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 13:21

General

  • Target

    b2155c4d933a3bae1fadfa75d42d1df47d6160d78e14cbb74145e7348be0be22.exe

  • Size

    306KB

  • MD5

    eb21e9e770222a3f17ac5de24c6efb0a

  • SHA1

    2889cf4f32b76bac28854dd38d33036dd45113cf

  • SHA256

    b2155c4d933a3bae1fadfa75d42d1df47d6160d78e14cbb74145e7348be0be22

  • SHA512

    fbed7b5dd15dea4ab36b385aa3e6625c570751a7d293d4a4bdefa36f9638b6264901a81a9fc595475733281d0d5a254a0fe969103e2ea72047a402b3ad955cca

  • 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\b2155c4d933a3bae1fadfa75d42d1df47d6160d78e14cbb74145e7348be0be22.exe
    "C:\Users\Admin\AppData\Local\Temp\b2155c4d933a3bae1fadfa75d42d1df47d6160d78e14cbb74145e7348be0be22.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp491F.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/1184-25-0x0000000006ED0000-0x0000000006FDA000-memory.dmp
    Filesize

    1.0MB

  • memory/1184-35-0x0000000075130000-0x00000000758E1000-memory.dmp
    Filesize

    7.7MB

  • memory/1184-3-0x0000000005810000-0x00000000058A2000-memory.dmp
    Filesize

    584KB

  • memory/1184-4-0x0000000005750000-0x0000000005760000-memory.dmp
    Filesize

    64KB

  • memory/1184-5-0x00000000057E0000-0x00000000057EA000-memory.dmp
    Filesize

    40KB

  • memory/1184-1-0x0000000075130000-0x00000000758E1000-memory.dmp
    Filesize

    7.7MB

  • memory/1184-20-0x0000000005D30000-0x0000000005DA6000-memory.dmp
    Filesize

    472KB

  • memory/1184-26-0x0000000006E10000-0x0000000006E22000-memory.dmp
    Filesize

    72KB

  • memory/1184-38-0x0000000075130000-0x00000000758E1000-memory.dmp
    Filesize

    7.7MB

  • memory/1184-2-0x0000000005DC0000-0x0000000006366000-memory.dmp
    Filesize

    5.6MB

  • memory/1184-21-0x0000000006D40000-0x0000000006D5E000-memory.dmp
    Filesize

    120KB

  • memory/1184-27-0x0000000006E70000-0x0000000006EAC000-memory.dmp
    Filesize

    240KB

  • memory/1184-28-0x0000000006FE0000-0x000000000702C000-memory.dmp
    Filesize

    304KB

  • memory/1184-29-0x0000000007120000-0x0000000007186000-memory.dmp
    Filesize

    408KB

  • memory/1184-32-0x0000000007AA0000-0x0000000007AF0000-memory.dmp
    Filesize

    320KB

  • memory/1184-33-0x0000000008C70000-0x0000000008E32000-memory.dmp
    Filesize

    1.8MB

  • memory/1184-34-0x0000000009370000-0x000000000989C000-memory.dmp
    Filesize

    5.2MB

  • memory/1184-0-0x0000000000CC0000-0x0000000000D12000-memory.dmp
    Filesize

    328KB

  • memory/1184-36-0x0000000005750000-0x0000000005760000-memory.dmp
    Filesize

    64KB

  • memory/1184-24-0x0000000007380000-0x0000000007998000-memory.dmp
    Filesize

    6.1MB