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 15:24

General

  • Target

    66ff53d0c971ff7f9db11b73cd7e9a1589e3bbb291465f8c98ead04440b10e1b.exe

  • Size

    306KB

  • MD5

    77a18c034495c41117e4b86a34eda108

  • SHA1

    aa9265267a0284e72aab9616d21d44b501dc1ee2

  • SHA256

    66ff53d0c971ff7f9db11b73cd7e9a1589e3bbb291465f8c98ead04440b10e1b

  • SHA512

    d3a88f029543e9665c0517ed967de8bde5ac982aa1dd37a11f56bbf0dc58081bd1802d568a76a1dffbb85af74154f46de48e4bf449a93a102cc7498d664e9d87

  • 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\66ff53d0c971ff7f9db11b73cd7e9a1589e3bbb291465f8c98ead04440b10e1b.exe
    "C:\Users\Admin\AppData\Local\Temp\66ff53d0c971ff7f9db11b73cd7e9a1589e3bbb291465f8c98ead04440b10e1b.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3028

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\Tmp44E8.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3028-25-0x0000000006B70000-0x0000000006C7A000-memory.dmp
    Filesize

    1.0MB

  • memory/3028-36-0x0000000008E10000-0x000000000933C000-memory.dmp
    Filesize

    5.2MB

  • memory/3028-24-0x0000000007020000-0x0000000007638000-memory.dmp
    Filesize

    6.1MB

  • memory/3028-4-0x00000000056A0000-0x00000000056B0000-memory.dmp
    Filesize

    64KB

  • memory/3028-5-0x0000000005490000-0x000000000549A000-memory.dmp
    Filesize

    40KB

  • memory/3028-1-0x0000000074F60000-0x0000000075711000-memory.dmp
    Filesize

    7.7MB

  • memory/3028-20-0x0000000006040000-0x00000000060B6000-memory.dmp
    Filesize

    472KB

  • memory/3028-21-0x00000000068E0000-0x00000000068FE000-memory.dmp
    Filesize

    120KB

  • memory/3028-3-0x0000000005500000-0x0000000005592000-memory.dmp
    Filesize

    584KB

  • memory/3028-2-0x0000000005A10000-0x0000000005FB6000-memory.dmp
    Filesize

    5.6MB

  • memory/3028-27-0x0000000006B10000-0x0000000006B4C000-memory.dmp
    Filesize

    240KB

  • memory/3028-26-0x0000000006AB0000-0x0000000006AC2000-memory.dmp
    Filesize

    72KB

  • memory/3028-28-0x0000000006C80000-0x0000000006CCC000-memory.dmp
    Filesize

    304KB

  • memory/3028-29-0x0000000006DC0000-0x0000000006E26000-memory.dmp
    Filesize

    408KB

  • memory/3028-32-0x0000000074F60000-0x0000000075711000-memory.dmp
    Filesize

    7.7MB

  • memory/3028-33-0x00000000056A0000-0x00000000056B0000-memory.dmp
    Filesize

    64KB

  • memory/3028-34-0x0000000007B80000-0x0000000007BD0000-memory.dmp
    Filesize

    320KB

  • memory/3028-35-0x0000000007DA0000-0x0000000007F62000-memory.dmp
    Filesize

    1.8MB

  • memory/3028-0-0x0000000000970000-0x00000000009C2000-memory.dmp
    Filesize

    328KB