Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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 16:05

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:1340
    • 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:2304
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YBbcCHHNhNpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC37.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5112
    • C:\Users\Admin\AppData\Local\Temp\ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe
      "C:\Users\Admin\AppData\Local\Temp\ac56ec5a81bca833585ad1c052dc5614936523763c87ade64f519b23a4f0b24a.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hqmbrra0.xnx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDC37.tmp

    Filesize

    1KB

    MD5

    d74831a21236d778611097b5387e4111

    SHA1

    2623c9e78aaa7b7628fdcd393bd7c9f94c7ce689

    SHA256

    71ad83f1eb9e1b0d2cff021da5e6c323bda713e3e27659b3a10c6571f76e89d0

    SHA512

    b028080cc8e66a4115bce1119d398344b2917691b8f3d6747d85a623254d21d1252bf405d8ef3c6e1bffdb871e7493637226792ccc40e378034a7fc760addfed

  • memory/1340-40-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1340-0-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB

  • memory/1340-4-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1340-1-0x0000000000B50000-0x0000000000C2C000-memory.dmp

    Filesize

    880KB

  • memory/1340-6-0x00000000058C0000-0x000000000595C000-memory.dmp

    Filesize

    624KB

  • memory/1340-7-0x00000000057B0000-0x00000000057C2000-memory.dmp

    Filesize

    72KB

  • memory/1340-8-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB

  • memory/1340-9-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1340-10-0x0000000007140000-0x00000000071FE000-memory.dmp

    Filesize

    760KB

  • memory/1340-3-0x0000000005640000-0x00000000056D2000-memory.dmp

    Filesize

    584KB

  • memory/1340-5-0x0000000005620000-0x000000000562A000-memory.dmp

    Filesize

    40KB

  • memory/1340-2-0x0000000005BF0000-0x0000000006194000-memory.dmp

    Filesize

    5.6MB

  • memory/2304-58-0x0000000007720000-0x0000000007D9A000-memory.dmp

    Filesize

    6.5MB

  • memory/2304-61-0x0000000007140000-0x000000000714A000-memory.dmp

    Filesize

    40KB

  • memory/2304-71-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2304-68-0x00000000073F0000-0x00000000073F8000-memory.dmp

    Filesize

    32KB

  • memory/2304-67-0x0000000007410000-0x000000000742A000-memory.dmp

    Filesize

    104KB

  • memory/2304-66-0x0000000007310000-0x0000000007324000-memory.dmp

    Filesize

    80KB

  • memory/2304-16-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2304-15-0x0000000002480000-0x00000000024B6000-memory.dmp

    Filesize

    216KB

  • memory/2304-29-0x0000000005770000-0x00000000057D6000-memory.dmp

    Filesize

    408KB

  • memory/2304-17-0x0000000005060000-0x0000000005688000-memory.dmp

    Filesize

    6.2MB

  • memory/2304-20-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2304-28-0x0000000005700000-0x0000000005766000-memory.dmp

    Filesize

    408KB

  • memory/2304-35-0x00000000057E0000-0x0000000005B34000-memory.dmp

    Filesize

    3.3MB

  • memory/2304-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2304-41-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

    Filesize

    120KB

  • memory/2304-42-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

    Filesize

    304KB

  • memory/2304-65-0x0000000007300000-0x000000000730E000-memory.dmp

    Filesize

    56KB

  • memory/2304-63-0x00000000072D0000-0x00000000072E1000-memory.dmp

    Filesize

    68KB

  • memory/2304-46-0x00000000750D0000-0x000000007511C000-memory.dmp

    Filesize

    304KB

  • memory/2304-45-0x0000000006380000-0x00000000063B2000-memory.dmp

    Filesize

    200KB

  • memory/2304-56-0x0000000006360000-0x000000000637E000-memory.dmp

    Filesize

    120KB

  • memory/2304-57-0x0000000006DA0000-0x0000000006E43000-memory.dmp

    Filesize

    652KB

  • memory/2304-59-0x00000000070D0000-0x00000000070EA000-memory.dmp

    Filesize

    104KB

  • memory/2304-27-0x0000000004FE0000-0x0000000005002000-memory.dmp

    Filesize

    136KB

  • memory/2304-62-0x0000000007350000-0x00000000073E6000-memory.dmp

    Filesize

    600KB

  • memory/3040-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-96-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-82-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-84-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-86-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-87-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-88-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-89-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-90-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-91-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-92-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-93-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-94-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-95-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-97-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-98-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-99-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-100-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-101-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-102-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-103-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-104-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-105-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-106-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-107-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-108-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-109-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-110-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-111-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-112-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-113-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-114-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-115-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-116-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-117-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-118-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-119-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-120-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-121-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-122-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-123-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-124-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-125-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-126-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3040-127-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB