Filesize

    3.3MB

  • memory/4252-53-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-45-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-22-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB