Analysis

  • max time kernel
    78s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 03:04

General

  • Target

    383f86d82723da94b1b0e401f7752421ad6cea3377bcab74ba593be3e7337723.exe

  • Size

    408KB

  • MD5

    51806458c9b34cdfaf52064576278345

  • SHA1

    8c74dc3340db1180e6d7bfd036fc6cb00f591eda

  • SHA256

    383f86d82723da94b1b0e401f7752421ad6cea3377bcab74ba593be3e7337723

  • SHA512

    ec955cd0cc184d634bc59b7aafae3ff10214f1c17b7a8deebe046cddd598bb04dffd1a48f6c0e3929294c9ff3d57e1e62a4dac490cbef3ab7f8431f370f8ed6e

  • SSDEEP

    6144:KUy+bnr+Fp0yN90QE1Ze9PvWsoQO9Q6qtP1JWYmzBbmayjxqpTsF1J:0MrRy90/EY2tnfmzBb61qpIF1J

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 33 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 1 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\383f86d82723da94b1b0e401f7752421ad6cea3377bcab74ba593be3e7337723.exe
    "C:\Users\Admin\AppData\Local\Temp\383f86d82723da94b1b0e401f7752421ad6cea3377bcab74ba593be3e7337723.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0560IC.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0560IC.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1356
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t89tk84.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t89tk84.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 1360
        3⤵
        • Program crash
        PID:4540
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4884 -ip 4884
    1⤵
      PID:4240

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0560IC.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s0560IC.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t89tk84.exe

      Filesize

      380KB

      MD5

      7703b533b6e72a90817e85a9fd1f7126

      SHA1

      f4cc506f60b36ddf6474504989a9b171b1418570

      SHA256

      f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d

      SHA512

      3ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t89tk84.exe

      Filesize

      380KB

      MD5

      7703b533b6e72a90817e85a9fd1f7126

      SHA1

      f4cc506f60b36ddf6474504989a9b171b1418570

      SHA256

      f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d

      SHA512

      3ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031

    • memory/1356-140-0x0000000000C90000-0x0000000000C9A000-memory.dmp

      Filesize

      40KB

    • memory/1356-142-0x000000001B6D0000-0x000000001B81E000-memory.dmp

      Filesize

      1.3MB

    • memory/4884-147-0x0000000004CD0000-0x0000000005274000-memory.dmp

      Filesize

      5.6MB

    • memory/4884-148-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-149-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-151-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-153-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-155-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-157-0x00000000006F0000-0x000000000073B000-memory.dmp

      Filesize

      300KB

    • memory/4884-158-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-159-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-162-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-164-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-161-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-165-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-167-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-169-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-171-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-173-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-175-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-177-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-179-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-181-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-183-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-185-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-187-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-189-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-191-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-193-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-195-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-197-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-199-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-201-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-203-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-205-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-207-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-209-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-211-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-213-0x00000000024A0000-0x00000000024DE000-memory.dmp

      Filesize

      248KB

    • memory/4884-1058-0x0000000005280000-0x0000000005898000-memory.dmp

      Filesize

      6.1MB

    • memory/4884-1059-0x00000000058E0000-0x00000000059EA000-memory.dmp

      Filesize

      1.0MB

    • memory/4884-1060-0x0000000005A10000-0x0000000005A22000-memory.dmp

      Filesize

      72KB

    • memory/4884-1061-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-1062-0x0000000005A30000-0x0000000005A6C000-memory.dmp

      Filesize

      240KB

    • memory/4884-1064-0x0000000005D20000-0x0000000005DB2000-memory.dmp

      Filesize

      584KB

    • memory/4884-1065-0x0000000005DC0000-0x0000000005E26000-memory.dmp

      Filesize

      408KB

    • memory/4884-1066-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-1067-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-1068-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-1069-0x0000000006860000-0x00000000068D6000-memory.dmp

      Filesize

      472KB

    • memory/4884-1070-0x00000000068F0000-0x0000000006940000-memory.dmp

      Filesize

      320KB

    • memory/4884-1071-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

      Filesize

      64KB

    • memory/4884-1072-0x0000000006950000-0x0000000006B12000-memory.dmp

      Filesize

      1.8MB

    • memory/4884-1073-0x0000000006B20000-0x000000000704C000-memory.dmp

      Filesize

      5.2MB