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Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2024, 10:21

General

  • Target

    DHL Shipped Documents for 3-Shipments 205+19.exe

  • Size

    1.0MB

  • MD5

    2fd81801e9d0d8b835a4e48372876bf0

  • SHA1

    ccf727bd273bdc31ce158a46cfd151fc2b9b85d5

  • SHA256

    6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817

  • SHA512

    70b1d7f26c2636084a6550d9ec3ef9d82a89d8316aa15c7b7877f665e5beb164bfcefb77b06f05865f38bb10e05e64f0c48c038fe4f9792c987ec7acfce09805

  • SSDEEP

    24576:potl6JnbeVcW1/IksIH96lE38GUmdd3ydnCxtQhMfm9dQGQkeE:potAJnbeVcfk3mE+mednsQhMgdLv5

Malware Config

Extracted

Family

remcos

Botnet

MR KAY

C2

192.210.201.57:52499

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-GVXREQ

  • 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.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Shipped Documents for 3-Shipments 205+19.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Shipped Documents for 3-Shipments 205+19.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1780
    • 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\DHL Shipped Documents for 3-Shipments 205+19.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:316
    • C:\Users\Admin\AppData\Local\Temp\DHL Shipped Documents for 3-Shipments 205+19.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL Shipped Documents for 3-Shipments 205+19.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5012
      • C:\ProgramData\Remcos\remcos.exe
        "C:\ProgramData\Remcos\remcos.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3236
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1504
        • C:\ProgramData\Remcos\remcos.exe
          "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Executes dropped EXE
          PID:4768
        • C:\ProgramData\Remcos\remcos.exe
          "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Executes dropped EXE
          PID:528
        • C:\ProgramData\Remcos\remcos.exe
          "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1748
          • C:\ProgramData\Remcos\remcos.exe
            C:\ProgramData\Remcos\remcos.exe /stext "C:\Users\Admin\AppData\Local\Temp\rsouiulfozqpxhxprqwjsdtpeqstujfh"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:3264
          • C:\ProgramData\Remcos\remcos.exe
            C:\ProgramData\Remcos\remcos.exe /stext "C:\Users\Admin\AppData\Local\Temp\bmcn"
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook accounts
            PID:2328
          • C:\ProgramData\Remcos\remcos.exe
            C:\ProgramData\Remcos\remcos.exe /stext "C:\Users\Admin\AppData\Local\Temp\mohykfg"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Remcos\logs.dat

    Filesize

    144B

    MD5

    091cddadf49cfb2f8b038e1b4452ed08

    SHA1

    fd53623cd286af9879b3d986a12026f9605c18c0

    SHA256

    90d4bdd432df6776b12cfd21d5dc8bb9bb549acc74f6d8161afdb0fb69a2bac9

    SHA512

    ae3679445f81ec4362d9b4e3d5371f41366767afbec2ad6a0ae67288f8192eca03eb9596225064aca8cfbcc6f503b57761765199d1099fc57f6761b1260f8df8

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    650KB

    MD5

    35f83c206cb6094928d515b322b88512

    SHA1

    6509dfe57d87c063d71afc28de1040ac8ba62e48

    SHA256

    7663dc46dedace9296aa486f95c43100ac0d0df4911c03b6d26a03195af6d1b8

    SHA512

    08ef3d89a139fbb879dead3ff6f5d2666de897f4af71605873944ff48ad9e1a630da3aa243d8919117772cabeaa9985a3dadc1ef4472c4b02e4ff6d0f702cdc6

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    349KB

    MD5

    aa700a4ab1eb7e65f09a56f2df26bc18

    SHA1

    45787c23f25380d00b14f81d0e427635bf1df3f7

    SHA256

    b7e02bbc9db96f9c1b131ade08556e318e04884f380c8fa2686d0d183afc58ed

    SHA512

    a2ff80591066da62ec4bd238e9e8d645abeee2692cad9ffb36f9d2301d8fb06aea565491f99b26bc4bac80a95ae56c77c0be51024c20b235be36a2ce92212057

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1.0MB

    MD5

    2fd81801e9d0d8b835a4e48372876bf0

    SHA1

    ccf727bd273bdc31ce158a46cfd151fc2b9b85d5

    SHA256

    6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817

    SHA512

    70b1d7f26c2636084a6550d9ec3ef9d82a89d8316aa15c7b7877f665e5beb164bfcefb77b06f05865f38bb10e05e64f0c48c038fe4f9792c987ec7acfce09805

  • 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

    7ed765e1822c0282b5cb9ce85ba26d50

    SHA1

    f777f1d35408ba2748cd2d7cbcb7919e3579bd04

    SHA256

    abaa673cd0fc8e71d545bd989d922643386371ddb20d52474ad163f4ee27891d

    SHA512

    2d0d9010cc0a7ca4a13f8a8ef0ab80b6e65bcf0fa47f82a5a9964cc9cddd562d7e01680676dda36c994e4ad50a304dea37fe5563755442a2d39d8d8c0df0bb3a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pnjemssi.l41.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\rsouiulfozqpxhxprqwjsdtpeqstujfh

    Filesize

    4KB

    MD5

    636c8230de66506aa2bdb3deee259503

    SHA1

    244299ce9ed66e9bed0c458c28fa3c417eeabdee

    SHA256

    98e7ebb0441c43ba079892f7fd1e9c1360d9d0e6d37575e452944fa0b08638d4

    SHA512

    fb5756dc8c9726be7b7629230ca5cf12c59f7d01225b9b73f08953bd02087bef10e1d2cdb6ed717776d683bd5ce523a069a6ab081992839a238056d57fc4eb6e

  • memory/316-70-0x0000000007AF0000-0x0000000007B86000-memory.dmp

    Filesize

    600KB

  • memory/316-63-0x0000000006B50000-0x0000000006B6E000-memory.dmp

    Filesize

    120KB

  • memory/316-78-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/316-75-0x0000000007B90000-0x0000000007B98000-memory.dmp

    Filesize

    32KB

  • memory/316-67-0x0000000007EB0000-0x000000000852A000-memory.dmp

    Filesize

    6.5MB

  • memory/316-14-0x0000000002C60000-0x0000000002C96000-memory.dmp

    Filesize

    216KB

  • memory/316-16-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/316-73-0x0000000007AB0000-0x0000000007AC4000-memory.dmp

    Filesize

    80KB

  • memory/316-17-0x0000000002C50000-0x0000000002C60000-memory.dmp

    Filesize

    64KB

  • memory/316-72-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

    Filesize

    56KB

  • memory/316-21-0x0000000005690000-0x0000000005CB8000-memory.dmp

    Filesize

    6.2MB

  • memory/316-20-0x0000000002C50000-0x0000000002C60000-memory.dmp

    Filesize

    64KB

  • memory/316-71-0x0000000007A70000-0x0000000007A81000-memory.dmp

    Filesize

    68KB

  • memory/316-69-0x00000000078E0000-0x00000000078EA000-memory.dmp

    Filesize

    40KB

  • memory/316-32-0x0000000005490000-0x00000000054B2000-memory.dmp

    Filesize

    136KB

  • memory/316-36-0x0000000005EE0000-0x0000000005F46000-memory.dmp

    Filesize

    408KB

  • memory/316-52-0x0000000006B10000-0x0000000006B42000-memory.dmp

    Filesize

    200KB

  • memory/316-74-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

    Filesize

    104KB

  • memory/316-68-0x0000000007870000-0x000000000788A000-memory.dmp

    Filesize

    104KB

  • memory/316-53-0x00000000711C0000-0x000000007120C000-memory.dmp

    Filesize

    304KB

  • memory/316-46-0x0000000006050000-0x00000000063A4000-memory.dmp

    Filesize

    3.3MB

  • memory/316-34-0x0000000005E70000-0x0000000005ED6000-memory.dmp

    Filesize

    408KB

  • memory/316-49-0x0000000006550000-0x000000000656E000-memory.dmp

    Filesize

    120KB

  • memory/316-50-0x0000000006580000-0x00000000065CC000-memory.dmp

    Filesize

    304KB

  • memory/316-51-0x000000007F6A0000-0x000000007F6B0000-memory.dmp

    Filesize

    64KB

  • memory/316-66-0x0000000007730000-0x00000000077D3000-memory.dmp

    Filesize

    652KB

  • memory/316-65-0x0000000002C50000-0x0000000002C60000-memory.dmp

    Filesize

    64KB

  • memory/316-64-0x0000000002C50000-0x0000000002C60000-memory.dmp

    Filesize

    64KB

  • memory/1504-92-0x00000000021B0000-0x00000000021C0000-memory.dmp

    Filesize

    64KB

  • memory/1504-87-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-131-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1504-129-0x0000000007100000-0x0000000007114000-memory.dmp

    Filesize

    80KB

  • memory/1504-126-0x00000000070C0000-0x00000000070D1000-memory.dmp

    Filesize

    68KB

  • memory/1504-123-0x00000000021B0000-0x00000000021C0000-memory.dmp

    Filesize

    64KB

  • memory/1504-108-0x000000007F080000-0x000000007F090000-memory.dmp

    Filesize

    64KB

  • memory/1504-121-0x00000000021B0000-0x00000000021C0000-memory.dmp

    Filesize

    64KB

  • memory/1504-122-0x0000000006E00000-0x0000000006EA3000-memory.dmp

    Filesize

    652KB

  • memory/1504-110-0x0000000071D40000-0x0000000071D8C000-memory.dmp

    Filesize

    304KB

  • memory/1504-107-0x0000000005BD0000-0x0000000005C1C000-memory.dmp

    Filesize

    304KB

  • memory/1504-105-0x0000000005650000-0x00000000059A4000-memory.dmp

    Filesize

    3.3MB

  • memory/1504-89-0x00000000021B0000-0x00000000021C0000-memory.dmp

    Filesize

    64KB

  • memory/1748-128-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-188-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-83-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-196-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-197-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-93-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-157-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1748-94-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-97-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-88-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-189-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-85-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-161-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1748-162-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1748-160-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1748-111-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-109-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-163-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-164-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1748-173-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-181-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-124-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-180-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1748-172-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1780-7-0x0000000005C40000-0x0000000005C4E000-memory.dmp

    Filesize

    56KB

  • memory/1780-6-0x0000000005A90000-0x0000000005AA2000-memory.dmp

    Filesize

    72KB

  • memory/1780-8-0x0000000006810000-0x00000000068E8000-memory.dmp

    Filesize

    864KB

  • memory/1780-0-0x0000000000F30000-0x000000000103A000-memory.dmp

    Filesize

    1.0MB

  • memory/1780-2-0x0000000005FB0000-0x0000000006554000-memory.dmp

    Filesize

    5.6MB

  • memory/1780-5-0x0000000005A10000-0x0000000005A1A000-memory.dmp

    Filesize

    40KB

  • memory/1780-1-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1780-15-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/1780-9-0x0000000008EA0000-0x0000000008F3C000-memory.dmp

    Filesize

    624KB

  • memory/1780-3-0x0000000005AA0000-0x0000000005B32000-memory.dmp

    Filesize

    584KB

  • memory/1780-4-0x0000000005990000-0x00000000059A0000-memory.dmp

    Filesize

    64KB

  • memory/2328-134-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2328-140-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2328-142-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2328-150-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3236-33-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3236-48-0x0000000005770000-0x0000000005782000-memory.dmp

    Filesize

    72KB

  • memory/3236-47-0x0000000005850000-0x0000000005860000-memory.dmp

    Filesize

    64KB

  • memory/3236-91-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3264-132-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3264-144-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3264-154-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3264-138-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4332-146-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4332-152-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4332-151-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/4332-139-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/5012-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5012-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5012-13-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5012-11-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5012-10-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB