Analysis

  • max time kernel
    123s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 08:17

General

  • Target

    f5fb55d8d7aecf35e136336b0a98a788.exe

  • Size

    19KB

  • MD5

    f5fb55d8d7aecf35e136336b0a98a788

  • SHA1

    f9a6c52db68451bfc10a97b4f7e283a30e7eab88

  • SHA256

    b2e4112f937fa79049e00f1757d4a6b44a1dcd41580e3320fe5d6318bb900b19

  • SHA512

    f6522db7c71604b0b43d7ea911565d9b7f2cf8f00cda2d5128ffd518ea2cd8c50f607858c05f675d276f5a0b229b2f3446faf98291b5330dc71662d695674401

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5fb55d8d7aecf35e136336b0a98a788.exe
    "C:\Users\Admin\AppData\Local\Temp\f5fb55d8d7aecf35e136336b0a98a788.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/788-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

    Filesize

    6.9MB

  • memory/788-3-0x0000000000F10000-0x0000000000F11000-memory.dmp

    Filesize

    4KB

  • memory/1516-5-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1516-6-0x000000000040CD2F-mapping.dmp

  • memory/1516-7-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1516-8-0x00000000022E0000-0x00000000022F1000-memory.dmp

    Filesize

    68KB

  • memory/1516-9-0x0000000074720000-0x0000000074E0E000-memory.dmp

    Filesize

    6.9MB

  • memory/1516-10-0x00000000005A0000-0x00000000005C4000-memory.dmp

    Filesize

    144KB

  • memory/1516-11-0x00000000005D0000-0x00000000005F2000-memory.dmp

    Filesize

    136KB