Resubmissions

27-08-2024 09:33

240827-lh58gatgme 10

24-08-2024 14:41

240824-r2eshswgrk 10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27-08-2024 09:33

General

  • Target

    5ba3af74071e58c1f18c22ac35c6cbb7.exe

  • Size

    2.5MB

  • MD5

    5ba3af74071e58c1f18c22ac35c6cbb7

  • SHA1

    7ae9c93f0c69bc86cd7d1abcf34340667a2d791c

  • SHA256

    2e6db642fad3918398b520cf655d6ca7fc040bd177e30a30bd7f549adb4e48c0

  • SHA512

    198fe5be5cbfb1be083a91b8c07ce00204cb925a7b605ad7f72648888ac5f723349694dcd0472cdc7271b40e2948ccee23c80cde31b23de837cff3945cbd4b8e

  • SSDEEP

    49152:XwREDDMAfQRw4z0g3Q1edHeMxWrP+beY7UY714:XwREzfQRDzJQ1edMwZgN

Malware Config

Extracted

Family

remcos

Botnet

Mentor

C2

hulolawyo199jestie01.duckdns.org:4871

hulolawyo199jestie01.duckdns.org:4872

hulolawyo199jestie02.duckdns.org:4871

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    nabytrotis.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    janoutgurf-P6FGU2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 1 IoCs
  • Remcos

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

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ba3af74071e58c1f18c22ac35c6cbb7.exe
    "C:\Users\Admin\AppData\Local\Temp\5ba3af74071e58c1f18c22ac35c6cbb7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Users\Admin\AppData\Local\Temp\is-NGEJC.tmp\5ba3af74071e58c1f18c22ac35c6cbb7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NGEJC.tmp\5ba3af74071e58c1f18c22ac35c6cbb7.tmp" /SL5="$13022C,1651783,845824,C:\Users\Admin\AppData\Local\Temp\5ba3af74071e58c1f18c22ac35c6cbb7.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:868
      • C:\Users\Admin\AppData\Local\Temp\is-UJH5J.tmp\fzxujk.exe
        "C:\Users\Admin\AppData\Local\Temp\is-UJH5J.tmp\fzxujk.exe" C:\Users\Admin\AppData\Local\Temp\is-UJH5J.tmp\script.a3x
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:1544
        • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe
          "C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:5076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-NGEJC.tmp\5ba3af74071e58c1f18c22ac35c6cbb7.tmp

    Filesize

    3.2MB

    MD5

    e587511f17c07622f2e88bde6dc2a499

    SHA1

    08899e43445db2e0d000b3afd80e028636786eeb

    SHA256

    9fbf0748b5d890c2c28b1ae20aad7fc23a93cc7a57c4a51220d9381af7637c60

    SHA512

    2e59d9c525c5383c4ea66c785584aa69256a47ffe928a6595cc2bf07469d2da4dd56dcd3d3d42496e593c39eec6356fc4c8a9cdeee6770c7e6c3319b8b614c6e

  • C:\Users\Admin\AppData\Local\Temp\is-UJH5J.tmp\fzxujk.exe

    Filesize

    872KB

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • C:\Users\Admin\AppData\Local\Temp\is-UJH5J.tmp\script.a3x

    Filesize

    653KB

    MD5

    9ca5723b051b92f691e7a7b429f79bca

    SHA1

    7824fc09ac6a7e8e7517e084e4bf28db4e68e991

    SHA256

    67ab963c9d63cf6343277d63bdd7160329d9a13597cc2f59233883d19adb0309

    SHA512

    9fa68bb561c31e9e2a5655b54f10df771777ac8eec76de757bedac0011893a8a547d52f0aca59a6d07624675d34766fa8bbede514a22432d58b1ab3775502638

  • memory/868-7-0x00000000003D0000-0x0000000000713000-memory.dmp

    Filesize

    3.3MB

  • memory/868-29-0x00000000003D0000-0x0000000000713000-memory.dmp

    Filesize

    3.3MB

  • memory/868-26-0x00000000003D0000-0x0000000000713000-memory.dmp

    Filesize

    3.3MB

  • memory/1544-16-0x0000000000ED0000-0x00000000012D0000-memory.dmp

    Filesize

    4.0MB

  • memory/4476-25-0x00000000005E0000-0x00000000006BC000-memory.dmp

    Filesize

    880KB

  • memory/4476-2-0x00000000005E1000-0x0000000000689000-memory.dmp

    Filesize

    672KB

  • memory/4476-31-0x00000000005E0000-0x00000000006BC000-memory.dmp

    Filesize

    880KB

  • memory/4476-0-0x00000000005E0000-0x00000000006BC000-memory.dmp

    Filesize

    880KB

  • memory/5076-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5076-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5076-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5076-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5076-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5076-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/5076-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB