Analysis

  • max time kernel
    93s
  • max time network
    95s
  • 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 13:09

General

  • Target

    b27da9e053930525e2a9bf627289eb7e88ea5c2a96cd35aac8ec40187055aaa6.exe

  • Size

    305KB

  • MD5

    821eea49c7f6d6286206333ebacccf86

  • SHA1

    2efa8375602df1f8ae56ada8b07b4f5d313cf8fd

  • SHA256

    b27da9e053930525e2a9bf627289eb7e88ea5c2a96cd35aac8ec40187055aaa6

  • SHA512

    53ec6c6aba5fba59aa5d795de3cabb7c217b786851bde374ca25824055784e9244987c81065d466b8086bdd0bbf285e3f8858581bdfc217a911c90bb37ce0733

  • 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\b27da9e053930525e2a9bf627289eb7e88ea5c2a96cd35aac8ec40187055aaa6.exe
    "C:\Users\Admin\AppData\Local\Temp\b27da9e053930525e2a9bf627289eb7e88ea5c2a96cd35aac8ec40187055aaa6.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp4AA5.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4696-25-0x00000000065B0000-0x00000000066BA000-memory.dmp
    Filesize

    1.0MB

  • memory/4696-35-0x00000000086B0000-0x0000000008BDC000-memory.dmp
    Filesize

    5.2MB

  • memory/4696-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp
    Filesize

    584KB

  • memory/4696-4-0x0000000005110000-0x0000000005120000-memory.dmp
    Filesize

    64KB

  • memory/4696-5-0x0000000005060000-0x000000000506A000-memory.dmp
    Filesize

    40KB

  • memory/4696-0-0x00000000003B0000-0x0000000000402000-memory.dmp
    Filesize

    328KB

  • memory/4696-20-0x0000000005A10000-0x0000000005A86000-memory.dmp
    Filesize

    472KB

  • memory/4696-26-0x00000000064F0000-0x0000000006502000-memory.dmp
    Filesize

    72KB

  • memory/4696-38-0x0000000074630000-0x0000000074DE1000-memory.dmp
    Filesize

    7.7MB

  • memory/4696-2-0x00000000053E0000-0x0000000005986000-memory.dmp
    Filesize

    5.6MB

  • memory/4696-21-0x0000000006420000-0x000000000643E000-memory.dmp
    Filesize

    120KB

  • memory/4696-27-0x0000000006550000-0x000000000658C000-memory.dmp
    Filesize

    240KB

  • memory/4696-28-0x00000000066C0000-0x000000000670C000-memory.dmp
    Filesize

    304KB

  • memory/4696-29-0x0000000006810000-0x0000000006876000-memory.dmp
    Filesize

    408KB

  • memory/4696-32-0x0000000074630000-0x0000000074DE1000-memory.dmp
    Filesize

    7.7MB

  • memory/4696-33-0x0000000005110000-0x0000000005120000-memory.dmp
    Filesize

    64KB

  • memory/4696-34-0x0000000007FB0000-0x0000000008172000-memory.dmp
    Filesize

    1.8MB

  • memory/4696-1-0x0000000074630000-0x0000000074DE1000-memory.dmp
    Filesize

    7.7MB

  • memory/4696-36-0x0000000007380000-0x00000000073D0000-memory.dmp
    Filesize

    320KB

  • memory/4696-24-0x0000000006A60000-0x0000000007078000-memory.dmp
    Filesize

    6.1MB