Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 11:19

General

  • Target

    93e5ec67cd1d10c973c786e95927bc36048cbf1594ace9327fcbbdd6056ad8d5.exe

  • Size

    132KB

  • MD5

    9f73bfbf67bd1ea0e84185cf40900b3f

  • SHA1

    3d701f056892300844809aef2c12f403777517df

  • SHA256

    93e5ec67cd1d10c973c786e95927bc36048cbf1594ace9327fcbbdd6056ad8d5

  • SHA512

    3498a32061121013c5351786f0533605c7555506094cefebf79d769d9d4be84ba31d407f69006a02ae920b60ed01ae05b26fcc6d76a3a57fb961cd828f341c09

  • SSDEEP

    3072:K7W9jps0Tx4azG6GweOTir5axbjNCz45LT7a:KwpsERzGKurEXCzeLT7a

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.198.26.25:96

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-IPUJM4

  • 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.

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 6 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
  • Accesses Microsoft Outlook profiles 1 TTPs 2 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 9 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 22 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93e5ec67cd1d10c973c786e95927bc36048cbf1594ace9327fcbbdd6056ad8d5.exe
    "C:\Users\Admin\AppData\Local\Temp\93e5ec67cd1d10c973c786e95927bc36048cbf1594ace9327fcbbdd6056ad8d5.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2892
    • C:\Users\Admin\AppData\Roaming\HvBewisll.exe
      "C:\Users\Admin\AppData\Roaming\HvBewisll.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4860
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XYzIizoO.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3744
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XYzIizoO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3AE.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1040
      • C:\Users\Admin\AppData\Roaming\HvBewisll.exe
        "C:\Users\Admin\AppData\Roaming\HvBewisll.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4044
        • C:\Users\Admin\AppData\Roaming\HvBewisll.exe
          C:\Users\Admin\AppData\Roaming\HvBewisll.exe /stext "C:\Users\Admin\AppData\Local\Temp\gruxhgbrqkr"
          4⤵
          • Executes dropped EXE
          PID:4748
        • C:\Users\Admin\AppData\Roaming\HvBewisll.exe
          C:\Users\Admin\AppData\Roaming\HvBewisll.exe /stext "C:\Users\Admin\AppData\Local\Temp\gruxhgbrqkr"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:3900
        • C:\Users\Admin\AppData\Roaming\HvBewisll.exe
          C:\Users\Admin\AppData\Roaming\HvBewisll.exe /stext "C:\Users\Admin\AppData\Local\Temp\qlaiiymkesjiuid"
          4⤵
          • Executes dropped EXE
          PID:3292
        • C:\Users\Admin\AppData\Roaming\HvBewisll.exe
          C:\Users\Admin\AppData\Roaming\HvBewisll.exe /stext "C:\Users\Admin\AppData\Local\Temp\qlaiiymkesjiuid"
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:3252
        • C:\Users\Admin\AppData\Roaming\HvBewisll.exe
          C:\Users\Admin\AppData\Roaming\HvBewisll.exe /stext "C:\Users\Admin\AppData\Local\Temp\tofajrxmaacnxprdms"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5048
        • C:\Users\Admin\AppData\Local\Temp\bin.exe
          "C:\Users\Admin\AppData\Local\Temp\bin.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:5004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5jndcfe3.ldg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\bin.exe

    Filesize

    266KB

    MD5

    3444544db4f734b7c1010cbb5346e543

    SHA1

    ab526ed65cac137a57fc6eb1b568ca3ca9c752be

    SHA256

    68321f6f080154e08ddc81d5e54ae699d5174a82b8c8818d0af1f072536128aa

    SHA512

    1d2d6913d5a4bc8cef69054fb1dfcc7459aecc43ec595a0abe0dcf752f759290e5537b351d8d02ef2ca698fd7a436fb11516d746d7cb11f3eb220647de80157d

  • C:\Users\Admin\AppData\Local\Temp\freebl3.dll

    Filesize

    326KB

    MD5

    ef12ab9d0b231b8f898067b2114b1bc0

    SHA1

    6d90f27b2105945f9bb77039e8b892070a5f9442

    SHA256

    2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

    SHA512

    2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

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

    Filesize

    4KB

    MD5

    a7e181f6aa185be0ab0ca68b30406fe6

    SHA1

    58c86162658dc609615b8b6400f85c92506dfdc8

    SHA256

    c3071dc55b94db225d9c0f2c1b21c7e8f27dbfd168b85b7d618d8d19950e7ff2

    SHA512

    49969eb10e0bf7925940eb7374451f811658ef9ccfb83b86fb337c4d06c3ba17eb0181f598d9e0ec9ca25bfaf644209ac47b73d62ac924e73d03a4dcf8f8dd0f

  • C:\Users\Admin\AppData\Local\Temp\mozglue.dll

    Filesize

    133KB

    MD5

    75f8cc548cabf0cc800c25047e4d3124

    SHA1

    602676768f9faecd35b48c38a0632781dfbde10c

    SHA256

    fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

    SHA512

    ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

  • C:\Users\Admin\AppData\Local\Temp\msvcp140.dll

    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\nss3.dll

    Filesize

    1.2MB

    MD5

    d7858e8449004e21b01d468e9fd04b82

    SHA1

    9524352071ede21c167e7e4f106e9526dc23ef4e

    SHA256

    78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

    SHA512

    1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

  • C:\Users\Admin\AppData\Local\Temp\softokn3.dll

    Filesize

    141KB

    MD5

    471c983513694ac3002590345f2be0da

    SHA1

    6612b9af4ff6830fa9b7d4193078434ef72f775b

    SHA256

    bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

    SHA512

    a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

  • C:\Users\Admin\AppData\Local\Temp\tmpC3AE.tmp

    Filesize

    1KB

    MD5

    194ed1f5199175634f124bced82ff45b

    SHA1

    a29d49706c9245c1db7a2f3519a54a7dd38c99ef

    SHA256

    72e9ac9b17ed1456cac17ab5b723860a7ea5d9c9059c0961af35efbf106e6560

    SHA512

    4110e14a60cf59a2ee578e20174b60ebf219accc01218e4c6a889d24093e61681deeb33ae2ebf5321ab79b4aeff9ca4b724ab5677805d0177116f63584963654

  • C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll

    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Roaming\HvBewisll.exe

    Filesize

    959KB

    MD5

    87e9dc163cdc5b8045b6f4616804ae99

    SHA1

    7d50f074bcbf0350929b21537c7c77c56bab4e9d

    SHA256

    76a9b296b8de01f5c327a17cdf1159bf9b68eec0025c491624d21acdf56f936b

    SHA512

    872c7a71aa2fcf3f56950ba3ea8b8918f6ce873875f6b9a74ee8fedaa7900b35baaaaf10680ab6eca0123992b1385ff81631a041c450ab58b779ceb604643f68

  • memory/3252-92-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3252-95-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3252-94-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/3744-76-0x00000000070F0000-0x0000000007193000-memory.dmp

    Filesize

    652KB

  • memory/3744-55-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

    Filesize

    120KB

  • memory/3744-40-0x00000000050B0000-0x0000000005116000-memory.dmp

    Filesize

    408KB

  • memory/3744-77-0x0000000007850000-0x0000000007ECA000-memory.dmp

    Filesize

    6.5MB

  • memory/3744-32-0x00000000025D0000-0x0000000002606000-memory.dmp

    Filesize

    216KB

  • memory/3744-41-0x0000000005120000-0x0000000005186000-memory.dmp

    Filesize

    408KB

  • memory/3744-34-0x0000000005220000-0x0000000005848000-memory.dmp

    Filesize

    6.2MB

  • memory/3744-75-0x0000000006450000-0x000000000646E000-memory.dmp

    Filesize

    120KB

  • memory/3744-54-0x0000000005950000-0x0000000005CA4000-memory.dmp

    Filesize

    3.3MB

  • memory/3744-39-0x0000000005010000-0x0000000005032000-memory.dmp

    Filesize

    136KB

  • memory/3744-85-0x0000000007530000-0x0000000007538000-memory.dmp

    Filesize

    32KB

  • memory/3744-78-0x0000000007210000-0x000000000722A000-memory.dmp

    Filesize

    104KB

  • memory/3744-56-0x0000000006490000-0x00000000064DC000-memory.dmp

    Filesize

    304KB

  • memory/3744-84-0x0000000007550000-0x000000000756A000-memory.dmp

    Filesize

    104KB

  • memory/3744-83-0x0000000007450000-0x0000000007464000-memory.dmp

    Filesize

    80KB

  • memory/3744-82-0x0000000007440000-0x000000000744E000-memory.dmp

    Filesize

    56KB

  • memory/3744-81-0x0000000007410000-0x0000000007421000-memory.dmp

    Filesize

    68KB

  • memory/3744-80-0x0000000007490000-0x0000000007526000-memory.dmp

    Filesize

    600KB

  • memory/3744-79-0x0000000007280000-0x000000000728A000-memory.dmp

    Filesize

    40KB

  • memory/3744-64-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

    Filesize

    200KB

  • memory/3744-65-0x00000000700A0000-0x00000000700EC000-memory.dmp

    Filesize

    304KB

  • memory/3900-89-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3900-87-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3900-91-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/4044-61-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-111-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/4044-60-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-59-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-58-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-57-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-38-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-164-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-163-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-162-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-161-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-159-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-160-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-123-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-43-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-122-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-107-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/4044-63-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4044-110-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/4044-112-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4860-19-0x00000000059E0000-0x0000000005F84000-memory.dmp

    Filesize

    5.6MB

  • memory/4860-17-0x000000007317E000-0x000000007317F000-memory.dmp

    Filesize

    4KB

  • memory/4860-25-0x0000000073170000-0x0000000073920000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-22-0x0000000005480000-0x000000000548A000-memory.dmp

    Filesize

    40KB

  • memory/4860-21-0x0000000073170000-0x0000000073920000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-20-0x00000000054D0000-0x0000000005562000-memory.dmp

    Filesize

    584KB

  • memory/4860-24-0x000000007317E000-0x000000007317F000-memory.dmp

    Filesize

    4KB

  • memory/4860-18-0x00000000009A0000-0x0000000000A96000-memory.dmp

    Filesize

    984KB

  • memory/4860-23-0x0000000006DE0000-0x0000000006DF0000-memory.dmp

    Filesize

    64KB

  • memory/4860-27-0x0000000009910000-0x00000000099AC000-memory.dmp

    Filesize

    624KB

  • memory/4860-44-0x0000000073170000-0x0000000073920000-memory.dmp

    Filesize

    7.7MB

  • memory/4860-26-0x00000000072B0000-0x0000000007370000-memory.dmp

    Filesize

    768KB

  • memory/5048-99-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/5048-98-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/5048-96-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB