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 12:49

General

  • Target

    b23cda9f6f88d54905c80caa9defea8e62ff93f9b86af5a2ffd5053d0462eed9.exe

  • Size

    305KB

  • MD5

    21ed998c0f1be69e3cb8e7881da72dea

  • SHA1

    0408f500bc445882deabb227d2c19bfd8bbe8824

  • SHA256

    b23cda9f6f88d54905c80caa9defea8e62ff93f9b86af5a2ffd5053d0462eed9

  • SHA512

    b35c36caba2ab6d5a408ee3201dc9770e2ef2444058e5f34e0e7f26e2e84b5fea8a22c11c6d5233d745fa137c45ec807fd8bdb7aa6ec09cf2eed41072de5f64e

  • 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\b23cda9f6f88d54905c80caa9defea8e62ff93f9b86af5a2ffd5053d0462eed9.exe
    "C:\Users\Admin\AppData\Local\Temp\b23cda9f6f88d54905c80caa9defea8e62ff93f9b86af5a2ffd5053d0462eed9.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp511D.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4168-25-0x0000000007160000-0x000000000726A000-memory.dmp
    Filesize

    1.0MB

  • memory/4168-35-0x00000000750F0000-0x00000000758A1000-memory.dmp
    Filesize

    7.7MB

  • memory/4168-3-0x0000000005AF0000-0x0000000005B82000-memory.dmp
    Filesize

    584KB

  • memory/4168-4-0x0000000005C30000-0x0000000005C40000-memory.dmp
    Filesize

    64KB

  • memory/4168-5-0x0000000005A80000-0x0000000005A8A000-memory.dmp
    Filesize

    40KB

  • memory/4168-1-0x00000000750F0000-0x00000000758A1000-memory.dmp
    Filesize

    7.7MB

  • memory/4168-20-0x0000000006630000-0x00000000066A6000-memory.dmp
    Filesize

    472KB

  • memory/4168-26-0x00000000070A0000-0x00000000070B2000-memory.dmp
    Filesize

    72KB

  • memory/4168-38-0x00000000750F0000-0x00000000758A1000-memory.dmp
    Filesize

    7.7MB

  • memory/4168-2-0x0000000006000000-0x00000000065A6000-memory.dmp
    Filesize

    5.6MB

  • memory/4168-21-0x0000000006FD0000-0x0000000006FEE000-memory.dmp
    Filesize

    120KB

  • memory/4168-27-0x0000000007100000-0x000000000713C000-memory.dmp
    Filesize

    240KB

  • memory/4168-28-0x0000000007270000-0x00000000072BC000-memory.dmp
    Filesize

    304KB

  • memory/4168-29-0x00000000073B0000-0x0000000007416000-memory.dmp
    Filesize

    408KB

  • memory/4168-32-0x00000000083E0000-0x00000000085A2000-memory.dmp
    Filesize

    1.8MB

  • memory/4168-33-0x0000000008EF0000-0x000000000941C000-memory.dmp
    Filesize

    5.2MB

  • memory/4168-34-0x00000000085B0000-0x0000000008600000-memory.dmp
    Filesize

    320KB

  • memory/4168-0-0x0000000000F60000-0x0000000000FB2000-memory.dmp
    Filesize

    328KB

  • memory/4168-36-0x0000000005C30000-0x0000000005C40000-memory.dmp
    Filesize

    64KB

  • memory/4168-24-0x0000000007610000-0x0000000007C28000-memory.dmp
    Filesize

    6.1MB