Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2024 14:02

General

  • Target

    e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe

  • Size

    878KB

  • MD5

    80cfda135a7c57063e8eb5a38660ae07

  • SHA1

    212fdff074e62dae3a52a771fc86fdf39d0c0104

  • SHA256

    e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf

  • SHA512

    e3132b360e6e56f6e1e87530c88cb5594052d29fc13fc3f7b2777b81bf02c0c22fbb8cf81cbd55aae1551d4a59ffb9c4e69ba31a79499211c1de8703757ab691

  • SSDEEP

    24576:zcB82Da9a3eu75lyvIgVIus7NZ4dUpoC1n1:469aOu736Ig0N/F11

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.projectusf.com:2404

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

    gfh

  • mouse_option

    false

  • mutex

    Rmc-J91LMC

  • 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.

  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • 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.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
    "C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uEOzlLKIrzO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4084
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uEOzlLKIrzO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE06D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:112
    • C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
      "C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
        C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe /stext "C:\Users\Admin\AppData\Local\Temp\bfld"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3780
      • C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
        C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe /stext "C:\Users\Admin\AppData\Local\Temp\mhqogigt"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:5088
      • C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe
        C:\Users\Admin\AppData\Local\Temp\e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf.exe /stext "C:\Users\Admin\AppData\Local\Temp\wbvhhbrubeq"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\gfh\logs.dat

    Filesize

    144B

    MD5

    554109dc2baf7df922c9c3004f017ed1

    SHA1

    b7585e0e771f7f4024d2534adc3fbe8e88651db6

    SHA256

    4e69498447e9a7f6ca0d49264e3ec160876b8b24564812a24792f123a2651b63

    SHA512

    1f67fbed2e7023ece5e64b9920e94a7e661eeea0f66e2a55cba3b89beea8b2432dc74dd05d3094adcb66e721eb6d8f7b38cadeddf5251351cb33815b8a1df781

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l4dozncs.5lr.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    4KB

    MD5

    ac300aeaf27709e2067788fdd4624843

    SHA1

    e98edd4615d35de96e30f1a0e13c05b42ee7eb7b

    SHA256

    d2637d58bb120dc6fefe2f38d6e0d4b308006b8639106a7f9e915fa80b5cc9d9

    SHA512

    09c46e708f9d253dccd4d943639d9f8126f868ae3dcd951aad12222bb98b5d3814676f878c8391b9bdab5dedcf5b9e9eaeb2ad3ffec57bda875198735586d4df

  • C:\Users\Admin\AppData\Local\Temp\tmpE06D.tmp

    Filesize

    1KB

    MD5

    7823b29d7db8e69904783c3b51c3a697

    SHA1

    182ab3bba1358233822967c0a9e928ec3052a50f

    SHA256

    642093ba733e904949b5833b068f3ee71465b4656359934536c375138d33abb9

    SHA512

    0316f6f2dd246d0b77755673a7a44cb043e0c79d88126bd665ac00b64b109f76e1c3718d0122bfcb0fca45252ca1cbb41d19e289b83a02ef2e381d878c08af95

  • memory/396-97-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/396-121-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-112-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-120-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-105-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-101-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-98-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-96-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/396-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-51-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-113-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-93-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/396-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-128-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-49-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-48-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-50-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-53-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2160-83-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2160-80-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2160-78-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3780-76-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3780-74-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3780-72-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4084-54-0x0000000006C30000-0x0000000006C62000-memory.dmp

    Filesize

    200KB

  • memory/4084-84-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

    Filesize

    56KB

  • memory/4084-47-0x0000000006750000-0x000000000679C000-memory.dmp

    Filesize

    304KB

  • memory/4084-45-0x0000000006680000-0x000000000669E000-memory.dmp

    Filesize

    120KB

  • memory/4084-65-0x0000000006C70000-0x0000000006C8E000-memory.dmp

    Filesize

    120KB

  • memory/4084-66-0x0000000007690000-0x0000000007733000-memory.dmp

    Filesize

    652KB

  • memory/4084-55-0x000000006F680000-0x000000006F6CC000-memory.dmp

    Filesize

    304KB

  • memory/4084-68-0x00000000079A0000-0x00000000079BA000-memory.dmp

    Filesize

    104KB

  • memory/4084-67-0x0000000007FE0000-0x000000000865A000-memory.dmp

    Filesize

    6.5MB

  • memory/4084-69-0x0000000007A10000-0x0000000007A1A000-memory.dmp

    Filesize

    40KB

  • memory/4084-70-0x0000000007C20000-0x0000000007CB6000-memory.dmp

    Filesize

    600KB

  • memory/4084-71-0x0000000007BA0000-0x0000000007BB1000-memory.dmp

    Filesize

    68KB

  • memory/4084-16-0x0000000002D80000-0x0000000002DB6000-memory.dmp

    Filesize

    216KB

  • memory/4084-20-0x0000000074D50000-0x0000000075500000-memory.dmp

    Filesize

    7.7MB

  • memory/4084-19-0x00000000058D0000-0x0000000005EF8000-memory.dmp

    Filesize

    6.2MB

  • memory/4084-17-0x0000000074D50000-0x0000000075500000-memory.dmp

    Filesize

    7.7MB

  • memory/4084-21-0x0000000074D50000-0x0000000075500000-memory.dmp

    Filesize

    7.7MB

  • memory/4084-32-0x0000000005FE0000-0x0000000006046000-memory.dmp

    Filesize

    408KB

  • memory/4084-44-0x0000000006050000-0x00000000063A4000-memory.dmp

    Filesize

    3.3MB

  • memory/4084-27-0x0000000005F70000-0x0000000005FD6000-memory.dmp

    Filesize

    408KB

  • memory/4084-91-0x0000000074D50000-0x0000000075500000-memory.dmp

    Filesize

    7.7MB

  • memory/4084-26-0x00000000058A0000-0x00000000058C2000-memory.dmp

    Filesize

    136KB

  • memory/4084-85-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

    Filesize

    80KB

  • memory/4084-86-0x0000000007CE0000-0x0000000007CFA000-memory.dmp

    Filesize

    104KB

  • memory/4084-87-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

    Filesize

    32KB

  • memory/5076-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/5076-5-0x0000000005600000-0x000000000560A000-memory.dmp

    Filesize

    40KB

  • memory/5076-46-0x0000000074D50000-0x0000000075500000-memory.dmp

    Filesize

    7.7MB

  • memory/5076-9-0x0000000074D50000-0x0000000075500000-memory.dmp

    Filesize

    7.7MB

  • memory/5076-7-0x0000000005890000-0x00000000058A0000-memory.dmp

    Filesize

    64KB

  • memory/5076-6-0x0000000006C90000-0x0000000006D6A000-memory.dmp

    Filesize

    872KB

  • memory/5076-8-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

    Filesize

    4KB

  • memory/5076-4-0x0000000074D50000-0x0000000075500000-memory.dmp

    Filesize

    7.7MB

  • memory/5076-10-0x0000000006A20000-0x0000000006AE0000-memory.dmp

    Filesize

    768KB

  • memory/5076-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

    Filesize

    5.6MB

  • memory/5076-1-0x0000000000B20000-0x0000000000C02000-memory.dmp

    Filesize

    904KB

  • memory/5076-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

    Filesize

    4KB

  • memory/5076-11-0x00000000094B0000-0x000000000954C000-memory.dmp

    Filesize

    624KB

  • memory/5088-73-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/5088-77-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/5088-75-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB