Analysis

  • max time kernel
    90s
  • max time network
    97s
  • 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, 12:56

General

  • Target

    a0a4ea1a44e65340832d9afd875cf72db0d44725cae6208fdad268b0b2c16e64.exe

  • Size

    305KB

  • MD5

    76c0adbd2d01241c3260db4ea0d391d7

  • SHA1

    c8bddc99c5fb0655e178d3d3d807c162ecad0779

  • SHA256

    a0a4ea1a44e65340832d9afd875cf72db0d44725cae6208fdad268b0b2c16e64

  • SHA512

    9676fc537a7f1cc3f750ac816bd3a6fdba07fead5eb511e2883577b6dbc6612e97dd1799b8c5b2dad4681dedda387e53739439ad2685089f459da74f56f2c335

  • 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\a0a4ea1a44e65340832d9afd875cf72db0d44725cae6208fdad268b0b2c16e64.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a4ea1a44e65340832d9afd875cf72db0d44725cae6208fdad268b0b2c16e64.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp5340.tmp

    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3584-26-0x0000000007120000-0x0000000007132000-memory.dmp

    Filesize

    72KB

  • memory/3584-2-0x0000000006020000-0x00000000065C6000-memory.dmp

    Filesize

    5.6MB

  • memory/3584-3-0x0000000005B10000-0x0000000005BA2000-memory.dmp

    Filesize

    584KB

  • memory/3584-4-0x0000000005D70000-0x0000000005D80000-memory.dmp

    Filesize

    64KB

  • memory/3584-5-0x0000000005B00000-0x0000000005B0A000-memory.dmp

    Filesize

    40KB

  • memory/3584-0-0x0000000000FD0000-0x0000000001022000-memory.dmp

    Filesize

    328KB

  • memory/3584-20-0x0000000006650000-0x00000000066C6000-memory.dmp

    Filesize

    472KB

  • memory/3584-21-0x0000000006F50000-0x0000000006F6E000-memory.dmp

    Filesize

    120KB

  • memory/3584-1-0x0000000074530000-0x0000000074CE1000-memory.dmp

    Filesize

    7.7MB

  • memory/3584-24-0x0000000007690000-0x0000000007CA8000-memory.dmp

    Filesize

    6.1MB

  • memory/3584-28-0x00000000072F0000-0x000000000733C000-memory.dmp

    Filesize

    304KB

  • memory/3584-27-0x0000000007180000-0x00000000071BC000-memory.dmp

    Filesize

    240KB

  • memory/3584-25-0x00000000071E0000-0x00000000072EA000-memory.dmp

    Filesize

    1.0MB

  • memory/3584-29-0x0000000007430000-0x0000000007496000-memory.dmp

    Filesize

    408KB

  • memory/3584-32-0x0000000007DB0000-0x0000000007E00000-memory.dmp

    Filesize

    320KB

  • memory/3584-33-0x00000000080D0000-0x0000000008292000-memory.dmp

    Filesize

    1.8MB

  • memory/3584-34-0x00000000087D0000-0x0000000008CFC000-memory.dmp

    Filesize

    5.2MB

  • memory/3584-35-0x0000000074530000-0x0000000074CE1000-memory.dmp

    Filesize

    7.7MB

  • memory/3584-36-0x0000000005D70000-0x0000000005D80000-memory.dmp

    Filesize

    64KB

  • memory/3584-38-0x0000000074530000-0x0000000074CE1000-memory.dmp

    Filesize

    7.7MB