Analysis

  • max time kernel
    147s
  • 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 12:16

General

  • Target

    bd3686f9b51d2fece3001ee47348fd2aee2a1da6821458b067b9510a0474a359.exe

  • Size

    305KB

  • MD5

    aa84c5eeee2aaecab1363e42b3244de1

  • SHA1

    2f42fcec23721e0d1ae34ec7405dd3b2f6c4d6be

  • SHA256

    bd3686f9b51d2fece3001ee47348fd2aee2a1da6821458b067b9510a0474a359

  • SHA512

    c7c4889409570d1ac8b88b2cf7886f566998d93005e7502eed8a91e5d234f92bf3785784035262adb3ecfeb8fc6468ae4b5e8e0ca6aca16f11cacf9be086123f

  • 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\bd3686f9b51d2fece3001ee47348fd2aee2a1da6821458b067b9510a0474a359.exe
    "C:\Users\Admin\AppData\Local\Temp\bd3686f9b51d2fece3001ee47348fd2aee2a1da6821458b067b9510a0474a359.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3656

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\Tmp5217.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3656-21-0x0000000006750000-0x000000000676E000-memory.dmp
    Filesize

    120KB

  • memory/3656-3-0x0000000005300000-0x0000000005392000-memory.dmp
    Filesize

    584KB

  • memory/3656-25-0x00000000069E0000-0x0000000006AEA000-memory.dmp
    Filesize

    1.0MB

  • memory/3656-26-0x0000000006920000-0x0000000006932000-memory.dmp
    Filesize

    72KB

  • memory/3656-5-0x00000000053A0000-0x00000000053AA000-memory.dmp
    Filesize

    40KB

  • memory/3656-1-0x0000000074580000-0x0000000074D31000-memory.dmp
    Filesize

    7.7MB

  • memory/3656-20-0x0000000005E80000-0x0000000005EF6000-memory.dmp
    Filesize

    472KB

  • memory/3656-0-0x00000000007E0000-0x0000000000832000-memory.dmp
    Filesize

    328KB

  • memory/3656-36-0x0000000074580000-0x0000000074D31000-memory.dmp
    Filesize

    7.7MB

  • memory/3656-2-0x00000000057D0000-0x0000000005D76000-memory.dmp
    Filesize

    5.6MB

  • memory/3656-4-0x0000000005430000-0x0000000005440000-memory.dmp
    Filesize

    64KB

  • memory/3656-27-0x0000000006980000-0x00000000069BC000-memory.dmp
    Filesize

    240KB

  • memory/3656-28-0x0000000006AF0000-0x0000000006B3C000-memory.dmp
    Filesize

    304KB

  • memory/3656-29-0x0000000006C30000-0x0000000006C96000-memory.dmp
    Filesize

    408KB

  • memory/3656-32-0x00000000079D0000-0x0000000007B92000-memory.dmp
    Filesize

    1.8MB

  • memory/3656-33-0x00000000087C0000-0x0000000008CEC000-memory.dmp
    Filesize

    5.2MB

  • memory/3656-34-0x0000000008290000-0x00000000082E0000-memory.dmp
    Filesize

    320KB

  • memory/3656-24-0x0000000006E90000-0x00000000074A8000-memory.dmp
    Filesize

    6.1MB