Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 14:27

General

  • Target

    a80924711e9ec6f6d75c4777a147cfbc4b28ae85715577b8057675a635256954.exe

  • Size

    333KB

  • MD5

    824449809c7eaa6a6e9fe32461a8f643

  • SHA1

    b41a493bd8479c5af9285c879d516a1ca74fca2d

  • SHA256

    a80924711e9ec6f6d75c4777a147cfbc4b28ae85715577b8057675a635256954

  • SHA512

    c96363fb9526708fe0be595789632d4c4a6150839b08c25fd98f50d25bc4abf3970878057a5d25f72e2201ed64677f2b6ca3db6444f5b780b6028b3e01e6d759

  • SSDEEP

    6144:A1RwZfFQDOioMvzATd5W0jbSXRYyghTqjjjjjjjstrw0mFmjgfaX1RtX+0Xp:A/zDOioMvzA+iygRqjjjjjjjst00mFpw

Malware Config

Extracted

Family

redline

Botnet

5345987420

C2

https://pastebin.com/raw/KE5Mft0T

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 64 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a80924711e9ec6f6d75c4777a147cfbc4b28ae85715577b8057675a635256954.exe
    "C:\Users\Admin\AppData\Local\Temp\a80924711e9ec6f6d75c4777a147cfbc4b28ae85715577b8057675a635256954.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1248
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3540
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3844 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2876

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/3540-2-0x0000000000400000-0x0000000000422000-memory.dmp

              Filesize

              136KB

            • memory/3540-4-0x00000000748BE000-0x00000000748BF000-memory.dmp

              Filesize

              4KB

            • memory/3540-5-0x0000000005860000-0x00000000058C6000-memory.dmp

              Filesize

              408KB

            • memory/3540-6-0x00000000063C0000-0x00000000069D8000-memory.dmp

              Filesize

              6.1MB

            • memory/3540-7-0x0000000005DE0000-0x0000000005DF2000-memory.dmp

              Filesize

              72KB

            • memory/3540-8-0x0000000005F10000-0x000000000601A000-memory.dmp

              Filesize

              1.0MB

            • memory/3540-9-0x00000000748B0000-0x0000000075060000-memory.dmp

              Filesize

              7.7MB

            • memory/3540-10-0x00000000748BE000-0x00000000748BF000-memory.dmp

              Filesize

              4KB

            • memory/3540-11-0x00000000748B0000-0x0000000075060000-memory.dmp

              Filesize

              7.7MB

            • memory/4000-0-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

              Filesize

              4KB

            • memory/4000-1-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

              Filesize

              4KB

            • memory/4000-3-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

              Filesize

              4KB