Analysis

  • max time kernel
    35s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    04-08-2021 21:02

General

  • Target

    70b6050624c2833c34181a75275a609a.exe

  • Size

    1.2MB

  • MD5

    70b6050624c2833c34181a75275a609a

  • SHA1

    bafdf7ba1adc69ba408f892d4067dd950307cfcc

  • SHA256

    1ba0e44040e713ddc5dea6e5645c58f2c4131d907343e4eb67b3c704bdd2d4d8

  • SHA512

    07180cc89ab0c8108a0ff60c173aaee1879b4478b4fc8885bba1ec67694a40bf1f80f001cad07fa1873bc05c492decbcab0dca094fd8f96bd754b775299afd79

Malware Config

Extracted

Family

redline

Botnet

Build Smailik

C2

195.149.87.79:12439

Signatures

  • RedLine

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

  • RedLine Payload 3 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70b6050624c2833c34181a75275a609a.exe
    "C:\Users\Admin\AppData\Local\Temp\70b6050624c2833c34181a75275a609a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\70b6050624c2833c34181a75275a609a.exe
      C:\Users\Admin\AppData\Local\Temp\70b6050624c2833c34181a75275a609a.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/640-59-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/640-61-0x0000000004E10000-0x0000000004E11000-memory.dmp
    Filesize

    4KB

  • memory/640-62-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/640-63-0x00000000004D0000-0x00000000004F1000-memory.dmp
    Filesize

    132KB

  • memory/1676-64-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1676-65-0x0000000000418EE6-mapping.dmp
  • memory/1676-66-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1676-68-0x0000000004B00000-0x0000000004B01000-memory.dmp
    Filesize

    4KB