Analysis

  • max time kernel
    88s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2022 07:48

General

  • Target

    file.exe

  • Size

    7.5MB

  • MD5

    698f860a3387c43630ce6db9ed23186c

  • SHA1

    7c7ef967c36b7be7f3ddfd4a17983e7d87f5abf0

  • SHA256

    26cdbe0f7546a9e3468ce796f238e0eef396ff81b1490953bdc58aba76d88236

  • SHA512

    626917073db8c105c1ec5230eb8870e62212613cd8002a6ae10e3ed2ca23f26deb891aaded8f727ba37d8cfc98926d7f5c01f6d7623ac08b1bfe58864ed2dada

  • SSDEEP

    196608:MK5w/YJIYf/0jjquBMakyrDQf8UBGo6p1sKKtYnA:MeIYJZ0fbMgQ0U8omsFtYnA

Malware Config

Extracted

Family

redline

Botnet

3108_RUZKI

C2

213.219.247.199:9452

Attributes
  • auth_value

    f71fed1cd094e4e1eb7ad1c53e542bca

Signatures

  • RedLine

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

  • RedLine payload 6 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\System32\ipconfig.exe" /release
      2⤵
      • Gathers network information
      PID:1736
    • 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:1376
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\System32\ipconfig.exe" /renew
      2⤵
      • Gathers network information
      PID:320

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/320-67-0x0000000000000000-mapping.dmp
  • memory/1212-54-0x00000000003A0000-0x0000000000B2A000-memory.dmp
    Filesize

    7.5MB

  • memory/1212-55-0x0000000075E11000-0x0000000075E13000-memory.dmp
    Filesize

    8KB

  • memory/1212-56-0x0000000000E00000-0x0000000000E6A000-memory.dmp
    Filesize

    424KB

  • memory/1376-65-0x000000000041ADD2-mapping.dmp
  • memory/1376-60-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1376-62-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1376-63-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1376-64-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1376-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1376-68-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1376-70-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1736-57-0x0000000000000000-mapping.dmp