Resubmissions

05-04-2021 09:29

210405-8ga7y7zk36 10

03-04-2021 06:00

210403-gtexn6kycs 10

Analysis

  • max time kernel
    143s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03-04-2021 06:00

General

  • Target

    Setup[1].exe

  • Size

    1.3MB

  • MD5

    0657125b7850a7b5796bf6979da502f0

  • SHA1

    686d1ad201f0706daec7dd9bfa60fd1144a7b876

  • SHA256

    c1a85afd7acdaf7ab0d6839cc68d67ca75455fa9fb3d62a95f6579f07899df49

  • SHA512

    879167e0b34e015e62828151a05b785f3f9b99e2826be73fe9afc4d671dedec19c9994d2481c060e453367885ba16cce0252e7049bdb59c5ee90885f6527e10c

Malware Config

Extracted

Family

redline

Botnet

010402

C2

194.135.20.72:3214

Signatures

  • RedLine

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup[1].exe
    "C:\Users\Admin\AppData\Local\Temp\Setup[1].exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\Setup[1].exe
      "C:\Users\Admin\AppData\Local\Temp\Setup[1].exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1252

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1056-2-0x0000000073C60000-0x000000007434E000-memory.dmp
    Filesize

    6.9MB

  • memory/1056-3-0x0000000001110000-0x0000000001111000-memory.dmp
    Filesize

    4KB

  • memory/1056-5-0x00000000004F0000-0x00000000004FC000-memory.dmp
    Filesize

    48KB

  • memory/1056-6-0x0000000004F60000-0x0000000004F61000-memory.dmp
    Filesize

    4KB

  • memory/1056-7-0x0000000005020000-0x0000000005091000-memory.dmp
    Filesize

    452KB

  • memory/1056-8-0x0000000000C30000-0x0000000000C61000-memory.dmp
    Filesize

    196KB

  • memory/1252-9-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1252-10-0x000000000042977E-mapping.dmp
  • memory/1252-11-0x0000000073C60000-0x000000007434E000-memory.dmp
    Filesize

    6.9MB

  • memory/1252-12-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1252-14-0x00000000010D0000-0x00000000010D1000-memory.dmp
    Filesize

    4KB