Analysis

  • max time kernel
    90s
  • max time network
    91s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24/04/2024, 10:12

General

  • Target

    aa9d88690c48176d351abf560ab4e9e3c01f8a37caf662ec60f6f4087c0b9ff7.exe

  • Size

    304KB

  • MD5

    a9d9f34dcfd96f3270c2b01e65d8ff8f

  • SHA1

    350a1598de792f5ceb36621cc6ce457d812052a7

  • SHA256

    aa9d88690c48176d351abf560ab4e9e3c01f8a37caf662ec60f6f4087c0b9ff7

  • SHA512

    baa22db195a59332119e127cf48ba5217155c39b286affba0686d9a976dec17fd01569a091e1b175687d4d8701f68a77b2f6c60dc539398d2b0bf8c76da0deaa

  • SSDEEP

    6144:/qY6irwP7YfmrYiJv7TAPAzdcZqf7DI/L:/nwPkiJvGAzdcUzs/

Malware Config

Extracted

Family

redline

Botnet

spoo

C2

103.113.70.99:2630

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa9d88690c48176d351abf560ab4e9e3c01f8a37caf662ec60f6f4087c0b9ff7.exe
    "C:\Users\Admin\AppData\Local\Temp\aa9d88690c48176d351abf560ab4e9e3c01f8a37caf662ec60f6f4087c0b9ff7.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1148

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Tmp5A07.tmp

          Filesize

          2KB

          MD5

          1420d30f964eac2c85b2ccfe968eebce

          SHA1

          bdf9a6876578a3e38079c4f8cf5d6c79687ad750

          SHA256

          f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

          SHA512

          6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

        • memory/1148-21-0x00000000064D0000-0x00000000064EE000-memory.dmp

          Filesize

          120KB

        • memory/1148-26-0x00000000065A0000-0x00000000065B2000-memory.dmp

          Filesize

          72KB

        • memory/1148-3-0x0000000004F90000-0x0000000005022000-memory.dmp

          Filesize

          584KB

        • memory/1148-4-0x00000000051E0000-0x00000000051F0000-memory.dmp

          Filesize

          64KB

        • memory/1148-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

          Filesize

          40KB

        • memory/1148-1-0x0000000074810000-0x0000000074FC1000-memory.dmp

          Filesize

          7.7MB

        • memory/1148-20-0x0000000005B10000-0x0000000005B86000-memory.dmp

          Filesize

          472KB

        • memory/1148-0-0x0000000000460000-0x00000000004B2000-memory.dmp

          Filesize

          328KB

        • memory/1148-2-0x0000000005460000-0x0000000005A06000-memory.dmp

          Filesize

          5.6MB

        • memory/1148-24-0x0000000006B10000-0x0000000007128000-memory.dmp

          Filesize

          6.1MB

        • memory/1148-25-0x0000000006660000-0x000000000676A000-memory.dmp

          Filesize

          1.0MB

        • memory/1148-27-0x0000000006600000-0x000000000663C000-memory.dmp

          Filesize

          240KB

        • memory/1148-28-0x0000000006770000-0x00000000067BC000-memory.dmp

          Filesize

          304KB

        • memory/1148-29-0x00000000068B0000-0x0000000006916000-memory.dmp

          Filesize

          408KB

        • memory/1148-32-0x0000000007720000-0x0000000007770000-memory.dmp

          Filesize

          320KB

        • memory/1148-33-0x0000000007F90000-0x0000000008152000-memory.dmp

          Filesize

          1.8MB

        • memory/1148-34-0x0000000008690000-0x0000000008BBC000-memory.dmp

          Filesize

          5.2MB

        • memory/1148-36-0x0000000074810000-0x0000000074FC1000-memory.dmp

          Filesize

          7.7MB