Analysis

  • max time kernel
    147s
  • max time network
    151s
  • 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 12:38

General

  • Target

    cbb3e62d66439525b55bae2d3a46b2b9463e477578441edbf6239dc8096f3de2.exe

  • Size

    305KB

  • MD5

    172744a8e0d956fabc9d26477b4944c4

  • SHA1

    132f7f18a959532a5412abe2dce65d6b580d7447

  • SHA256

    cbb3e62d66439525b55bae2d3a46b2b9463e477578441edbf6239dc8096f3de2

  • SHA512

    57d45259d6005c4fa6b0eac4d0dc57a47c3ceb63094db58a9c9522c89292a798c9b3a9747503ca81411d01d4c7ea3c32844611ebb6bb86b98dc8787c799a5850

  • 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\cbb3e62d66439525b55bae2d3a46b2b9463e477578441edbf6239dc8096f3de2.exe
    "C:\Users\Admin\AppData\Local\Temp\cbb3e62d66439525b55bae2d3a46b2b9463e477578441edbf6239dc8096f3de2.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1736

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\Tmp47F6.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/1736-26-0x0000000006320000-0x0000000006332000-memory.dmp
    Filesize

    72KB

  • memory/1736-35-0x0000000007FA0000-0x0000000008162000-memory.dmp
    Filesize

    1.8MB

  • memory/1736-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp
    Filesize

    584KB

  • memory/1736-4-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
    Filesize

    64KB

  • memory/1736-5-0x0000000004CF0000-0x0000000004CFA000-memory.dmp
    Filesize

    40KB

  • memory/1736-1-0x0000000074800000-0x0000000074FB1000-memory.dmp
    Filesize

    7.7MB

  • memory/1736-20-0x0000000005270000-0x00000000052E6000-memory.dmp
    Filesize

    472KB

  • memory/1736-25-0x00000000063E0000-0x00000000064EA000-memory.dmp
    Filesize

    1.0MB

  • memory/1736-38-0x0000000074800000-0x0000000074FB1000-memory.dmp
    Filesize

    7.7MB

  • memory/1736-2-0x0000000005310000-0x00000000058B6000-memory.dmp
    Filesize

    5.6MB

  • memory/1736-21-0x0000000006250000-0x000000000626E000-memory.dmp
    Filesize

    120KB

  • memory/1736-28-0x00000000064F0000-0x000000000653C000-memory.dmp
    Filesize

    304KB

  • memory/1736-27-0x0000000006380000-0x00000000063BC000-memory.dmp
    Filesize

    240KB

  • memory/1736-29-0x0000000006640000-0x00000000066A6000-memory.dmp
    Filesize

    408KB

  • memory/1736-32-0x0000000074800000-0x0000000074FB1000-memory.dmp
    Filesize

    7.7MB

  • memory/1736-33-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
    Filesize

    64KB

  • memory/1736-34-0x0000000005000000-0x0000000005050000-memory.dmp
    Filesize

    320KB

  • memory/1736-0-0x00000000001E0000-0x0000000000232000-memory.dmp
    Filesize

    328KB

  • memory/1736-36-0x00000000086A0000-0x0000000008BCC000-memory.dmp
    Filesize

    5.2MB

  • memory/1736-24-0x0000000006890000-0x0000000006EA8000-memory.dmp
    Filesize

    6.1MB