Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 07:36

General

  • Target

    SIP_20252780935456808324578723572956.exe

  • Size

    1.0MB

  • MD5

    725d50e3d1d33e570efef92c4f72dd1c

  • SHA1

    059a6d565986ab372f99a7e86ea612aad3c6e190

  • SHA256

    76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8

  • SHA512

    1b9ee427dc492b9451ae4530f0e234bcc9002df681351591da14102d9464ca99f07678f8fbf3d82dd8deaccc42d2f318ab1b40256e25098a51ff1484280a3cf9

  • SSDEEP

    24576:JhNsRGf7gedBIuxEi6Vm0oGLyMryTptU242bY96DVjaFF:JXsleXIoA4eLyXt5k6ZjoF

Malware Config

Extracted

Family

remcos

Botnet

MONDAY454

C2

sungito333.ddns.net:5590

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-R5Q1RM

  • 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.

  • Remcos family
  • 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 2 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 8 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 10 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe
    "C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1668
    • 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\SIP_20252780935456808324578723572956.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cORjjxAPNjnQU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:932
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cORjjxAPNjnQU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F97.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1616
    • C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe
      "C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe
        C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe /stext "C:\Users\Admin\AppData\Local\Temp\pktxmpqrudrnvpxgx"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3920
      • C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe
        C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe /stext "C:\Users\Admin\AppData\Local\Temp\zfyqnhalqljsfvtkolbq"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:3928
      • C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe
        C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe /stext "C:\Users\Admin\AppData\Local\Temp\khdiozlmetbxhbhoywnrdcw"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    c839b2e4fa5816c2833825d8f14b42e7

    SHA1

    f9ce79e04daae7c9e7b67cda7e7de30fb3a6bb84

    SHA256

    fce32e46eec6a535f40c44f8da2fed3e58a797e3a2e6e9c6aa9ba19e29cdd3ec

    SHA512

    c17106f516f890cf812ae718975212e84a8038709c5410d501211f8e497e7ba95a28986cea2d8a816e025d0120ea2bd6081c5af105e700c1c1063aace8cabcfb

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    ba246bd2d86f16b8e701e797989d424b

    SHA1

    048769be2e48bd66ddedbfcf9d40addb6168fc16

    SHA256

    37c38ce312bc65167a7a6208217dedc66559bd6dd149472fd7001a8e9db310ad

    SHA512

    473fedc38e188d36b1f2f3db119a5c6c1e8676a24392a64b60198ab38c6725a909b8564892608760cc2dfc6a1b4f72cf4370740f97dcb0722d3fd4e0faa57bec

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    528B

    MD5

    ed60023114c34edfc0e4259c48ee3f98

    SHA1

    5191a414bbcd480fc0b0032c1a6a47e52c881370

    SHA256

    345c4031418a969189a25c75cab61396eee1d1633c8af7be1faf8698aac1038c

    SHA512

    9481ddfd8930695c0ef64fdccea0a58d3c2d9791c82432623ed88cbe165ff8f69d55ab08b74862cc92df94393d573e97560f112dff90af6fb5fcd361ea73e236

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_up2pyudi.eta.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    4KB

    MD5

    37ba1b5afd377764e521857e1af16742

    SHA1

    238b7bac788b9a465ad2812cf49b783b9d169e7b

    SHA256

    1f5eb060861aacb6e13fca827470621fee91267ea2e28a9ceaa17c812b315a6e

    SHA512

    0ec22a52c398746db253b7cc1a80dd886f5da1498917c86a661bd01053b13edff0819a0e4effde8cbd1ed8d477a0baf0bb03f164007a9685d848cb29371d90c1

  • C:\Users\Admin\AppData\Local\Temp\tmp2F97.tmp

    Filesize

    1KB

    MD5

    e1d281021d5068068f22b068f0b797ef

    SHA1

    fd263c3a8b0af31aa985943cfa6ad20ecd445f9f

    SHA256

    4bcea37942f405ac775080e5fe93c117aee7fc1e640fc0009609dc96043d7bfe

    SHA512

    bcdcda2a9e529f6f2bcaebd4f7298bacd5a27bc08d5719bc517e55c6a9068fdf59671701e86de89c39ee05d826422210a4bf018fa6faee89724b1c24f8cea688

  • memory/932-111-0x0000000007900000-0x0000000007908000-memory.dmp

    Filesize

    32KB

  • memory/932-35-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/932-78-0x0000000007C30000-0x00000000082AA000-memory.dmp

    Filesize

    6.5MB

  • memory/932-121-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/932-110-0x0000000007920000-0x000000000793A000-memory.dmp

    Filesize

    104KB

  • memory/932-106-0x0000000007820000-0x0000000007834000-memory.dmp

    Filesize

    80KB

  • memory/932-105-0x0000000007810000-0x000000000781E000-memory.dmp

    Filesize

    56KB

  • memory/932-82-0x00000000077E0000-0x00000000077F1000-memory.dmp

    Filesize

    68KB

  • memory/932-81-0x0000000007860000-0x00000000078F6000-memory.dmp

    Filesize

    600KB

  • memory/932-76-0x0000000006890000-0x00000000068AE000-memory.dmp

    Filesize

    120KB

  • memory/932-65-0x00000000072B0000-0x00000000072E2000-memory.dmp

    Filesize

    200KB

  • memory/932-66-0x0000000075590000-0x00000000755DC000-memory.dmp

    Filesize

    304KB

  • memory/932-77-0x00000000072F0000-0x0000000007393000-memory.dmp

    Filesize

    652KB

  • memory/932-80-0x0000000007650000-0x000000000765A000-memory.dmp

    Filesize

    40KB

  • memory/932-79-0x00000000075E0000-0x00000000075FA000-memory.dmp

    Filesize

    104KB

  • memory/932-34-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/932-31-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-2-0x0000000005480000-0x0000000005A24000-memory.dmp

    Filesize

    5.6MB

  • memory/1668-7-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

    Filesize

    4KB

  • memory/1668-1-0x0000000000380000-0x0000000000488000-memory.dmp

    Filesize

    1.0MB

  • memory/1668-8-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-33-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-3-0x0000000004D80000-0x0000000004E12000-memory.dmp

    Filesize

    584KB

  • memory/1668-9-0x00000000061B0000-0x0000000006274000-memory.dmp

    Filesize

    784KB

  • memory/1668-5-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1668-4-0x00000000028E0000-0x00000000028EA000-memory.dmp

    Filesize

    40KB

  • memory/1668-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

    Filesize

    4KB

  • memory/1668-10-0x000000000BD60000-0x000000000BDFC000-memory.dmp

    Filesize

    624KB

  • memory/1668-6-0x0000000005420000-0x000000000543E000-memory.dmp

    Filesize

    120KB

  • memory/1712-116-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1712-150-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-61-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-62-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-64-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-30-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-27-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-23-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-158-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-20-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-32-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-157-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-149-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-108-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-142-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-141-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-134-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-133-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-38-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-128-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-114-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1712-118-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-117-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1712-26-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-59-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-60-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1712-109-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2700-15-0x0000000000A20000-0x0000000000A56000-memory.dmp

    Filesize

    216KB

  • memory/2700-126-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2700-16-0x0000000005000000-0x0000000005628000-memory.dmp

    Filesize

    6.2MB

  • memory/2700-22-0x0000000004ED0000-0x0000000004F36000-memory.dmp

    Filesize

    408KB

  • memory/2700-19-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2700-24-0x0000000004F40000-0x0000000004FA6000-memory.dmp

    Filesize

    408KB

  • memory/2700-57-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

    Filesize

    120KB

  • memory/2700-95-0x0000000075590000-0x00000000755DC000-memory.dmp

    Filesize

    304KB

  • memory/2700-58-0x0000000006070000-0x00000000060BC000-memory.dmp

    Filesize

    304KB

  • memory/2700-36-0x0000000005630000-0x0000000005984000-memory.dmp

    Filesize

    3.3MB

  • memory/2700-37-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2700-21-0x0000000004D30000-0x0000000004D52000-memory.dmp

    Filesize

    136KB

  • memory/2700-17-0x0000000074D00000-0x00000000754B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3272-94-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3272-88-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3272-92-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3920-84-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3920-85-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3920-83-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3928-86-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3928-87-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3928-93-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB