Overview

overview

10

Static

static

DOCUSIGN_9...DF.exe

windows7_x64

10

DOCUSIGN_9...DF.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-07-2021 03:04

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General

  • Target

    DOCUSIGN_900282998344093313PDF.exe

  • Size

    695KB

  • MD5

    3b62d04ade6453f581a87ba1679ec88c

  • SHA1

    b6ea8c0f0c5583f7854ff211871be615e1cf8ef7

  • SHA256

    bad26efdc40a035c41f2e5bc89bb10fabbe1acb2191d852d46fe885a27dbbb1d

  • SHA512

    ba6c53fa25fc1a5d39c5a42ce87bdfc8d65ff60dd9481a7753ed0ddd3ff54aa4c2ecf3f0ac1cb701b1e6f5e7ca088286e7afb75e90bf6836b78a209c5477ba37

Score
10/10
redlinediscoveryinfostealerspywarestealer

Malware Config

Extracted

Family

redline

C2

newlife957.duckdns.org:7225

Signatures

  • RedLine

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

    infostealerredline
  • RedLine Payload 3 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1864
    • C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe"
      2⤵
        PID:412
      • C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\DOCUSIGN_900282998344093313PDF.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1496

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Lateral Movement

    Collection

    Data from Local System

    2
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1496-67-0x000000000041883A-mapping.dmp
      Download
    • memory/1496-66-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

      Download
    • memory/1496-68-0x0000000000400000-0x000000000041E000-memory.dmp
      Filesize

      120KB

      Download
    • memory/1496-70-0x00000000004E0000-0x00000000004E1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1864-60-0x00000000010F0000-0x00000000010F1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1864-62-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1864-63-0x0000000000200000-0x000000000020B000-memory.dmp
      Filesize

      44KB

      Download
    • memory/1864-64-0x0000000004F60000-0x0000000004FC2000-memory.dmp
      Filesize

      392KB

      Download
    • memory/1864-65-0x00000000003F0000-0x0000000000410000-memory.dmp
      Filesize

      128KB

      Download