Analysis

  • max time kernel
    146s
  • max time network
    153s
  • 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 12:00

General

  • Target

    81e22995c967b1f6df2e110bd23bce924b5e740b170bf7b57773a5d37378d2e2.exe

  • Size

    305KB

  • MD5

    0e25e85ff83cc6b5628df7581bb68f28

  • SHA1

    773ae37b04b706d19df738ac86e7b1693b760bb2

  • SHA256

    81e22995c967b1f6df2e110bd23bce924b5e740b170bf7b57773a5d37378d2e2

  • SHA512

    f3b06d053d6ba4e2b03f35d593c35cb28791db3ea558460931ffe068a4ad4dca30a76208b333c0ea3f88e1906b0850575b493a343233411f3a5150f3015b1d75

  • 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\81e22995c967b1f6df2e110bd23bce924b5e740b170bf7b57773a5d37378d2e2.exe
    "C:\Users\Admin\AppData\Local\Temp\81e22995c967b1f6df2e110bd23bce924b5e740b170bf7b57773a5d37378d2e2.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3776

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\Tmp51C9.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3776-25-0x00000000063E0000-0x00000000064EA000-memory.dmp
    Filesize

    1.0MB

  • memory/3776-37-0x0000000074AB0000-0x0000000075261000-memory.dmp
    Filesize

    7.7MB

  • memory/3776-24-0x0000000006890000-0x0000000006EA8000-memory.dmp
    Filesize

    6.1MB

  • memory/3776-4-0x0000000004F70000-0x0000000004F80000-memory.dmp
    Filesize

    64KB

  • memory/3776-5-0x0000000004D90000-0x0000000004D9A000-memory.dmp
    Filesize

    40KB

  • memory/3776-1-0x0000000074AB0000-0x0000000075261000-memory.dmp
    Filesize

    7.7MB

  • memory/3776-20-0x0000000005850000-0x00000000058C6000-memory.dmp
    Filesize

    472KB

  • memory/3776-21-0x0000000006250000-0x000000000626E000-memory.dmp
    Filesize

    120KB

  • memory/3776-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp
    Filesize

    584KB

  • memory/3776-2-0x00000000052A0000-0x0000000005846000-memory.dmp
    Filesize

    5.6MB

  • memory/3776-27-0x0000000006380000-0x00000000063BC000-memory.dmp
    Filesize

    240KB

  • memory/3776-26-0x0000000006320000-0x0000000006332000-memory.dmp
    Filesize

    72KB

  • memory/3776-28-0x00000000064F0000-0x000000000653C000-memory.dmp
    Filesize

    304KB

  • memory/3776-29-0x0000000006630000-0x0000000006696000-memory.dmp
    Filesize

    408KB

  • memory/3776-32-0x0000000006FB0000-0x0000000007000000-memory.dmp
    Filesize

    320KB

  • memory/3776-33-0x00000000075F0000-0x00000000077B2000-memory.dmp
    Filesize

    1.8MB

  • memory/3776-34-0x0000000007CF0000-0x000000000821C000-memory.dmp
    Filesize

    5.2MB

  • memory/3776-35-0x0000000074AB0000-0x0000000075261000-memory.dmp
    Filesize

    7.7MB

  • memory/3776-0-0x00000000001D0000-0x0000000000222000-memory.dmp
    Filesize

    328KB