Analysis

  • max time kernel
    90s
  • max time network
    150s
  • 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 12:39

General

  • Target

    cff1edca8cc7195e61e8ebab3a16a9181ac92e1dc661ec76dba34ab3d979a9d1.exe

  • Size

    305KB

  • MD5

    fcdc3e9d15907949c66367f18b585b52

  • SHA1

    cbad8a84d24a30a67d49144bc866dbb41e54f8ce

  • SHA256

    cff1edca8cc7195e61e8ebab3a16a9181ac92e1dc661ec76dba34ab3d979a9d1

  • SHA512

    a1df14c49f0ddf2f26a821baec5b5110b840edbfe3dfcc3f6d894e8e4f6efd9f6fb57f21cabe73c5b37a0689ab57b1c2ca7ad71bce0285aba6cd60b4bc626502

  • 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\cff1edca8cc7195e61e8ebab3a16a9181ac92e1dc661ec76dba34ab3d979a9d1.exe
    "C:\Users\Admin\AppData\Local\Temp\cff1edca8cc7195e61e8ebab3a16a9181ac92e1dc661ec76dba34ab3d979a9d1.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3452

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp4AE4.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3452-25-0x0000000006580000-0x000000000668A000-memory.dmp
    Filesize

    1.0MB

  • memory/3452-35-0x0000000074CC0000-0x0000000075471000-memory.dmp
    Filesize

    7.7MB

  • memory/3452-3-0x0000000004E90000-0x0000000004F22000-memory.dmp
    Filesize

    584KB

  • memory/3452-4-0x0000000005080000-0x0000000005090000-memory.dmp
    Filesize

    64KB

  • memory/3452-5-0x0000000004F40000-0x0000000004F4A000-memory.dmp
    Filesize

    40KB

  • memory/3452-1-0x0000000074CC0000-0x0000000075471000-memory.dmp
    Filesize

    7.7MB

  • memory/3452-20-0x0000000005A00000-0x0000000005A76000-memory.dmp
    Filesize

    472KB

  • memory/3452-26-0x00000000064C0000-0x00000000064D2000-memory.dmp
    Filesize

    72KB

  • memory/3452-38-0x0000000074CC0000-0x0000000075471000-memory.dmp
    Filesize

    7.7MB

  • memory/3452-2-0x0000000005350000-0x00000000058F6000-memory.dmp
    Filesize

    5.6MB

  • memory/3452-21-0x00000000063F0000-0x000000000640E000-memory.dmp
    Filesize

    120KB

  • memory/3452-27-0x0000000006520000-0x000000000655C000-memory.dmp
    Filesize

    240KB

  • memory/3452-28-0x0000000006690000-0x00000000066DC000-memory.dmp
    Filesize

    304KB

  • memory/3452-29-0x00000000067E0000-0x0000000006846000-memory.dmp
    Filesize

    408KB

  • memory/3452-32-0x0000000007250000-0x00000000072A0000-memory.dmp
    Filesize

    320KB

  • memory/3452-33-0x0000000007470000-0x0000000007632000-memory.dmp
    Filesize

    1.8MB

  • memory/3452-34-0x0000000007D70000-0x000000000829C000-memory.dmp
    Filesize

    5.2MB

  • memory/3452-0-0x0000000000380000-0x00000000003D2000-memory.dmp
    Filesize

    328KB

  • memory/3452-36-0x0000000005080000-0x0000000005090000-memory.dmp
    Filesize

    64KB

  • memory/3452-24-0x0000000006A30000-0x0000000007048000-memory.dmp
    Filesize

    6.1MB