Analysis

  • max time kernel
    45s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2022 22:13

General

  • Target

    file.exe

  • Size

    249KB

  • MD5

    b6a18789ab0263f4eab7ab97287ecbee

  • SHA1

    8787cee17a183d20ad0251076168953110ab90be

  • SHA256

    651ee42db18f616fad32be821a25bed84dc6c75bad45284382273d3d07d55597

  • SHA512

    a1c2c4e3658b041c50948aabc2c86b54a190b7cbcf335825b7e6f631cf06118e5a643c1b9cef47e400691c085c102b92aac4b8210bb35b728ccafe5bafe615bb

  • SSDEEP

    1536:x6r3JgI5plLY23JQvnFCohuftzEPKqa4gi6CMhSZFiyBRZkKs3I6C04s1lPkWttv:xK3xtLY2NfWyq+wpRTMaqx

Malware Config

Extracted

Family

redline

Botnet

Install

C2

142.93.198.232:81

Attributes
  • auth_value

    f9affed97251c08e7a096257ba9edfb2

Signatures

  • RedLine

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

  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1128

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1032-54-0x0000000000270000-0x00000000002B2000-memory.dmp
    Filesize

    264KB

  • memory/1032-55-0x000000001B450000-0x000000001B4E0000-memory.dmp
    Filesize

    576KB

  • memory/1128-56-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1128-57-0x000000000041B58A-mapping.dmp
  • memory/1128-59-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1128-61-0x0000000000400000-0x0000000000454000-memory.dmp
    Filesize

    336KB

  • memory/1128-62-0x0000000076711000-0x0000000076713000-memory.dmp
    Filesize

    8KB