Resubmissions

13/10/2022, 14:01

221013-rb3fwsgff810

13/10/2022, 13:49

221013-q47qmsgcd210

12/10/2022, 16:55

221012-ve9adscdaq10

Analysis

  • max time kernel
    142s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2022, 13:49

General

  • Target
    4c596d32f75e3a84e48c36e8fc8025fd.exe
  • Size 488KB
  • Sample221013-q47qmsgcd2
  • SHA256 f78477275d79d0eead0b62d3355df9be273518c54eeac3719a97823365cee858
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • world10

C2
  • jamesmillion.xyz:15772

Attributes
  • auth_value

    a74a2e49cd85c6f93cb4e7fc8691721c

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • RedLine

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c596d32f75e3a84e48c36e8fc8025fd.exe
    "C:\Users\Admin\AppData\Local\Temp\4c596d32f75e3a84e48c36e8fc8025fd.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4c596d32f75e3a84e48c36e8fc8025fd.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4c596d32f75e3a84e48c36e8fc8025fd.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:960

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        4c596d32f75e3a84e48c36e8fc8025fd.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\4c596d32f75e3a84e48c36e8fc8025fd.exe
        • Size 448KB
        • SHA256 388092169b96794dec2d6a0bcff4c60dfad79fdf5d49282cfe7bf6a6b59d75c0
        • MD5 SHA1 SHA512 SSDEEP

        LOGTRA~1.EXE

        • Path \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
        • Size 252KB
        • SHA256 8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
        • MD5 SHA1 SHA512 SSDEEP

        4c596d32f75e3a84e48c36e8fc8025fd.exe

        • Path \Users\Admin\AppData\Local\Temp\3582-490\4c596d32f75e3a84e48c36e8fc8025fd.exe
        • Size 448KB
        • SHA256 388092169b96794dec2d6a0bcff4c60dfad79fdf5d49282cfe7bf6a6b59d75c0
        • MD5 SHA1 SHA512 SSDEEP

        4c596d32f75e3a84e48c36e8fc8025fd.exe

        • Path \Users\Admin\AppData\Local\Temp\3582-490\4c596d32f75e3a84e48c36e8fc8025fd.exe
        • Size 448KB
        • SHA256 388092169b96794dec2d6a0bcff4c60dfad79fdf5d49282cfe7bf6a6b59d75c0
        • MD5 SHA1 SHA512 SSDEEP

        memory/960-59-0x00000000005FE000-0x0000000000635000-memory.dmp

        memory/960-60-0x0000000000220000-0x0000000000279000-memory.dmp

        memory/960-61-0x0000000000400000-0x0000000000475000-memory.dmp

        memory/960-62-0x0000000002020000-0x000000000206C000-memory.dmp

        memory/960-64-0x0000000002120000-0x000000000216A000-memory.dmp

        memory/960-66-0x00000000005FE000-0x0000000000635000-memory.dmp

        memory/960-67-0x00000000005FE000-0x0000000000635000-memory.dmp

        memory/960-68-0x0000000000400000-0x0000000000475000-memory.dmp

        memory/1632-54-0x0000000075B41000-0x0000000075B43000-memory.dmp