Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 23:15

General

  • Target

    fa3a6951f4b02f9028aad489b82b9f421451c5667c26a84f1987b964edcd06e2.exe

  • Size

    5.8MB

  • MD5

    0a3f6b0ed66ebb45b56dfbac3f41c597

  • SHA1

    81d9add5e2a02969cf9510a75d65dba51b550a17

  • SHA256

    fa3a6951f4b02f9028aad489b82b9f421451c5667c26a84f1987b964edcd06e2

  • SHA512

    019f959fd75e614f6572ef857e3d68c0152271f5fa67aab66803f24540c61b11f78bff1b99e76e4ad138f9da316c5f190f7e3c73be10a1832be73752ef9c720d

  • SSDEEP

    49152:0PFJCvLqOaSTK5ISawpVpVliC8Tkxh0eseUpfJTNEM2wjV62DC9R:0PFsjqOaSFUXklNzDC9R

Malware Config

Extracted

Family

redline

Botnet

CHUBAKA

C2

77.73.133.87:25907

Attributes
  • auth_value

    1317d86704d0c967986f3aa7c5c95a1a

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa3a6951f4b02f9028aad489b82b9f421451c5667c26a84f1987b964edcd06e2.exe
    "C:\Users\Admin\AppData\Local\Temp\fa3a6951f4b02f9028aad489b82b9f421451c5667c26a84f1987b964edcd06e2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\ProgramData\dupefinder.exe\dupefinder\dupefinder.exe
      "C:\ProgramData\dupefinder.exe\dupefinder\dupefinder.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\ProgramData\dupefinder.exe\dupefinder\dupefinder.exe
        "C:\ProgramData\dupefinder.exe\dupefinder\dupefinder.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2036

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\dupefinder.exe\dupefinder\dupefinder.exe

    Filesize

    2.5MB

    MD5

    b2ba9ab1d70659d320c1008536fc820a

    SHA1

    bcd17770f44d7275bdad21430450f1a276266c62

    SHA256

    c94af90c778488c728306fd87d72ced14430147018e973c537a2e5a4540c12bd

    SHA512

    9479a1aa8b38bcfcdfd1527eade7559e74243053c87bf62a8b739c5d3a88a64cbff778637863852639dfd2bc39d588490b6a42545d131b975cf25d0c523557c7

  • C:\ProgramData\dupefinder.exe\dupefinder\dupefinder.exe

    Filesize

    2.5MB

    MD5

    b2ba9ab1d70659d320c1008536fc820a

    SHA1

    bcd17770f44d7275bdad21430450f1a276266c62

    SHA256

    c94af90c778488c728306fd87d72ced14430147018e973c537a2e5a4540c12bd

    SHA512

    9479a1aa8b38bcfcdfd1527eade7559e74243053c87bf62a8b739c5d3a88a64cbff778637863852639dfd2bc39d588490b6a42545d131b975cf25d0c523557c7

  • C:\ProgramData\dupefinder.exe\dupefinder\dupefinder.exe

    Filesize

    2.5MB

    MD5

    b2ba9ab1d70659d320c1008536fc820a

    SHA1

    bcd17770f44d7275bdad21430450f1a276266c62

    SHA256

    c94af90c778488c728306fd87d72ced14430147018e973c537a2e5a4540c12bd

    SHA512

    9479a1aa8b38bcfcdfd1527eade7559e74243053c87bf62a8b739c5d3a88a64cbff778637863852639dfd2bc39d588490b6a42545d131b975cf25d0c523557c7

  • \ProgramData\dupefinder.exe\dupefinder\dupefinder.exe

    Filesize

    2.5MB

    MD5

    b2ba9ab1d70659d320c1008536fc820a

    SHA1

    bcd17770f44d7275bdad21430450f1a276266c62

    SHA256

    c94af90c778488c728306fd87d72ced14430147018e973c537a2e5a4540c12bd

    SHA512

    9479a1aa8b38bcfcdfd1527eade7559e74243053c87bf62a8b739c5d3a88a64cbff778637863852639dfd2bc39d588490b6a42545d131b975cf25d0c523557c7

  • \ProgramData\dupefinder.exe\dupefinder\dupefinder.exe

    Filesize

    2.5MB

    MD5

    b2ba9ab1d70659d320c1008536fc820a

    SHA1

    bcd17770f44d7275bdad21430450f1a276266c62

    SHA256

    c94af90c778488c728306fd87d72ced14430147018e973c537a2e5a4540c12bd

    SHA512

    9479a1aa8b38bcfcdfd1527eade7559e74243053c87bf62a8b739c5d3a88a64cbff778637863852639dfd2bc39d588490b6a42545d131b975cf25d0c523557c7

  • memory/900-66-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/900-57-0x0000000000000000-mapping.dmp

  • memory/1324-68-0x0000000003690000-0x00000000036C7000-memory.dmp

    Filesize

    220KB

  • memory/1324-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB

  • memory/2036-63-0x000000000040CD2F-mapping.dmp

  • memory/2036-67-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2036-62-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2036-60-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2036-69-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2036-70-0x0000000000820000-0x000000000085E000-memory.dmp

    Filesize

    248KB

  • memory/2036-71-0x0000000001F00000-0x0000000001F3C000-memory.dmp

    Filesize

    240KB

  • memory/2036-73-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB