Analysis

  • max time kernel
    91s
  • max time network
    105s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-04-2024 12:27

General

  • Target

    bca488e0021e32993e546633c0cbc572617f8e61cf7abe725c09bdacc8f9f836.exe

  • Size

    305KB

  • MD5

    a29eaf0d5e001e86fb5c8219654290ee

  • SHA1

    dd10c2bdaa1d0dc13163bd07affea7119bc70115

  • SHA256

    bca488e0021e32993e546633c0cbc572617f8e61cf7abe725c09bdacc8f9f836

  • SHA512

    a15fe95213390b401df5986aeb55c4a39854237c0dad8fd13381be620bbd75b54e2d8123fc7caa89ecc70493f24566b12fe3af3a4f26ba488d346d130ba90b35

  • SSDEEP

    6144:/qY6irwP7YfmrYiJv7TAPAzdcZqf7DI/L:/nwPkiJvGAzdcUzs/

Malware Config

Extracted

Family

redline

Botnet

spoo

C2

103.113.70.99:2630

Signatures

  • RedLine

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

  • RedLine payload 1 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bca488e0021e32993e546633c0cbc572617f8e61cf7abe725c09bdacc8f9f836.exe
    "C:\Users\Admin\AppData\Local\Temp\bca488e0021e32993e546633c0cbc572617f8e61cf7abe725c09bdacc8f9f836.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1656

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp49CA.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/1656-25-0x00000000067A0000-0x00000000068AA000-memory.dmp
    Filesize

    1.0MB

  • memory/1656-35-0x0000000005370000-0x0000000005380000-memory.dmp
    Filesize

    64KB

  • memory/1656-3-0x0000000005120000-0x00000000051B2000-memory.dmp
    Filesize

    584KB

  • memory/1656-4-0x0000000005370000-0x0000000005380000-memory.dmp
    Filesize

    64KB

  • memory/1656-5-0x00000000050C0000-0x00000000050CA000-memory.dmp
    Filesize

    40KB

  • memory/1656-1-0x00000000748D0000-0x0000000075081000-memory.dmp
    Filesize

    7.7MB

  • memory/1656-20-0x0000000005C60000-0x0000000005CD6000-memory.dmp
    Filesize

    472KB

  • memory/1656-26-0x00000000066E0000-0x00000000066F2000-memory.dmp
    Filesize

    72KB

  • memory/1656-38-0x00000000748D0000-0x0000000075081000-memory.dmp
    Filesize

    7.7MB

  • memory/1656-2-0x0000000005630000-0x0000000005BD6000-memory.dmp
    Filesize

    5.6MB

  • memory/1656-21-0x00000000064D0000-0x00000000064EE000-memory.dmp
    Filesize

    120KB

  • memory/1656-27-0x0000000006740000-0x000000000677C000-memory.dmp
    Filesize

    240KB

  • memory/1656-28-0x00000000068B0000-0x00000000068FC000-memory.dmp
    Filesize

    304KB

  • memory/1656-29-0x00000000069F0000-0x0000000006A56000-memory.dmp
    Filesize

    408KB

  • memory/1656-32-0x0000000007540000-0x0000000007702000-memory.dmp
    Filesize

    1.8MB

  • memory/1656-33-0x0000000007C40000-0x000000000816C000-memory.dmp
    Filesize

    5.2MB

  • memory/1656-34-0x00000000748D0000-0x0000000075081000-memory.dmp
    Filesize

    7.7MB

  • memory/1656-0-0x00000000005A0000-0x00000000005F2000-memory.dmp
    Filesize

    328KB

  • memory/1656-36-0x0000000000D30000-0x0000000000D80000-memory.dmp
    Filesize

    320KB

  • memory/1656-24-0x0000000006C50000-0x0000000007268000-memory.dmp
    Filesize

    6.1MB