Analysis

  • max time kernel
    134s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2023, 11:31

General

  • Target
    4fd73b97e5cafadfd9e180ebab390001.exe
  • Size 585KB
  • Sample230606-nmpsdsdd37
  • SHA256 c612fffc0085b0aa52db0740bf0414806671a08d68e1fd0e755928af886a26a9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • diza

C2
  • 83.97.73.126:19048

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

Signatures

  • RedLine

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

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fd73b97e5cafadfd9e180ebab390001.exe
    "C:\Users\Admin\AppData\Local\Temp\4fd73b97e5cafadfd9e180ebab390001.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6235427.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6235427.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8387392.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8387392.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2212
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f5510158.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f5510158.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4280

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        x6235427.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6235427.exe
        • Size 378KB
        • SHA256 376ac2aea3847bc49cdc010166b798584a7b3a03721433dc2bfc37ab144fecc3
        • MD5 SHA1 SHA512 SSDEEP

        x6235427.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6235427.exe
        • Size 378KB
        • SHA256 376ac2aea3847bc49cdc010166b798584a7b3a03721433dc2bfc37ab144fecc3
        • MD5 SHA1 SHA512 SSDEEP

        x8387392.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8387392.exe
        • Size 206KB
        • SHA256 ddb9003546579a019f80b86d902c1c191c3bc463db00a73e465d2ce53839b873
        • MD5 SHA1 SHA512 SSDEEP

        x8387392.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8387392.exe
        • Size 206KB
        • SHA256 ddb9003546579a019f80b86d902c1c191c3bc463db00a73e465d2ce53839b873
        • MD5 SHA1 SHA512 SSDEEP

        f5510158.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f5510158.exe
        • Size 172KB
        • SHA256 ea28a4bde6f6f5c57c5fbe3f573dd0c837d233349fe2ccc27e864d64b8bfbad3
        • MD5 SHA1 SHA512 SSDEEP

        f5510158.exe

        • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f5510158.exe
        • Size 172KB
        • SHA256 ea28a4bde6f6f5c57c5fbe3f573dd0c837d233349fe2ccc27e864d64b8bfbad3
        • MD5 SHA1 SHA512 SSDEEP

        memory/4280-154-0x0000000000960000-0x0000000000990000-memory.dmp

        memory/4280-155-0x00000000059B0000-0x0000000005FC8000-memory.dmp

        memory/4280-156-0x00000000054C0000-0x00000000055CA000-memory.dmp

        memory/4280-157-0x0000000005400000-0x0000000005412000-memory.dmp

        memory/4280-158-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4280-159-0x0000000005460000-0x000000000549C000-memory.dmp

        memory/4280-160-0x0000000005770000-0x00000000057E6000-memory.dmp

        memory/4280-161-0x0000000005890000-0x0000000005922000-memory.dmp

        memory/4280-162-0x00000000057F0000-0x0000000005856000-memory.dmp

        memory/4280-163-0x0000000006B70000-0x0000000007114000-memory.dmp

        memory/4280-164-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4280-165-0x0000000006730000-0x0000000006780000-memory.dmp

        memory/4280-166-0x0000000006950000-0x0000000006B12000-memory.dmp

        memory/4280-167-0x0000000008C40000-0x000000000916C000-memory.dmp