Analysis

  • max time kernel
    70s
  • max time network
    73s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-09-2021 21:02

General

  • Target

    71a395e91c86b4636cbdc5a962373294.exe

  • Size

    661KB

  • MD5

    71a395e91c86b4636cbdc5a962373294

  • SHA1

    33798cff60d6228d9194df5f60bfca5e6be11179

  • SHA256

    150708169937ab48a2299f0e19112fdb01efd0233b984d85b647d96d06391bc5

  • SHA512

    bf31795274e03a780c52cfa0214748cc12ce60462fcea295c739930111b818a6c1c904e50219d13cec86643eed7acf2b0b01493ac61add0806e952caaa4cb80f

Malware Config

Extracted

Family

redline

Botnet

Kanuckk

C2

205.185.123.105:20035

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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71a395e91c86b4636cbdc5a962373294.exe
    "C:\Users\Admin\AppData\Local\Temp\71a395e91c86b4636cbdc5a962373294.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\71a395e91c86b4636cbdc5a962373294.exe
      "C:\Users\Admin\AppData\Local\Temp\71a395e91c86b4636cbdc5a962373294.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 924
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/488-130-0x00000000057C0000-0x0000000005DC6000-memory.dmp
    Filesize

    6.0MB

  • memory/488-131-0x0000000007180000-0x0000000007181000-memory.dmp
    Filesize

    4KB

  • memory/488-126-0x0000000003110000-0x0000000003111000-memory.dmp
    Filesize

    4KB

  • memory/488-125-0x0000000005DD0000-0x0000000005DD1000-memory.dmp
    Filesize

    4KB

  • memory/488-137-0x0000000007810000-0x0000000007811000-memory.dmp
    Filesize

    4KB

  • memory/488-136-0x00000000073D0000-0x00000000073D1000-memory.dmp
    Filesize

    4KB

  • memory/488-120-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/488-121-0x000000000041C5EA-mapping.dmp
  • memory/488-127-0x00000000058D0000-0x00000000058D1000-memory.dmp
    Filesize

    4KB

  • memory/488-123-0x0000000000400000-0x0000000000401000-memory.dmp
    Filesize

    4KB

  • memory/488-138-0x0000000008400000-0x0000000008401000-memory.dmp
    Filesize

    4KB

  • memory/488-134-0x0000000007350000-0x0000000007351000-memory.dmp
    Filesize

    4KB

  • memory/488-132-0x0000000007880000-0x0000000007881000-memory.dmp
    Filesize

    4KB

  • memory/488-128-0x0000000003190000-0x0000000003191000-memory.dmp
    Filesize

    4KB

  • memory/488-129-0x00000000057C0000-0x00000000057C1000-memory.dmp
    Filesize

    4KB

  • memory/900-114-0x00000000009B0000-0x00000000009B1000-memory.dmp
    Filesize

    4KB

  • memory/900-115-0x00000000058F0000-0x00000000058F1000-memory.dmp
    Filesize

    4KB

  • memory/900-122-0x0000000005370000-0x0000000005373000-memory.dmp
    Filesize

    12KB

  • memory/900-116-0x00000000052A0000-0x00000000052A1000-memory.dmp
    Filesize

    4KB

  • memory/900-119-0x0000000005280000-0x0000000005298000-memory.dmp
    Filesize

    96KB

  • memory/900-118-0x00000000053F0000-0x00000000058EE000-memory.dmp
    Filesize

    5.0MB

  • memory/900-117-0x00000000053F0000-0x00000000053F1000-memory.dmp
    Filesize

    4KB