Analysis

  • max time kernel
    91s
  • max time network
    153s
  • 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 15:16

General

  • Target

    4e8dd78bbfde3b512566836b98bd83fdc6a0f55ff35892c3c4a16f7876d4fcf5.exe

  • Size

    306KB

  • MD5

    cf6f00301a9d491adf368819d5e8de6c

  • SHA1

    d91c7fcfec1d99da4e906a31186cbe6cbebf8160

  • SHA256

    4e8dd78bbfde3b512566836b98bd83fdc6a0f55ff35892c3c4a16f7876d4fcf5

  • SHA512

    368e98f67ed6a12b01412c67eff9ac78f6bf298e9ef031b2f92ab33111aa86e8e5a0396e76672489ebd947c1a489b02d7220c26f36af90bc36b1099d9d01925d

  • 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\4e8dd78bbfde3b512566836b98bd83fdc6a0f55ff35892c3c4a16f7876d4fcf5.exe
    "C:\Users\Admin\AppData\Local\Temp\4e8dd78bbfde3b512566836b98bd83fdc6a0f55ff35892c3c4a16f7876d4fcf5.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp3076.tmp

    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3672-21-0x0000000006370000-0x000000000638E000-memory.dmp

    Filesize

    120KB

  • memory/3672-3-0x0000000004E10000-0x0000000004EA2000-memory.dmp

    Filesize

    584KB

  • memory/3672-25-0x0000000006500000-0x000000000660A000-memory.dmp

    Filesize

    1.0MB

  • memory/3672-26-0x0000000006440000-0x0000000006452000-memory.dmp

    Filesize

    72KB

  • memory/3672-5-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

    Filesize

    40KB

  • memory/3672-1-0x00000000744C0000-0x0000000074C71000-memory.dmp

    Filesize

    7.7MB

  • memory/3672-20-0x0000000005970000-0x00000000059E6000-memory.dmp

    Filesize

    472KB

  • memory/3672-0-0x0000000000300000-0x0000000000352000-memory.dmp

    Filesize

    328KB

  • memory/3672-35-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

    Filesize

    64KB

  • memory/3672-2-0x00000000052C0000-0x0000000005866000-memory.dmp

    Filesize

    5.6MB

  • memory/3672-4-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

    Filesize

    64KB

  • memory/3672-27-0x00000000064A0000-0x00000000064DC000-memory.dmp

    Filesize

    240KB

  • memory/3672-28-0x0000000006610000-0x000000000665C000-memory.dmp

    Filesize

    304KB

  • memory/3672-29-0x0000000006750000-0x00000000067B6000-memory.dmp

    Filesize

    408KB

  • memory/3672-32-0x00000000075A0000-0x0000000007762000-memory.dmp

    Filesize

    1.8MB

  • memory/3672-33-0x0000000007CA0000-0x00000000081CC000-memory.dmp

    Filesize

    5.2MB

  • memory/3672-34-0x00000000744C0000-0x0000000074C71000-memory.dmp

    Filesize

    7.7MB

  • memory/3672-24-0x00000000069B0000-0x0000000006FC8000-memory.dmp

    Filesize

    6.1MB