Analysis

  • max time kernel
    130s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 14:50

General

  • Target

    8a870280a0dc165cadf46427c4e47c56d3fa42aa2cf823a54358bf48f5102435.exe

  • Size

    332KB

  • MD5

    f98aa564c242bfb196410e0790d86bec

  • SHA1

    c882a94a6303f80aca544fad54502ae09289d107

  • SHA256

    8a870280a0dc165cadf46427c4e47c56d3fa42aa2cf823a54358bf48f5102435

  • SHA512

    695ccefb3486c9a1e04eafa38f9a58b66360b0529dcaec4b73925985220be1f244b19ce59a22cd0f179245380d87bd2e3bb3f5aa394b61fede1a80f756dc2fbd

  • SSDEEP

    6144:03TwjHHEJ9B4S9re5BAYhePRmygh6BSJ/Yt7wuo1+Wjnhx+0Xp:0DrJ9B4S9rPiygcBO/q++6U0Xp

Malware Config

Extracted

Family

redline

Botnet

5637482599

C2

https://pastebin.com/raw/NgsUAPya

Signatures

  • RedLine

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

  • RedLine payload 1 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a870280a0dc165cadf46427c4e47c56d3fa42aa2cf823a54358bf48f5102435.exe
    "C:\Users\Admin\AppData\Local\Temp\8a870280a0dc165cadf46427c4e47c56d3fa42aa2cf823a54358bf48f5102435.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4120
    • 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:4240

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4120-0-0x0000000000F30000-0x0000000000F31000-memory.dmp
    Filesize

    4KB

  • memory/4120-1-0x0000000000F30000-0x0000000000F31000-memory.dmp
    Filesize

    4KB

  • memory/4120-3-0x0000000000F30000-0x0000000000F31000-memory.dmp
    Filesize

    4KB

  • memory/4240-2-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/4240-4-0x000000007492E000-0x000000007492F000-memory.dmp
    Filesize

    4KB

  • memory/4240-5-0x0000000005840000-0x00000000058A6000-memory.dmp
    Filesize

    408KB

  • memory/4240-6-0x0000000006350000-0x0000000006968000-memory.dmp
    Filesize

    6.1MB

  • memory/4240-7-0x0000000005DD0000-0x0000000005DE2000-memory.dmp
    Filesize

    72KB

  • memory/4240-8-0x0000000005F00000-0x000000000600A000-memory.dmp
    Filesize

    1.0MB

  • memory/4240-9-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/4240-10-0x0000000006BC0000-0x0000000006BFC000-memory.dmp
    Filesize

    240KB

  • memory/4240-11-0x0000000006C00000-0x0000000006C4C000-memory.dmp
    Filesize

    304KB

  • memory/4240-12-0x0000000006F40000-0x0000000007102000-memory.dmp
    Filesize

    1.8MB

  • memory/4240-13-0x0000000007640000-0x0000000007B6C000-memory.dmp
    Filesize

    5.2MB

  • memory/4240-14-0x0000000008120000-0x00000000086C4000-memory.dmp
    Filesize

    5.6MB

  • memory/4240-15-0x0000000007110000-0x00000000071A2000-memory.dmp
    Filesize

    584KB

  • memory/4240-17-0x0000000007200000-0x0000000007276000-memory.dmp
    Filesize

    472KB

  • memory/4240-16-0x00000000071B0000-0x0000000007200000-memory.dmp
    Filesize

    320KB

  • memory/4240-18-0x00000000072B0000-0x00000000072CE000-memory.dmp
    Filesize

    120KB

  • memory/4240-20-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB