Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    24-10-2021 15:14

General

  • Target

    menu.exe

  • Size

    183KB

  • MD5

    6f37fca873eb5c00aa786e51393fda16

  • SHA1

    ff985dff8a17f22911e41c91106b9ed0a8b16fdc

  • SHA256

    f1c411ac29f45b10c7a090a40d7f8242e6ba06a5b94b846024e0afd4b4956f1d

  • SHA512

    6aa47c79c355f870cb7e80b83d4ef3478f6909aecaeeecfb40f831cc401673d01e604eeb34c7d08fdeb630610bcaed6d7ac5c03fd6f8bc5823e73dcd55be66f1

Malware Config

Extracted

Family

redline

C2

185.215.113.51:56632

Signatures

  • RedLine

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

  • RedLine Payload 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\menu.exe
    "C:\Users\Admin\AppData\Local\Temp\menu.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4264-126-0x00000000053A0000-0x00000000059A6000-memory.dmp

    Filesize

    6.0MB

  • memory/4264-118-0x0000000000419F7E-mapping.dmp

  • memory/4264-127-0x00000000054F0000-0x00000000054F1000-memory.dmp

    Filesize

    4KB

  • memory/4264-128-0x00000000060C0000-0x00000000060C1000-memory.dmp

    Filesize

    4KB

  • memory/4264-122-0x00000000059B0000-0x00000000059B1000-memory.dmp

    Filesize

    4KB

  • memory/4264-123-0x0000000005450000-0x0000000005451000-memory.dmp

    Filesize

    4KB

  • memory/4264-124-0x0000000005580000-0x0000000005581000-memory.dmp

    Filesize

    4KB

  • memory/4264-125-0x00000000054B0000-0x00000000054B1000-memory.dmp

    Filesize

    4KB

  • memory/4264-135-0x00000000070A0000-0x00000000070A1000-memory.dmp

    Filesize

    4KB

  • memory/4264-117-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4264-134-0x00000000075D0000-0x00000000075D1000-memory.dmp

    Filesize

    4KB

  • memory/4264-129-0x0000000006140000-0x0000000006141000-memory.dmp

    Filesize

    4KB

  • memory/4264-130-0x00000000066E0000-0x00000000066E1000-memory.dmp

    Filesize

    4KB

  • memory/4264-131-0x0000000006280000-0x0000000006281000-memory.dmp

    Filesize

    4KB

  • memory/4264-132-0x0000000006660000-0x0000000006661000-memory.dmp

    Filesize

    4KB

  • memory/4264-133-0x0000000006ED0000-0x0000000006ED1000-memory.dmp

    Filesize

    4KB

  • memory/4304-119-0x000000001B4D0000-0x000000001B4D2000-memory.dmp

    Filesize

    8KB

  • memory/4304-115-0x0000000000850000-0x0000000000851000-memory.dmp

    Filesize

    4KB