Analysis

  • max time kernel
    22s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-12-2020 08:47

General

  • Target

    a7e9e9cf220846cf4886665f5dca877d.exe

  • Size

    371KB

  • MD5

    a7e9e9cf220846cf4886665f5dca877d

  • SHA1

    25316dff51b674a33b4db6aa4187477f1bcfb72f

  • SHA256

    f8c01a2d1b187aee1a6b8fc7cb87369cbc920e6c288f53af356287cb3def107e

  • SHA512

    b2922db7d114e27eda9d436bcd7bb7c29791fbee25a5807223dd9fc0f6b913b0caacbd0518ce97494f42a8bc2f44b0f33ec1cfb0144b41249589f64b23f266db

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.

  • Checks installed software on the system 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7e9e9cf220846cf4886665f5dca877d.exe
    "C:\Users\Admin\AppData\Local\Temp\a7e9e9cf220846cf4886665f5dca877d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • Runs ping.exe
        PID:512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/292-2-0x0000000005239000-0x000000000523A000-memory.dmp

    Filesize

    4KB

  • memory/292-3-0x00000000054B0000-0x00000000054C1000-memory.dmp

    Filesize

    68KB

  • memory/292-4-0x0000000006C20000-0x0000000006C31000-memory.dmp

    Filesize

    68KB

  • memory/292-5-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/292-6-0x0000000005400000-0x0000000005424000-memory.dmp

    Filesize

    144KB

  • memory/292-12-0x0000000005470000-0x0000000005492000-memory.dmp

    Filesize

    136KB

  • memory/512-14-0x0000000000000000-mapping.dmp

  • memory/1356-13-0x0000000000000000-mapping.dmp