Resubmissions

07-05-2021 18:56

210507-2v7r2kd3q2 10

Analysis

  • max time kernel
    25s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    07-05-2021 18:56

General

  • Target

    1a51248c75d910c49f184342a912fe9cb7ace5d8.exe

  • Size

    136KB

  • MD5

    7eaf6cacffb2ae2b3c3b6c2b0491e2a5

  • SHA1

    1a51248c75d910c49f184342a912fe9cb7ace5d8

  • SHA256

    6308b2097dcba28565037a65fd9354fe7cecc13df2b7459ef91153760fa8dc42

  • SHA512

    1bd52476a59e05e6ec5de3dc4cf7705cea37668fc8b3d143f269123cb32a582f493ffa093c3fe2d6c647d1ccef31de51c922cf48eb6f96f87c99e3aebc3d6731

Malware Config

Extracted

Family

redline

Botnet

lyla

C2

87.251.71.4:80

Signatures

  • RedLine

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

  • RedLine Payload 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a51248c75d910c49f184342a912fe9cb7ace5d8.exe
    "C:\Users\Admin\AppData\Local\Temp\1a51248c75d910c49f184342a912fe9cb7ace5d8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1912

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/1912-66-0x00000000004163C2-mapping.dmp
  • memory/1912-65-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/1912-67-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/1912-69-0x0000000004C30000-0x0000000004C31000-memory.dmp
    Filesize

    4KB

  • memory/2020-60-0x00000000000A0000-0x00000000000A1000-memory.dmp
    Filesize

    4KB

  • memory/2020-62-0x0000000076281000-0x0000000076283000-memory.dmp
    Filesize

    8KB

  • memory/2020-63-0x0000000001C20000-0x0000000001C22000-memory.dmp
    Filesize

    8KB

  • memory/2020-64-0x0000000004790000-0x0000000004791000-memory.dmp
    Filesize

    4KB