Analysis

  • max time kernel
    135s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 03:32

General

  • Target

    d478d3c502b2bd866c958b8e075f03e5d754ef48db447c85b9ea795342ed3619.exe

  • Size

    384KB

  • MD5

    af1b027971dc2ef0d2382c3250fd70b1

  • SHA1

    eb8c51b0c7c4d39f33b156d810927614fcc02250

  • SHA256

    d478d3c502b2bd866c958b8e075f03e5d754ef48db447c85b9ea795342ed3619

  • SHA512

    265e967f751736ccaefa5caba0ec8b1cd8a5e92e253f161c58d79a0b1fa1da77d9607c7249fa3c958cef3599bdc5009c8cdb72d27a5404c40eb4cfe2d4dab221

  • SSDEEP

    6144:Sek9LD+zqyEE7XDsrRSq/Hj+h6OTqdxQh68Aqt6u7sFVsTuDXE:KewrRmOAfNtP7sPsTuDXE

Malware Config

Extracted

Family

redline

Botnet

sheetred1

C2

77.90.185.55:1912

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Redline family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d478d3c502b2bd866c958b8e075f03e5d754ef48db447c85b9ea795342ed3619.exe
    "C:\Users\Admin\AppData\Local\Temp\d478d3c502b2bd866c958b8e075f03e5d754ef48db447c85b9ea795342ed3619.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3720
    • C:\Users\Admin\AppData\Local\Temp\Exporer32.exe
      "C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Exporer32.exe

    Filesize

    300KB

    MD5

    5c79fcec80a2d284ff2278e2eec20535

    SHA1

    41e75130dec0b284847854133df7dd21ed9370d6

    SHA256

    0ebf5044bd6ec9c727d6ee653c94c85fb315a040458a4f3c0586313ff5d47ff2

    SHA512

    a0c6f51604fb7f06cbb436dbcf799540b6f8130da0edaae77d97146920d5b303b49009c010d57d99cf87b105c216a9d977b928a01c769eea15d6586446668527

  • memory/2412-13-0x00000000730EE000-0x00000000730EF000-memory.dmp

    Filesize

    4KB

  • memory/2412-14-0x0000000000A10000-0x0000000000A62000-memory.dmp

    Filesize

    328KB

  • memory/2412-15-0x00000000059F0000-0x0000000005F94000-memory.dmp

    Filesize

    5.6MB

  • memory/2412-16-0x00000000054E0000-0x0000000005572000-memory.dmp

    Filesize

    584KB

  • memory/2412-17-0x00000000730E0000-0x0000000073890000-memory.dmp

    Filesize

    7.7MB

  • memory/2412-18-0x0000000005480000-0x000000000548A000-memory.dmp

    Filesize

    40KB

  • memory/2412-19-0x00000000065C0000-0x0000000006BD8000-memory.dmp

    Filesize

    6.1MB

  • memory/2412-20-0x00000000057D0000-0x00000000058DA000-memory.dmp

    Filesize

    1.0MB

  • memory/2412-21-0x0000000005700000-0x0000000005712000-memory.dmp

    Filesize

    72KB

  • memory/2412-22-0x0000000005760000-0x000000000579C000-memory.dmp

    Filesize

    240KB

  • memory/2412-23-0x00000000058E0000-0x000000000592C000-memory.dmp

    Filesize

    304KB

  • memory/2412-24-0x00000000730EE000-0x00000000730EF000-memory.dmp

    Filesize

    4KB

  • memory/2412-25-0x00000000730E0000-0x0000000073890000-memory.dmp

    Filesize

    7.7MB