Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 15:50

General

  • Target

    ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe

  • Size

    854KB

  • MD5

    a0602bf02ae7766b58bffd108f148b7b

  • SHA1

    65b1ea618e93e70049d395401352fa06c85ffa38

  • SHA256

    ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a

  • SHA512

    27a6ef4322db17ab64acc78b946f14400cda55b1e800d674dd3a47fe89521e227d31f41df00ada3336c82a34bf1b023a2710aa9b4836ea64877c0d866accb00c

  • SSDEEP

    12288:DvUSmi/ScuxtPoeptfKh74Us0kJMxghMDXP4Faaxttoeq8:DXmi/SLxtJnyE0cMxrLEawtKet

Malware Config

Extracted

Family

remcos

Botnet

8846455

C2

windowsoctarem.duckdns.org:56892

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

    4765-HH3V0S

  • 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.

  • Remcos family
  • 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.

  • 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe
    "C:\Users\Admin\AppData\Local\Temp\ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YBbcCHHNhNpA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:896
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YBbcCHHNhNpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE37A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1452
    • C:\Users\Admin\AppData\Local\Temp\ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe
      "C:\Users\Admin\AppData\Local\Temp\ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ivu3kh5a.45e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE37A.tmp

    Filesize

    1KB

    MD5

    3ab71377351ec4969e9e6fa62b60fc6e

    SHA1

    22bacc1b2e6fd3a1c62465f2f94d7d62b1997cfe

    SHA256

    e662cad3d2f3b6827ce72c76f26936143153f91be9446120629cee76ef456115

    SHA512

    6a5df1f0ecfffb86d6f959bfe08e8bbeeeefbabe877dcb616e07afb23ab3f82f6dc1ef0046d6a17e9266089ddf862cd7137b1a42ef2c4ddc019062a394288153

  • memory/896-60-0x0000000007C50000-0x0000000007C5A000-memory.dmp

    Filesize

    40KB

  • memory/896-66-0x0000000007F20000-0x0000000007F3A000-memory.dmp

    Filesize

    104KB

  • memory/896-59-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

    Filesize

    104KB

  • memory/896-70-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/896-46-0x0000000072000000-0x000000007204C000-memory.dmp

    Filesize

    304KB

  • memory/896-67-0x0000000007F00000-0x0000000007F08000-memory.dmp

    Filesize

    32KB

  • memory/896-65-0x0000000007E20000-0x0000000007E34000-memory.dmp

    Filesize

    80KB

  • memory/896-56-0x0000000006E80000-0x0000000006E9E000-memory.dmp

    Filesize

    120KB

  • memory/896-62-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

    Filesize

    68KB

  • memory/896-61-0x0000000007E60000-0x0000000007EF6000-memory.dmp

    Filesize

    600KB

  • memory/896-18-0x0000000005AE0000-0x0000000006108000-memory.dmp

    Filesize

    6.2MB

  • memory/896-58-0x0000000008220000-0x000000000889A000-memory.dmp

    Filesize

    6.5MB

  • memory/896-15-0x0000000005310000-0x0000000005346000-memory.dmp

    Filesize

    216KB

  • memory/896-24-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/896-64-0x0000000007E10000-0x0000000007E1E000-memory.dmp

    Filesize

    56KB

  • memory/896-57-0x0000000007AA0000-0x0000000007B43000-memory.dmp

    Filesize

    652KB

  • memory/896-29-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/896-28-0x0000000006180000-0x00000000061E6000-memory.dmp

    Filesize

    408KB

  • memory/896-27-0x0000000006110000-0x0000000006176000-memory.dmp

    Filesize

    408KB

  • memory/896-41-0x0000000006380000-0x00000000066D4000-memory.dmp

    Filesize

    3.3MB

  • memory/896-26-0x0000000005900000-0x0000000005922000-memory.dmp

    Filesize

    136KB

  • memory/896-42-0x0000000006880000-0x000000000689E000-memory.dmp

    Filesize

    120KB

  • memory/896-43-0x00000000068C0000-0x000000000690C000-memory.dmp

    Filesize

    304KB

  • memory/896-45-0x0000000006EA0000-0x0000000006ED2000-memory.dmp

    Filesize

    200KB

  • memory/896-17-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3192-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-91-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-128-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-127-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-126-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-125-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-124-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-123-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-122-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-121-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-120-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-119-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-118-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-82-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-84-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-86-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-87-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-88-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-89-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-90-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-92-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-93-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-94-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-95-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-96-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-97-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-98-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-99-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-100-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-101-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-102-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-103-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-104-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-105-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-106-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-107-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-108-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-109-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-110-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-111-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-112-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-113-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-114-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-115-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-116-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3192-117-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4864-0-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/4864-1-0x0000000000650000-0x000000000072C000-memory.dmp

    Filesize

    880KB

  • memory/4864-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

    Filesize

    5.6MB

  • memory/4864-3-0x0000000005130000-0x00000000051C2000-memory.dmp

    Filesize

    584KB

  • memory/4864-4-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-5-0x00000000051D0000-0x00000000051DA000-memory.dmp

    Filesize

    40KB

  • memory/4864-6-0x0000000005390000-0x000000000542C000-memory.dmp

    Filesize

    624KB

  • memory/4864-7-0x00000000054A0000-0x00000000054B2000-memory.dmp

    Filesize

    72KB

  • memory/4864-8-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/4864-9-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-10-0x00000000069B0000-0x0000000006A6E000-memory.dmp

    Filesize

    760KB

  • memory/4864-25-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB