Analysis

  • max time kernel
    125s
  • max time network
    127s
  • 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 14:29

General

  • Target

    4501af1edfb1b7a871a1f3eb4e2c0b2ca89f48a6bf873ba31a1300b9cfe0aa44.exe

  • Size

    306KB

  • MD5

    d7c6230109f61a2847ca488fa5de64dc

  • SHA1

    b068b352e54f277bf5e7a2d34ceea742405c0807

  • SHA256

    4501af1edfb1b7a871a1f3eb4e2c0b2ca89f48a6bf873ba31a1300b9cfe0aa44

  • SHA512

    7d45cbbf1d69bc2b9d1f917c328a7cb6de45be254d14d93980fcce147f0e0b8d46a8acc5ad01ea2f9c885c6266e8310aab393d96dc9888460ff0cd55f81026f0

  • 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\4501af1edfb1b7a871a1f3eb4e2c0b2ca89f48a6bf873ba31a1300b9cfe0aa44.exe
    "C:\Users\Admin\AppData\Local\Temp\4501af1edfb1b7a871a1f3eb4e2c0b2ca89f48a6bf873ba31a1300b9cfe0aa44.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4140

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\Tmp631F.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4140-25-0x00000000065B0000-0x00000000066BA000-memory.dmp
    Filesize

    1.0MB

  • memory/4140-35-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/4140-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp
    Filesize

    584KB

  • memory/4140-4-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
    Filesize

    64KB

  • memory/4140-5-0x0000000004ED0000-0x0000000004EDA000-memory.dmp
    Filesize

    40KB

  • memory/4140-0-0x00000000003B0000-0x0000000000402000-memory.dmp
    Filesize

    328KB

  • memory/4140-20-0x0000000005430000-0x00000000054A6000-memory.dmp
    Filesize

    472KB

  • memory/4140-26-0x00000000064F0000-0x0000000006502000-memory.dmp
    Filesize

    72KB

  • memory/4140-38-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/4140-2-0x00000000054E0000-0x0000000005A86000-memory.dmp
    Filesize

    5.6MB

  • memory/4140-21-0x0000000006420000-0x000000000643E000-memory.dmp
    Filesize

    120KB

  • memory/4140-27-0x0000000006550000-0x000000000658C000-memory.dmp
    Filesize

    240KB

  • memory/4140-28-0x00000000066C0000-0x000000000670C000-memory.dmp
    Filesize

    304KB

  • memory/4140-29-0x0000000006810000-0x0000000006876000-memory.dmp
    Filesize

    408KB

  • memory/4140-32-0x0000000007750000-0x0000000007912000-memory.dmp
    Filesize

    1.8MB

  • memory/4140-33-0x0000000007E50000-0x000000000837C000-memory.dmp
    Filesize

    5.2MB

  • memory/4140-34-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/4140-1-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/4140-36-0x0000000000B80000-0x0000000000BD0000-memory.dmp
    Filesize

    320KB

  • memory/4140-24-0x0000000006A60000-0x0000000007078000-memory.dmp
    Filesize

    6.1MB