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Analysis

  • max time kernel
    118s
  • max time network
    143s
  • 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, 04:18

General

  • Target

    bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe

  • Size

    550KB

  • MD5

    1943ff8bdd2c83613e2e50b8fb82d068

  • SHA1

    2538074a8c0671436be0ee331ddf41dfbee53303

  • SHA256

    bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d

  • SHA512

    9444c4d6dd00349b14aca58fbb456e955081eb44f40de72d8cde80450a972edec7572011a1d4c1016cde8655a030529d88ca8f146fdf119d2d443c8819722232

  • SSDEEP

    12288:jMruy90Tahimz7AuxqVlVWvo6dfmG85DXHhzjGy:xyesVAuxYj+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\bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe
    "C:\Users\Admin\AppData\Local\Temp\bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7410lT.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7410lT.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 1096
        3⤵
        • Program crash
        PID:4524
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w77vj54.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w77vj54.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2276
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 1340
        3⤵
        • Program crash
        PID:2116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2056 -ip 2056
    1⤵
      PID:4508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2276 -ip 2276
      1⤵
        PID:4892

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7410lT.exe

        Filesize

        322KB

        MD5

        8141937b23cd1895e561d8e90fdeeff3

        SHA1

        6f810e9e480564f5837461f8ccdd07c951a1bece

        SHA256

        ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6

        SHA512

        40957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7410lT.exe

        Filesize

        322KB

        MD5

        8141937b23cd1895e561d8e90fdeeff3

        SHA1

        6f810e9e480564f5837461f8ccdd07c951a1bece

        SHA256

        ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6

        SHA512

        40957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w77vj54.exe

        Filesize

        380KB

        MD5

        7703b533b6e72a90817e85a9fd1f7126

        SHA1

        f4cc506f60b36ddf6474504989a9b171b1418570

        SHA256

        f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d

        SHA512

        3ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w77vj54.exe

        Filesize

        380KB

        MD5

        7703b533b6e72a90817e85a9fd1f7126

        SHA1

        f4cc506f60b36ddf6474504989a9b171b1418570

        SHA256

        f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d

        SHA512

        3ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031

      • memory/2056-141-0x0000000004D70000-0x0000000005314000-memory.dmp

        Filesize

        5.6MB

      • memory/2056-142-0x00000000004E0000-0x000000000050D000-memory.dmp

        Filesize

        180KB

      • memory/2056-143-0x0000000004D60000-0x0000000004D70000-memory.dmp

        Filesize

        64KB

      • memory/2056-144-0x0000000004D60000-0x0000000004D70000-memory.dmp

        Filesize

        64KB

      • memory/2056-145-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-146-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-148-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-150-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-152-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-154-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-156-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-158-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-160-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-162-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-164-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-166-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-170-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-168-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-172-0x00000000025E0000-0x00000000025F2000-memory.dmp

        Filesize

        72KB

      • memory/2056-173-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2056-174-0x0000000004D60000-0x0000000004D70000-memory.dmp

        Filesize

        64KB

      • memory/2056-176-0x0000000000400000-0x00000000004D4000-memory.dmp

        Filesize

        848KB

      • memory/2276-182-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-181-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-184-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-186-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-188-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-190-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-192-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-194-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-196-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-198-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-200-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-202-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-204-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-206-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-208-0x00000000005C0000-0x000000000060B000-memory.dmp

        Filesize

        300KB

      • memory/2276-211-0x0000000004C60000-0x0000000004C70000-memory.dmp

        Filesize

        64KB

      • memory/2276-210-0x0000000004C60000-0x0000000004C70000-memory.dmp

        Filesize

        64KB

      • memory/2276-209-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-214-0x0000000004C60000-0x0000000004C70000-memory.dmp

        Filesize

        64KB

      • memory/2276-213-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-216-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-218-0x0000000002570000-0x00000000025AE000-memory.dmp

        Filesize

        248KB

      • memory/2276-1091-0x0000000005320000-0x0000000005938000-memory.dmp

        Filesize

        6.1MB

      • memory/2276-1092-0x0000000005940000-0x0000000005A4A000-memory.dmp

        Filesize

        1.0MB

      • memory/2276-1093-0x0000000004C20000-0x0000000004C32000-memory.dmp

        Filesize

        72KB

      • memory/2276-1094-0x0000000005A50000-0x0000000005A8C000-memory.dmp

        Filesize

        240KB

      • memory/2276-1095-0x0000000004C60000-0x0000000004C70000-memory.dmp

        Filesize

        64KB

      • memory/2276-1096-0x0000000005D20000-0x0000000005DB2000-memory.dmp

        Filesize

        584KB

      • memory/2276-1097-0x0000000005DC0000-0x0000000005E26000-memory.dmp

        Filesize

        408KB

      • memory/2276-1099-0x00000000065E0000-0x00000000067A2000-memory.dmp

        Filesize

        1.8MB

      • memory/2276-1100-0x0000000004C60000-0x0000000004C70000-memory.dmp

        Filesize

        64KB

      • memory/2276-1101-0x0000000004C60000-0x0000000004C70000-memory.dmp

        Filesize

        64KB

      • memory/2276-1102-0x0000000004C60000-0x0000000004C70000-memory.dmp

        Filesize

        64KB

      • memory/2276-1103-0x00000000067C0000-0x0000000006CEC000-memory.dmp

        Filesize

        5.2MB

      • memory/2276-1104-0x0000000006E10000-0x0000000006E86000-memory.dmp

        Filesize

        472KB

      • memory/2276-1105-0x0000000006EB0000-0x0000000006F00000-memory.dmp

        Filesize

        320KB