Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 03:14

General

  • Target

    5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe

  • Size

    998KB

  • MD5

    9a942028f55f59560c38677923c7ce6a

  • SHA1

    069cf2b7306f61ac65a4598f519a83dd535325c9

  • SHA256

    5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb

  • SHA512

    e3f0f2d9d97cfa7178d3fd1e12cd35c9b1a5b08e92767389bcf998e428e08e4527fa7b9204941e849a6f28c240c52c57b653777e7620210c5d024dbce0a22eda

  • SSDEEP

    24576:yxWTl+NDnZjbBxcxyGFKjL8kFzzjBh3HrYMY:lpknZHEyGw3t3cz

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

194.147.140.180:1987

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-FRNTO2

  • 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.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 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\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe
    "C:\Users\Admin\AppData\Local\Temp\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4952
    • 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\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XPTpFDOlta.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4676
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XPTpFDOlta" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EAA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5072
    • C:\Users\Admin\AppData\Local\Temp\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe
      "C:\Users\Admin\AppData\Local\Temp\5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    7f165b58ce922537291bd572c35b4ddd

    SHA1

    23e344a274d18f52fc55d62c6afbf45df5baeb8f

    SHA256

    6555796fe3070b8db9f3b36e8d9669bdd07f7fc1951e7459a53323e4d4b9a7b0

    SHA512

    cdd789ec52831956ae86f0f3005ff79624700f9ed26075da192a5716eb62bf5bbc95fa54b7ba73d310470f53c045ea2ea0ea81ec8ef49a6e81f9310c1e5b2119

  • 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

    905e29e49b1e92caedfe833b022d4683

    SHA1

    7b000a26c29a0944f2d4e71337c8f65b63874a0f

    SHA256

    6656364c5dfcd95d3c51221e39ed4d74afd9a35491b17604be9dac5bf83610b6

    SHA512

    ca67fca281d8aab878318647d9822ff1a20d0ccb7ccff323adcf2ebca2eca0dc52f18500dd7ec52c622814c03dc4573faf39ebe55ba21448d215c0ab7084ab1d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3ujfzh1.svy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp5EAA.tmp

    Filesize

    1KB

    MD5

    20b7cea3861996e11496924c8e136475

    SHA1

    74498fc7e252587a4e2f58a091c91e67ab3b8a2d

    SHA256

    ac47b4e2cd894b2f4f3c68442ddc9998ce533b176f0ae329a3688f7ae9f4549a

    SHA512

    eca8db1fe24a5dc793907452006a8e4fcfa29d9d953adb49bb626d0b22bd7700fb8c2b9df42c3c78ad4b995d827c5e702f88030d1b9d316484ecf96a962bbca6

  • memory/3692-122-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-160-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-159-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-157-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-156-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-154-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-153-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-150-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-149-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-145-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-144-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-141-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-140-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-138-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-137-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-135-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-133-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-132-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-45-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-131-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-49-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-128-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-53-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-126-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-55-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-121-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-118-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-117-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-116-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-114-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-112-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-111-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-108-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-106-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-103-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-43-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-51-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3692-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3840-99-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-84-0x0000000007B60000-0x00000000081DA000-memory.dmp

    Filesize

    6.5MB

  • memory/3840-52-0x00000000061D0000-0x00000000061EE000-memory.dmp

    Filesize

    120KB

  • memory/3840-88-0x0000000007720000-0x0000000007731000-memory.dmp

    Filesize

    68KB

  • memory/3840-92-0x0000000007840000-0x0000000007848000-memory.dmp

    Filesize

    32KB

  • memory/3840-17-0x0000000005520000-0x0000000005B48000-memory.dmp

    Filesize

    6.2MB

  • memory/3840-14-0x0000000002900000-0x0000000002936000-memory.dmp

    Filesize

    216KB

  • memory/3840-15-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/3840-60-0x000000007EF30000-0x000000007EF40000-memory.dmp

    Filesize

    64KB

  • memory/3840-90-0x0000000007760000-0x0000000007774000-memory.dmp

    Filesize

    80KB

  • memory/3840-91-0x0000000007860000-0x000000000787A000-memory.dmp

    Filesize

    104KB

  • memory/3840-70-0x00000000071B0000-0x00000000071CE000-memory.dmp

    Filesize

    120KB

  • memory/3840-16-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

    Filesize

    64KB

  • memory/3840-79-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

    Filesize

    64KB

  • memory/3840-54-0x0000000006280000-0x00000000062CC000-memory.dmp

    Filesize

    304KB

  • memory/3840-58-0x00000000750B0000-0x00000000750FC000-memory.dmp

    Filesize

    304KB

  • memory/3840-21-0x0000000005330000-0x0000000005352000-memory.dmp

    Filesize

    136KB

  • memory/3840-18-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

    Filesize

    64KB

  • memory/4676-80-0x0000000005060000-0x0000000005070000-memory.dmp

    Filesize

    64KB

  • memory/4676-57-0x000000007F690000-0x000000007F6A0000-memory.dmp

    Filesize

    64KB

  • memory/4676-56-0x00000000076A0000-0x00000000076D2000-memory.dmp

    Filesize

    200KB

  • memory/4676-59-0x00000000750B0000-0x00000000750FC000-memory.dmp

    Filesize

    304KB

  • memory/4676-87-0x0000000007AB0000-0x0000000007B46000-memory.dmp

    Filesize

    600KB

  • memory/4676-82-0x00000000076F0000-0x0000000007793000-memory.dmp

    Filesize

    652KB

  • memory/4676-89-0x0000000007A60000-0x0000000007A6E000-memory.dmp

    Filesize

    56KB

  • memory/4676-83-0x0000000005060000-0x0000000005070000-memory.dmp

    Filesize

    64KB

  • memory/4676-85-0x0000000007830000-0x000000000784A000-memory.dmp

    Filesize

    104KB

  • memory/4676-95-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4676-44-0x0000000005F20000-0x0000000006274000-memory.dmp

    Filesize

    3.3MB

  • memory/4676-86-0x00000000078A0000-0x00000000078AA000-memory.dmp

    Filesize

    40KB

  • memory/4676-19-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4676-24-0x0000000005EB0000-0x0000000005F16000-memory.dmp

    Filesize

    408KB

  • memory/4676-23-0x0000000005E40000-0x0000000005EA6000-memory.dmp

    Filesize

    408KB

  • memory/4676-20-0x0000000005060000-0x0000000005070000-memory.dmp

    Filesize

    64KB

  • memory/4952-8-0x0000000007170000-0x0000000007230000-memory.dmp

    Filesize

    768KB

  • memory/4952-5-0x0000000005700000-0x000000000570A000-memory.dmp

    Filesize

    40KB

  • memory/4952-4-0x00000000057F0000-0x0000000005800000-memory.dmp

    Filesize

    64KB

  • memory/4952-48-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-6-0x00000000057E0000-0x00000000057F2000-memory.dmp

    Filesize

    72KB

  • memory/4952-1-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4952-3-0x0000000005640000-0x00000000056D2000-memory.dmp

    Filesize

    584KB

  • memory/4952-9-0x0000000009840000-0x00000000098DC000-memory.dmp

    Filesize

    624KB

  • memory/4952-0-0x0000000000B60000-0x0000000000C60000-memory.dmp

    Filesize

    1024KB

  • memory/4952-7-0x0000000005A00000-0x0000000005A0C000-memory.dmp

    Filesize

    48KB