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Resubmissions

06/11/2023, 19:37

231106-ybwfxadf81 10

06/11/2023, 19:33

231106-x9tjjadf4z 10

06/11/2023, 16:18

231106-tr58tscc9y 10

Analysis

  • max time kernel
    120s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2023, 19:33

General

  • Target

    1106-01-Redline.exe

  • Size

    390KB

  • MD5

    b21b03838b19d9312b8347926cba7b4f

  • SHA1

    23586801006ce4aac996958897c068eca3940221

  • SHA256

    30546f4ba8084cfa8e2b379e6dfee8700c00d6a194417fba874814cbf94dfc85

  • SHA512

    7bd791337408ee3002f9149e0dc4ad089daecddeeeef446711dcb9628993a22114fea29604b415667122aef30ad75753a984df0b8309fe8363d68cbfc5d6c209

  • SSDEEP

    6144:kz2K5o2F93z2rnTUX75zZ2OU7PBCksQNZZGq1cpF2lpO3y:DgoPrcwlZxNnGq1i2lp7

Malware Config

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.

  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1106-01-Redline.exe
    "C:\Users\Admin\AppData\Local\Temp\1106-01-Redline.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2120
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:524
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x5a4
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1212

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2120-0-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/2120-1-0x0000000000300000-0x000000000035A000-memory.dmp

      Filesize

      360KB

    • memory/2120-5-0x00000000741D0000-0x00000000748BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2120-6-0x0000000007000000-0x0000000007040000-memory.dmp

      Filesize

      256KB

    • memory/2120-8-0x0000000000400000-0x0000000000466000-memory.dmp

      Filesize

      408KB

    • memory/2120-9-0x00000000741D0000-0x00000000748BE000-memory.dmp

      Filesize

      6.9MB