Analysis

  • max time kernel
    88s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-03-2023 02:30

General

  • Target

    88e2c224f157a4c5110c8ad9c703f79a4c92528bfabfb16b6e362a274157e1c3.exe

  • Size

    550KB

  • MD5

    da17fc5dd66861c9a11d1ea8c10a9b23

  • SHA1

    9a65b42fe775d5dd2f0a4c6969cddb449b24228c

  • SHA256

    88e2c224f157a4c5110c8ad9c703f79a4c92528bfabfb16b6e362a274157e1c3

  • SHA512

    04f2375f545bcef77cefbb5e306c553f5ac0bdffc3eda200e85167fffd19ea2988207b79eba4f2bb36cf20671436a597befb419256c15dd3e6ce5db66ec0aae6

  • SSDEEP

    12288:WMr+y90Aahimz7AuxqVlVWvo6dfmG85DXHhzjGU:wyZsVAuxYj+6DlH

Malware Config

Extracted

Family

redline

Botnet

fud

C2

193.233.20.27:4123

Attributes
  • auth_value

    cddc991efd6918ad5321d80dac884b40

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 18 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88e2c224f157a4c5110c8ad9c703f79a4c92528bfabfb16b6e362a274157e1c3.exe
    "C:\Users\Admin\AppData\Local\Temp\88e2c224f157a4c5110c8ad9c703f79a4c92528bfabfb16b6e362a274157e1c3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r5520jj.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r5520jj.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 1084
        3⤵
        • Program crash
        PID:3568
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w90kz45.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w90kz45.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1172 -s 1344
        3⤵
        • Program crash
        PID:984
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2320 -ip 2320
    1⤵
      PID:2964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1172 -ip 1172
      1⤵
        PID:2160

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r5520jj.exe

        Filesize

        322KB

        MD5

        8141937b23cd1895e561d8e90fdeeff3

        SHA1

        6f810e9e480564f5837461f8ccdd07c951a1bece

        SHA256

        ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6

        SHA512

        40957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r5520jj.exe

        Filesize

        322KB

        MD5

        8141937b23cd1895e561d8e90fdeeff3

        SHA1

        6f810e9e480564f5837461f8ccdd07c951a1bece

        SHA256

        ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6

        SHA512

        40957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w90kz45.exe

        Filesize

        380KB

        MD5

        7703b533b6e72a90817e85a9fd1f7126

        SHA1

        f4cc506f60b36ddf6474504989a9b171b1418570

        SHA256

        f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d

        SHA512

        3ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w90kz45.exe

        Filesize

        380KB

        MD5

        7703b533b6e72a90817e85a9fd1f7126

        SHA1

        f4cc506f60b36ddf6474504989a9b171b1418570

        SHA256

        f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d

        SHA512

        3ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031

      • memory/1172-263-0x0000000004D10000-0x0000000004D20000-memory.dmp

        Filesize

        64KB

      • memory/1172-261-0x0000000004D10000-0x0000000004D20000-memory.dmp

        Filesize

        64KB

      • memory/1172-1108-0x0000000004D10000-0x0000000004D20000-memory.dmp

        Filesize

        64KB

      • memory/1172-1106-0x0000000006660000-0x0000000006B8C000-memory.dmp

        Filesize

        5.2MB

      • memory/1172-192-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-190-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-1104-0x0000000006410000-0x0000000006460000-memory.dmp

        Filesize

        320KB

      • memory/1172-1103-0x0000000006380000-0x00000000063F6000-memory.dmp

        Filesize

        472KB

      • memory/1172-1102-0x0000000004D10000-0x0000000004D20000-memory.dmp

        Filesize

        64KB

      • memory/1172-1101-0x0000000004D10000-0x0000000004D20000-memory.dmp

        Filesize

        64KB

      • memory/1172-1100-0x0000000004D10000-0x0000000004D20000-memory.dmp

        Filesize

        64KB

      • memory/1172-1098-0x0000000005C80000-0x0000000005CE6000-memory.dmp

        Filesize

        408KB

      • memory/1172-1097-0x0000000005BE0000-0x0000000005C72000-memory.dmp

        Filesize

        584KB

      • memory/1172-1096-0x0000000004D10000-0x0000000004D20000-memory.dmp

        Filesize

        64KB

      • memory/1172-1095-0x00000000058F0000-0x000000000592C000-memory.dmp

        Filesize

        240KB

      • memory/1172-1094-0x0000000004CF0000-0x0000000004D02000-memory.dmp

        Filesize

        72KB

      • memory/1172-1093-0x0000000004BB0000-0x0000000004CBA000-memory.dmp

        Filesize

        1.0MB

      • memory/1172-1092-0x00000000052D0000-0x00000000058E8000-memory.dmp

        Filesize

        6.1MB

      • memory/1172-260-0x00000000004F0000-0x000000000053B000-memory.dmp

        Filesize

        300KB

      • memory/1172-216-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-214-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-212-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-210-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-208-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-183-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-184-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-186-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-188-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-1105-0x0000000006490000-0x0000000006652000-memory.dmp

        Filesize

        1.8MB

      • memory/1172-206-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-194-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-196-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-198-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-200-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-202-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/1172-204-0x0000000002630000-0x000000000266E000-memory.dmp

        Filesize

        248KB

      • memory/2320-178-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2320-150-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-143-0x00000000025F0000-0x0000000002600000-memory.dmp

        Filesize

        64KB

      • memory/2320-168-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-176-0x00000000025F0000-0x0000000002600000-memory.dmp

        Filesize

        64KB

      • memory/2320-174-0x00000000025F0000-0x0000000002600000-memory.dmp

        Filesize

        64KB

      • memory/2320-166-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-144-0x0000000004AB0000-0x0000000005054000-memory.dmp

        Filesize

        5.6MB

      • memory/2320-141-0x00000000004E0000-0x000000000050D000-memory.dmp

        Filesize

        180KB

      • memory/2320-173-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2320-145-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-170-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-164-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-175-0x00000000025F0000-0x0000000002600000-memory.dmp

        Filesize

        64KB

      • memory/2320-148-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-162-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-160-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-158-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-156-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-154-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-152-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-142-0x00000000025F0000-0x0000000002600000-memory.dmp

        Filesize

        64KB

      • memory/2320-146-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB

      • memory/2320-172-0x00000000025C0000-0x00000000025D2000-memory.dmp

        Filesize

        72KB