Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 06:41

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

Signatures

  • Remcos

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

  • 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
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 7 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 52 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:1944
    • 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:1148
      • 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\wxpxdzxugpoa"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1620
      • 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\yruiwjiwuxgfenu"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1928
      • 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\jtaaxcspifysgtqbcw"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1320
      • C:\Users\Admin\AppData\Local\Temp\dwn.exe
        "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:756
        • C:\Users\Admin\AppData\Local\Temp\dwn.exe
          "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
          4⤵
          • Executes dropped EXE
          PID:1820
        • C:\Users\Admin\AppData\Local\Temp\dwn.exe
          "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
          4⤵
          • Executes dropped EXE
          PID:1520
        • C:\Users\Admin\AppData\Local\Temp\dwn.exe
          "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
          4⤵
          • Executes dropped EXE
          PID:1596
        • C:\Users\Admin\AppData\Local\Temp\dwn.exe
          "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
          4⤵
          • Executes dropped EXE
          PID:1592
        • C:\Users\Admin\AppData\Local\Temp\dwn.exe
          "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
          4⤵
          • Executes dropped EXE
          PID:1308

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

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\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\dwn.exe
    Filesize

    613KB

    MD5

    eff616818b69ebbbf35c3147f6728920

    SHA1

    de38e874fbdcdd0146e95acff653d553a4221a0f

    SHA256

    be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

    SHA512

    056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

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

  • \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

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

    613KB

    MD5

    eff616818b69ebbbf35c3147f6728920

    SHA1

    de38e874fbdcdd0146e95acff653d553a4221a0f

    SHA256

    be6cf44f8757472e0cd404392086f7f94352fa22e512d66b8420c51ab4a6b566

    SHA512

    056f246a8dc68fcb25bb8cd65e09bad69449dd826395d069f93b081462c86e4980674414dcc6467e4dce4db7e2a73a793101e9320ff6df1db24ab297a00650f2

  • memory/756-98-0x0000000004D00000-0x0000000004D5C000-memory.dmp
    Filesize

    368KB

  • memory/756-99-0x0000000000680000-0x00000000006A2000-memory.dmp
    Filesize

    136KB

  • memory/756-90-0x0000000000180000-0x0000000000220000-memory.dmp
    Filesize

    640KB

  • memory/756-86-0x0000000000000000-mapping.dmp
  • memory/1148-97-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-63-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-60-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-61-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-65-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-77-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-76-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-73-0x00000000004327A4-mapping.dmp
  • memory/1148-72-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-66-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-67-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-68-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1148-70-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1320-80-0x0000000000422206-mapping.dmp
  • memory/1320-87-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/1620-93-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

  • memory/1620-78-0x0000000000476274-mapping.dmp
  • memory/1620-94-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

  • memory/1928-96-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1928-92-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1928-79-0x0000000000455238-mapping.dmp
  • memory/1944-54-0x0000000000C30000-0x0000000000D28000-memory.dmp
    Filesize

    992KB

  • memory/1944-59-0x0000000007EA0000-0x0000000007F1C000-memory.dmp
    Filesize

    496KB

  • memory/1944-58-0x0000000007D50000-0x0000000007E02000-memory.dmp
    Filesize

    712KB

  • memory/1944-57-0x0000000000410000-0x000000000041C000-memory.dmp
    Filesize

    48KB

  • memory/1944-56-0x00000000005D0000-0x00000000005E8000-memory.dmp
    Filesize

    96KB

  • memory/1944-55-0x0000000075CF1000-0x0000000075CF3000-memory.dmp
    Filesize

    8KB