Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 15:17

General

  • Target

    Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe

  • Size

    789KB

  • MD5

    92e917f439cc408828a0629d80fdb043

  • SHA1

    ffcf08807371521fb40a31aff774e3275cd4338d

  • SHA256

    6959fb446ee0634e6622e50f0f1b9367bffddf12f8083507cdc0ff39ed50abf4

  • SHA512

    c78fa619b27defc8a458a841b7fa20fe84e738e2d13203d0c8f454adb83555da99c574105bc36d4aeb765ee0cb67d158a1828fb2f88a92d1f6dcc51c7dfd5f9a

  • SSDEEP

    12288:GtomEHbPcEFdCSdWdQqOFvvcW/5W4MiTFroRnk9YZaax8NNAta67Qi5vz8s+u+K+:TN7PcKd66MWjBroRbkOQ/t

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

162.251.122.87:2404

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-UOMZ21

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • Detected Nirsoft tools 8 IoCs

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

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Loads dropped DLL 2 IoCs
  • 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe
    "C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe
      "C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe
        "C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe" /stext "C:\Users\Admin\AppData\Local\Temp\zqvyxyuqzcyyluzdptcmjuydbbhzj"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1660
      • C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe
        "C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe" /stext "C:\Users\Admin\AppData\Local\Temp\bsbqyqfrnkqlvivhgexntztmchzikkjj"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:276
      • C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe
        "C:\Users\Admin\AppData\Local\Temp\Ref GEC409876 CONSTRUCTION OF MAJLIS PROJECT IN SAADIYAT, ABU DHABI.exe" /stext "C:\Users\Admin\AppData\Local\Temp\mmgb"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    727899531485eb2836e70a9831f804d3

    SHA1

    dda21bc2fce631260779c35e39cf02903471c7b1

    SHA256

    5ef47fe77ab87f899ed4519afe5056bb0959fae4721d5c93096ac2767a684fec

    SHA512

    9617b45e0ba46b35ede0cc09bd9ff6688dec4cb91d8983d7ff68a7d545bb4b6ca7367d51ce411381e0a12c8560062f961f6fed9a1a84f207e58147f584f1e632

  • C:\Users\Admin\AppData\Local\Temp\Settings.ini

    Filesize

    52B

    MD5

    87c38dc6ef4616ff016d1ccc1a793086

    SHA1

    afc6434aaad4fb1a250af0d167dab718da10b4af

    SHA256

    781c527a7a89fdbfa481bf8800e255dc1b69e47b2b68040dc39103c114e31849

    SHA512

    cc8ef7d9c98fb663c79a4a00fd68344f7aa3dba27d68b3aef463c758a74aebf8190c8a9532fe91bc7db32e78ff2c48c43230f03da226f9a9ef288324efebf0fe

  • C:\Users\Admin\AppData\Local\Temp\nsdC257.tmp

    Filesize

    74B

    MD5

    16d513397f3c1f8334e8f3e4fc49828f

    SHA1

    4ee15afca81ca6a13af4e38240099b730d6931f0

    SHA256

    d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36

    SHA512

    4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3

  • C:\Users\Admin\AppData\Local\Temp\nsdC345.tmp

    Filesize

    56B

    MD5

    4ff83567cd3f682cb62e957f312f61a0

    SHA1

    5bb6b4b35e74fb335211813b25025166939ddf10

    SHA256

    9a2382a1ededef09ef70d6dfcea50be1594799e518a9f89c111875301539a2ae

    SHA512

    e7fbb21a2eaee93f4f607b77476c8605a7233cb16c0ef576fac05235252c5a0dab338277749a9a38babf9163d9d582d481e2a739ebbb578bfb3b813fc36a678e

  • C:\Users\Admin\AppData\Local\Temp\nsjC315.tmp

    Filesize

    52B

    MD5

    5d04a35d3950677049c7a0cf17e37125

    SHA1

    cafdd49a953864f83d387774b39b2657a253470f

    SHA256

    a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266

    SHA512

    c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b

  • C:\Users\Admin\AppData\Local\Temp\nstC356.tmp

    Filesize

    30B

    MD5

    f15bfdebb2df02d02c8491bde1b4e9bd

    SHA1

    93bd46f57c3316c27cad2605ddf81d6c0bde9301

    SHA256

    c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043

    SHA512

    1757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1

  • C:\Users\Admin\AppData\Local\Temp\nsyC325.tmp

    Filesize

    60B

    MD5

    df8379d971f8775d91cd01506f558897

    SHA1

    e28ff2839b7cf171ce3540cb2de64fa18db9b12c

    SHA256

    ae63da186497c9240a3af76e8e52198426c3492aa7dcc62e8910405ef981ecec

    SHA512

    ac091f635bc253fed0c5c9e516f4e58968033793c66b2ec3e5ed31aa42d63667d85f1661ca6fbe8cfc28ad59b07d903556987c7f79aa59610934c3d6f6f60f02

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • \Users\Admin\AppData\Local\Temp\nsjC314.tmp\System.dll

    Filesize

    11KB

    MD5

    ca332bb753b0775d5e806e236ddcec55

    SHA1

    f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

    SHA256

    df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

    SHA512

    2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

  • memory/276-596-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/276-602-0x0000000076E10000-0x0000000076FB9000-memory.dmp

    Filesize

    1.7MB

  • memory/276-598-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/276-594-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/276-619-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/276-606-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/904-603-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/904-601-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/904-608-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/904-607-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/904-605-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1660-599-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1660-604-0x0000000076E10000-0x0000000076FB9000-memory.dmp

    Filesize

    1.7MB

  • memory/1660-600-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1660-614-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1660-597-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2236-581-0x0000000003EE0000-0x0000000004ABF000-memory.dmp

    Filesize

    11.9MB

  • memory/2236-579-0x0000000076E10000-0x0000000076FB9000-memory.dmp

    Filesize

    1.7MB

  • memory/2236-578-0x0000000076E11000-0x0000000076F12000-memory.dmp

    Filesize

    1.0MB

  • memory/2236-577-0x0000000003EE0000-0x0000000004ABF000-memory.dmp

    Filesize

    11.9MB

  • memory/2508-580-0x0000000076E10000-0x0000000076FB9000-memory.dmp

    Filesize

    1.7MB

  • memory/2508-588-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-617-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-586-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-624-0x0000000032D80000-0x0000000032D99000-memory.dmp

    Filesize

    100KB

  • memory/2508-625-0x0000000032D80000-0x0000000032D99000-memory.dmp

    Filesize

    100KB

  • memory/2508-621-0x0000000032D80000-0x0000000032D99000-memory.dmp

    Filesize

    100KB

  • memory/2508-582-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-627-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-631-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-633-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-636-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-639-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-642-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-645-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-648-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-654-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2508-657-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB