Analysis

  • max time kernel
    90s
  • max time network
    94s
  • 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 13:23

General

  • Target

    81828bdfb0ebba1d4846f60470d09af32e8055aef39259012a7073abd0e730c2.exe

  • Size

    306KB

  • MD5

    eb937429530232c3d41d2b8b0644096c

  • SHA1

    5013c77c8d0eb6ab27498509623374e986acfb19

  • SHA256

    81828bdfb0ebba1d4846f60470d09af32e8055aef39259012a7073abd0e730c2

  • SHA512

    419858684c23a41ce9dbb7ffa13dc310f73e181de6e86d64e6c51202b898ea024321825a869e9d4df7bece98026cac5d93ea1444552525ab371376687e20e2ca

  • 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\81828bdfb0ebba1d4846f60470d09af32e8055aef39259012a7073abd0e730c2.exe
    "C:\Users\Admin\AppData\Local\Temp\81828bdfb0ebba1d4846f60470d09af32e8055aef39259012a7073abd0e730c2.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3060

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\Tmp3ECE.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3060-25-0x0000000006510000-0x000000000661A000-memory.dmp
    Filesize

    1.0MB

  • memory/3060-35-0x0000000007900000-0x0000000007950000-memory.dmp
    Filesize

    320KB

  • memory/3060-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp
    Filesize

    584KB

  • memory/3060-4-0x0000000005060000-0x0000000005070000-memory.dmp
    Filesize

    64KB

  • memory/3060-5-0x0000000004E20000-0x0000000004E2A000-memory.dmp
    Filesize

    40KB

  • memory/3060-1-0x0000000074F20000-0x00000000756D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3060-20-0x00000000059A0000-0x0000000005A16000-memory.dmp
    Filesize

    472KB

  • memory/3060-26-0x0000000006450000-0x0000000006462000-memory.dmp
    Filesize

    72KB

  • memory/3060-38-0x0000000074F20000-0x00000000756D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3060-2-0x00000000053F0000-0x0000000005996000-memory.dmp
    Filesize

    5.6MB

  • memory/3060-21-0x0000000006280000-0x000000000629E000-memory.dmp
    Filesize

    120KB

  • memory/3060-27-0x00000000064B0000-0x00000000064EC000-memory.dmp
    Filesize

    240KB

  • memory/3060-28-0x0000000006620000-0x000000000666C000-memory.dmp
    Filesize

    304KB

  • memory/3060-29-0x0000000006770000-0x00000000067D6000-memory.dmp
    Filesize

    408KB

  • memory/3060-32-0x00000000073B0000-0x0000000007572000-memory.dmp
    Filesize

    1.8MB

  • memory/3060-33-0x0000000007AB0000-0x0000000007FDC000-memory.dmp
    Filesize

    5.2MB

  • memory/3060-34-0x0000000074F20000-0x00000000756D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3060-0-0x0000000000310000-0x0000000000362000-memory.dmp
    Filesize

    328KB

  • memory/3060-36-0x0000000005060000-0x0000000005070000-memory.dmp
    Filesize

    64KB

  • memory/3060-24-0x00000000069C0000-0x0000000006FD8000-memory.dmp
    Filesize

    6.1MB