Analysis

  • max time kernel
    120s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    23-10-2021 15:51

General

  • Target

    Cleaner.exe

  • Size

    211KB

  • MD5

    ba3581cd235eec704cc63575f546cebc

  • SHA1

    529634b8285edf381b27cd3adf369361f795b59a

  • SHA256

    a7ee4b81780bf55a3da4a984a35563b20441f5b0a618771882ae1e4000b4d941

  • SHA512

    c1dc71a22d822198e9832dbb2490ecd74b2aa5e5cf42ff9aa385dc0d5ac01088d8f391d0cf22e132f857858a61e922d18c68199f0c8ef7c5d6d5b3a09bb3761c

Malware Config

Extracted

Family

redline

C2

141.94.188.139:43059

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.

  • 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\Cleaner.exe
    "C:\Users\Admin\AppData\Local\Temp\Cleaner.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:776

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/776-126-0x0000000004F10000-0x0000000005516000-memory.dmp
    Filesize

    6.0MB

  • memory/776-131-0x0000000006530000-0x0000000006531000-memory.dmp
    Filesize

    4KB

  • memory/776-127-0x0000000005030000-0x0000000005031000-memory.dmp
    Filesize

    4KB

  • memory/776-128-0x0000000006030000-0x0000000006031000-memory.dmp
    Filesize

    4KB

  • memory/776-122-0x0000000005520000-0x0000000005521000-memory.dmp
    Filesize

    4KB

  • memory/776-123-0x0000000004F70000-0x0000000004F71000-memory.dmp
    Filesize

    4KB

  • memory/776-124-0x00000000050A0000-0x00000000050A1000-memory.dmp
    Filesize

    4KB

  • memory/776-125-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
    Filesize

    4KB

  • memory/776-135-0x0000000007070000-0x0000000007071000-memory.dmp
    Filesize

    4KB

  • memory/776-134-0x0000000007110000-0x0000000007111000-memory.dmp
    Filesize

    4KB

  • memory/776-119-0x00000000004199AE-mapping.dmp
  • memory/776-129-0x0000000005330000-0x0000000005331000-memory.dmp
    Filesize

    4KB

  • memory/776-130-0x0000000005F00000-0x0000000005F01000-memory.dmp
    Filesize

    4KB

  • memory/776-117-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/776-132-0x0000000005FE0000-0x0000000005FE1000-memory.dmp
    Filesize

    4KB

  • memory/776-133-0x0000000006A10000-0x0000000006A11000-memory.dmp
    Filesize

    4KB

  • memory/3352-118-0x000000001B4E0000-0x000000001B4E2000-memory.dmp
    Filesize

    8KB

  • memory/3352-115-0x0000000000800000-0x0000000000801000-memory.dmp
    Filesize

    4KB