Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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 13:31

General

  • Target

    4b1e6a83938062838ca39220ac5772c06ddce4bee0c9b9def1e03da9cb77b41d.exe

  • Size

    306KB

  • MD5

    206d1cd0100b9823ad10bddcc682b0d1

  • SHA1

    a8cc16ba9ba3763f652269d55d925c905abc5779

  • SHA256

    4b1e6a83938062838ca39220ac5772c06ddce4bee0c9b9def1e03da9cb77b41d

  • SHA512

    c742f0d19c6b39dbfba634c13eb9e9d47342fac49ac44cb404ffd26afc1c0d9099476cb37a2a2fa4c4a61c8d4708e641994f4d78348503956f60a3ab560175d2

  • 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\4b1e6a83938062838ca39220ac5772c06ddce4bee0c9b9def1e03da9cb77b41d.exe
    "C:\Users\Admin\AppData\Local\Temp\4b1e6a83938062838ca39220ac5772c06ddce4bee0c9b9def1e03da9cb77b41d.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1496

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\Tmp449A.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/1496-25-0x0000000006830000-0x000000000693A000-memory.dmp
    Filesize

    1.0MB

  • memory/1496-35-0x0000000007500000-0x00000000076C2000-memory.dmp
    Filesize

    1.8MB

  • memory/1496-3-0x00000000051C0000-0x0000000005252000-memory.dmp
    Filesize

    584KB

  • memory/1496-4-0x0000000005160000-0x0000000005170000-memory.dmp
    Filesize

    64KB

  • memory/1496-5-0x0000000005140000-0x000000000514A000-memory.dmp
    Filesize

    40KB

  • memory/1496-1-0x0000000074F60000-0x0000000075711000-memory.dmp
    Filesize

    7.7MB

  • memory/1496-20-0x0000000005690000-0x0000000005706000-memory.dmp
    Filesize

    472KB

  • memory/1496-26-0x0000000006770000-0x0000000006782000-memory.dmp
    Filesize

    72KB

  • memory/1496-38-0x0000000074F60000-0x0000000075711000-memory.dmp
    Filesize

    7.7MB

  • memory/1496-2-0x0000000005770000-0x0000000005D16000-memory.dmp
    Filesize

    5.6MB

  • memory/1496-21-0x00000000066A0000-0x00000000066BE000-memory.dmp
    Filesize

    120KB

  • memory/1496-27-0x00000000067D0000-0x000000000680C000-memory.dmp
    Filesize

    240KB

  • memory/1496-28-0x0000000006940000-0x000000000698C000-memory.dmp
    Filesize

    304KB

  • memory/1496-29-0x0000000006A80000-0x0000000006AE6000-memory.dmp
    Filesize

    408KB

  • memory/1496-32-0x0000000074F60000-0x0000000075711000-memory.dmp
    Filesize

    7.7MB

  • memory/1496-33-0x0000000005160000-0x0000000005170000-memory.dmp
    Filesize

    64KB

  • memory/1496-34-0x00000000054A0000-0x00000000054F0000-memory.dmp
    Filesize

    320KB

  • memory/1496-0-0x0000000000630000-0x0000000000682000-memory.dmp
    Filesize

    328KB

  • memory/1496-36-0x0000000007C00000-0x000000000812C000-memory.dmp
    Filesize

    5.2MB

  • memory/1496-24-0x0000000006CE0000-0x00000000072F8000-memory.dmp
    Filesize

    6.1MB