Analysis

  • max time kernel
    90s
  • max time network
    94s
  • 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 12:30

General

  • Target

    a4864abd054c0444765302a48a531d39d11d7288117c59392835268f7a86f571.exe

  • Size

    305KB

  • MD5

    dcee4180f1a2c884ae6e05958f673518

  • SHA1

    ad5a72aeaf3e7c8d29bd67952636b4390c1f351c

  • SHA256

    a4864abd054c0444765302a48a531d39d11d7288117c59392835268f7a86f571

  • SHA512

    01145fd9945dfb679b3212fe59128d74c56a1036dbedac3e9fa93d5407902c49e86eee49b9429533397c33526d09452b8e33f2085953eee7e5c873ed091020b4

  • 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\a4864abd054c0444765302a48a531d39d11d7288117c59392835268f7a86f571.exe
    "C:\Users\Admin\AppData\Local\Temp\a4864abd054c0444765302a48a531d39d11d7288117c59392835268f7a86f571.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1524

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\Tmp61E6.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/1524-25-0x00000000064F0000-0x00000000065FA000-memory.dmp
    Filesize

    1.0MB

  • memory/1524-35-0x0000000007760000-0x0000000007922000-memory.dmp
    Filesize

    1.8MB

  • memory/1524-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp
    Filesize

    584KB

  • memory/1524-4-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
    Filesize

    64KB

  • memory/1524-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp
    Filesize

    40KB

  • memory/1524-0-0x00000000002F0000-0x0000000000342000-memory.dmp
    Filesize

    328KB

  • memory/1524-20-0x0000000005370000-0x00000000053E6000-memory.dmp
    Filesize

    472KB

  • memory/1524-26-0x0000000006430000-0x0000000006442000-memory.dmp
    Filesize

    72KB

  • memory/1524-38-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/1524-2-0x00000000054A0000-0x0000000005A46000-memory.dmp
    Filesize

    5.6MB

  • memory/1524-21-0x0000000006360000-0x000000000637E000-memory.dmp
    Filesize

    120KB

  • memory/1524-27-0x0000000006490000-0x00000000064CC000-memory.dmp
    Filesize

    240KB

  • memory/1524-28-0x0000000006600000-0x000000000664C000-memory.dmp
    Filesize

    304KB

  • memory/1524-29-0x0000000006740000-0x00000000067A6000-memory.dmp
    Filesize

    408KB

  • memory/1524-32-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/1524-33-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
    Filesize

    64KB

  • memory/1524-34-0x00000000050F0000-0x0000000005140000-memory.dmp
    Filesize

    320KB

  • memory/1524-1-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/1524-36-0x0000000008570000-0x0000000008A9C000-memory.dmp
    Filesize

    5.2MB

  • memory/1524-24-0x00000000069A0000-0x0000000006FB8000-memory.dmp
    Filesize

    6.1MB