Resubmissions

04-05-2022 00:27

220504-ar15bsfdel 10

04-05-2022 00:19

220504-amn9zafdek 10

Analysis

  • max time kernel
    44s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04-05-2022 00:27

General

  • Target

    Video.mp4.scr

  • Size

    700.0MB

  • MD5

    403fc6029a35c21a7d31d657cec40f0a

  • SHA1

    f669ea4ffe545d76eb329dfd10e3fe6145e0950d

  • SHA256

    30ce43a0bfd9ea9192aa6df32035f8c1876d106ec369256a04c1bc0fa6b3dadb

  • SHA512

    37aaeb0390e7dfed9d7976847a84a9656a95472a0f891e0a6a541d691c895852821533f6b8865acb0e170d67aad0e5b6c5bfaa87799391b82350acb3df9c8843

Malware Config

Extracted

Family

redline

Botnet

1

C2

62.204.41.177:9425

Attributes
  • auth_value

    2c239ad7c28c8eab1f9626557bb9457a

Signatures

  • RedLine

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

  • RedLine Payload 6 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Video.mp4.scr
    "C:\Users\Admin\AppData\Local\Temp\Video.mp4.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Users\Admin\AppData\Local\Temp\Video.mp4.scr
      C:\Users\Admin\AppData\Local\Temp\Video.mp4.scr
      2⤵
        PID:1468
      • C:\Users\Admin\AppData\Local\Temp\Video.mp4.scr
        C:\Users\Admin\AppData\Local\Temp\Video.mp4.scr
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1740

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1740-64-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1740-59-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1740-60-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1740-62-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1740-63-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1740-65-0x000000000041BC2E-mapping.dmp
    • memory/1740-69-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1740-67-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1800-55-0x0000000075C71000-0x0000000075C73000-memory.dmp
      Filesize

      8KB

    • memory/1800-56-0x0000000004FD0000-0x0000000005124000-memory.dmp
      Filesize

      1.3MB

    • memory/1800-57-0x0000000005B80000-0x0000000005CD6000-memory.dmp
      Filesize

      1.3MB

    • memory/1800-58-0x0000000004890000-0x00000000048C6000-memory.dmp
      Filesize

      216KB

    • memory/1800-54-0x0000000000BD0000-0x0000000000D56000-memory.dmp
      Filesize

      1.5MB