Analysis

  • max time kernel
    142s
  • max time network
    144s
  • 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 11:58

General

  • Target

    afa51b0d5dc3ff33c0cfc49012090104cd26dbdffcc22829c8a3d10632227b28.exe

  • Size

    305KB

  • MD5

    35034de117ad568be3eb5cbd9f7aa45b

  • SHA1

    86c15b84f42785811a97859d442a18646921cede

  • SHA256

    afa51b0d5dc3ff33c0cfc49012090104cd26dbdffcc22829c8a3d10632227b28

  • SHA512

    858ea01bc7bba518f736dfb1ea8fe799c08b96c9cf38288d2a59a75e34ab904de31b8bb27e12caba9f8f763932c198cafc88fa02dd8d8aeb10eaf6289e202476

  • 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\afa51b0d5dc3ff33c0cfc49012090104cd26dbdffcc22829c8a3d10632227b28.exe
    "C:\Users\Admin\AppData\Local\Temp\afa51b0d5dc3ff33c0cfc49012090104cd26dbdffcc22829c8a3d10632227b28.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4864

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\Tmp8D8A.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4864-21-0x00000000064E0000-0x00000000064FE000-memory.dmp
    Filesize

    120KB

  • memory/4864-3-0x00000000050F0000-0x0000000005182000-memory.dmp
    Filesize

    584KB

  • memory/4864-25-0x0000000006770000-0x000000000687A000-memory.dmp
    Filesize

    1.0MB

  • memory/4864-26-0x00000000066B0000-0x00000000066C2000-memory.dmp
    Filesize

    72KB

  • memory/4864-5-0x0000000005070000-0x000000000507A000-memory.dmp
    Filesize

    40KB

  • memory/4864-1-0x0000000075130000-0x00000000758E1000-memory.dmp
    Filesize

    7.7MB

  • memory/4864-20-0x0000000005C50000-0x0000000005CC6000-memory.dmp
    Filesize

    472KB

  • memory/4864-0-0x0000000000560000-0x00000000005B2000-memory.dmp
    Filesize

    328KB

  • memory/4864-36-0x0000000075130000-0x00000000758E1000-memory.dmp
    Filesize

    7.7MB

  • memory/4864-2-0x00000000056A0000-0x0000000005C46000-memory.dmp
    Filesize

    5.6MB

  • memory/4864-4-0x0000000005340000-0x0000000005350000-memory.dmp
    Filesize

    64KB

  • memory/4864-27-0x0000000006710000-0x000000000674C000-memory.dmp
    Filesize

    240KB

  • memory/4864-28-0x0000000006880000-0x00000000068CC000-memory.dmp
    Filesize

    304KB

  • memory/4864-29-0x00000000069C0000-0x0000000006A26000-memory.dmp
    Filesize

    408KB

  • memory/4864-32-0x0000000007710000-0x00000000078D2000-memory.dmp
    Filesize

    1.8MB

  • memory/4864-33-0x0000000007E10000-0x000000000833C000-memory.dmp
    Filesize

    5.2MB

  • memory/4864-34-0x0000000007C60000-0x0000000007CB0000-memory.dmp
    Filesize

    320KB

  • memory/4864-24-0x0000000006C20000-0x0000000007238000-memory.dmp
    Filesize

    6.1MB