Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    13-04-2022 20:17

General

  • Target

    95766a747e7920c6b82d9411ba71c20c.exe

  • Size

    1.2MB

  • MD5

    95766a747e7920c6b82d9411ba71c20c

  • SHA1

    e9b774afad9c66e7d3c87eaa85924e572ee5704c

  • SHA256

    468628cdcfdb07ec88a16758f4418400a01a7bf2cd191ca28f8b7a762779a2ec

  • SHA512

    f26a0255382f00065715502b1574aa16a85096798c119641b63348fb5edc88e8299c0ddefaae601bedef6914899cc1dd6f6a01152c25d108f574fc8861a2eed2

Malware Config

Extracted

Family

redline

C2

109.107.179.79:47542

Attributes
  • auth_value

    d5efb9c25db8cdc8bd5a2f2ed476bbb1

Signatures

  • RedLine

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

  • RedLine Payload 6 IoCs
  • Downloads MZ/PE file
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95766a747e7920c6b82d9411ba71c20c.exe
    "C:\Users\Admin\AppData\Local\Temp\95766a747e7920c6b82d9411ba71c20c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1076
    • 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:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1076-54-0x0000000001290000-0x00000000013CE000-memory.dmp

    Filesize

    1.2MB

  • memory/1076-55-0x0000000005E30000-0x0000000005F5E000-memory.dmp

    Filesize

    1.2MB

  • memory/1076-56-0x0000000005035000-0x0000000005046000-memory.dmp

    Filesize

    68KB

  • memory/1768-57-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-58-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1768-69-0x00000000755F1000-0x00000000755F3000-memory.dmp

    Filesize

    8KB