Analysis

  • max time kernel
    1800s
  • max time network
    1818s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    22-10-2021 14:38

General

  • Target

    Fri05a277b9a3d2.exe

  • Size

    383KB

  • MD5

    8958066e38eb4b70f922db2c23457c18

  • SHA1

    27aff4aed5d4c782e9170ba124a3a1f90d979e6a

  • SHA256

    3f3a020f63daef5ffa7c2eb9014452dfa913cc6ff977e5747e6f0c854d849358

  • SHA512

    c2b73802a4b3350290d40bf2aa3942d92239eea4f69ab13fcce84090093e13d7950e3c32d565880a9ec74b8898cb82bb63e04a53505d9ef5f3aea812f8a68236

Malware Config

Extracted

Family

redline

Botnet

media21

C2

91.121.67.60:23325

Signatures

  • RedLine

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

  • RedLine Payload 5 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
    "C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
      C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1032

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/1032-59-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1032-58-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1032-60-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1032-61-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1032-62-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1032-63-0x0000000000418532-mapping.dmp
  • memory/1032-64-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/1032-66-0x0000000000B80000-0x0000000000B81000-memory.dmp
    Filesize

    4KB

  • memory/2040-55-0x0000000001060000-0x0000000001061000-memory.dmp
    Filesize

    4KB

  • memory/2040-57-0x0000000000470000-0x0000000000471000-memory.dmp
    Filesize

    4KB