Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 06:43

General

  • Target

    ORDER ENQUIRY 22.11.21.exe

  • Size

    965KB

  • MD5

    0f30923fef1943c6444512e4da3987d4

  • SHA1

    b1cfa49c4ac292f26cd04c1442eb2d7bcffc3e0a

  • SHA256

    7666415f1d2f03e6a14e4f058b012ec6ed4a77cd3ecd1398817b2ac97b25cbc5

  • SHA512

    ced07b8a11bdc5ebbe1396262efc937946f150c9cbfa2e5d812012cdc9e974f501a70b687f4b0debef0ca9da00d72748f217693cf02da0c4c7ab4518f584407e

  • SSDEEP

    24576:0pn3wdfEYxdAXYVWYc0Lsz33ygpjbh4+L74mBfNUstzo:yn2fbdAXY8Y9L43yg

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

C2

valvesco.duckdns.org:5050

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-48V73L

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

warzonerat

C2

valvesco.duckdns.org:5353

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.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 5 IoCs
  • Warzone RAT payload 9 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe
      "C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:628
      • C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe
        "C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe" /stext "C:\Users\Admin\AppData\Local\Temp\vtqqhrh"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1356
      • C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe
        "C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xwwbikrqurc"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:556
      • C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe
        "C:\Users\Admin\AppData\Local\Temp\ORDER ENQUIRY 22.11.21.exe" /stext "C:\Users\Admin\AppData\Local\Temp\iqbtjcckizucip"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1612
      • C:\Users\Admin\AppData\Local\Temp\dwn.exe
        "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1216
        • C:\Users\Admin\AppData\Local\Temp\dwn.exe
          "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:932
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe"
            5⤵
              PID:1312

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      613KB

      MD5

      eff616818b69ebbbf35c3147f6728920

      SHA1

      de38e874fbdcdd0146e95acff653d553a4221a0f

      SHA256

      be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

      SHA512

      056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

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

      Filesize

      613KB

      MD5

      eff616818b69ebbbf35c3147f6728920

      SHA1

      de38e874fbdcdd0146e95acff653d553a4221a0f

      SHA256

      be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

      SHA512

      056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

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

      Filesize

      613KB

      MD5

      eff616818b69ebbbf35c3147f6728920

      SHA1

      de38e874fbdcdd0146e95acff653d553a4221a0f

      SHA256

      be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

      SHA512

      056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • \Users\Admin\AppData\Local\Temp\dwn.exe

      Filesize

      613KB

      MD5

      eff616818b69ebbbf35c3147f6728920

      SHA1

      de38e874fbdcdd0146e95acff653d553a4221a0f

      SHA256

      be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

      SHA512

      056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

    • \Users\Admin\AppData\Local\Temp\dwn.exe

      Filesize

      613KB

      MD5

      eff616818b69ebbbf35c3147f6728920

      SHA1

      de38e874fbdcdd0146e95acff653d553a4221a0f

      SHA256

      be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

      SHA512

      056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

    • \Users\Admin\AppData\Local\Temp\dwn.exe

      Filesize

      613KB

      MD5

      eff616818b69ebbbf35c3147f6728920

      SHA1

      de38e874fbdcdd0146e95acff653d553a4221a0f

      SHA256

      be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

      SHA512

      056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

    • memory/556-79-0x0000000000455238-mapping.dmp

    • memory/556-96-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/556-93-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/628-70-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-63-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-68-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-97-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-72-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-73-0x00000000004327A4-mapping.dmp

    • memory/628-76-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-77-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-60-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-66-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-61-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-67-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/628-65-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/932-109-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-116-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-110-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-111-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-112-0x0000000000405CE2-mapping.dmp

    • memory/932-107-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-106-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-104-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-118-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-117-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-121-0x0000000003080000-0x0000000003180000-memory.dmp

      Filesize

      1024KB

    • memory/932-102-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/932-101-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/1216-90-0x0000000000800000-0x00000000008A0000-memory.dmp

      Filesize

      640KB

    • memory/1216-99-0x00000000007D0000-0x00000000007F2000-memory.dmp

      Filesize

      136KB

    • memory/1216-98-0x00000000022A0000-0x00000000022FC000-memory.dmp

      Filesize

      368KB

    • memory/1216-87-0x0000000000000000-mapping.dmp

    • memory/1312-119-0x0000000000000000-mapping.dmp

    • memory/1312-120-0x0000000000120000-0x0000000000121000-memory.dmp

      Filesize

      4KB

    • memory/1356-94-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/1356-92-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/1356-78-0x0000000000476274-mapping.dmp

    • memory/1612-84-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/1612-82-0x0000000000422206-mapping.dmp

    • memory/2000-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

      Filesize

      8KB

    • memory/2000-56-0x00000000002A0000-0x00000000002B8000-memory.dmp

      Filesize

      96KB

    • memory/2000-57-0x0000000000280000-0x000000000028C000-memory.dmp

      Filesize

      48KB

    • memory/2000-58-0x0000000008100000-0x00000000081B2000-memory.dmp

      Filesize

      712KB

    • memory/2000-59-0x00000000051B0000-0x000000000522C000-memory.dmp

      Filesize

      496KB

    • memory/2000-54-0x0000000001070000-0x0000000001168000-memory.dmp

      Filesize

      992KB