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 15:21

General

  • Target

    81af77db10a174f2b7f08916d3c2e862e5cf8a1bc6db751f6ec8bd86937eeacd.exe

  • Size

    306KB

  • MD5

    c4138c65da4ab03650df00cf5f9be095

  • SHA1

    18ea4f33e81049b2ca14d150198102ae45b00419

  • SHA256

    81af77db10a174f2b7f08916d3c2e862e5cf8a1bc6db751f6ec8bd86937eeacd

  • SHA512

    d3d9f4cab35468953048a6b05658665c9904513069d7e9e49518fb679a2c347169e650c09189b083d91cddad887a0c262741eec15ff79f9bb7d41343812a068a

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81af77db10a174f2b7f08916d3c2e862e5cf8a1bc6db751f6ec8bd86937eeacd.exe
    "C:\Users\Admin\AppData\Local\Temp\81af77db10a174f2b7f08916d3c2e862e5cf8a1bc6db751f6ec8bd86937eeacd.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3456

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\Tmp3F7A.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3456-21-0x00000000065C0000-0x00000000065DE000-memory.dmp
    Filesize

    120KB

  • memory/3456-5-0x0000000005070000-0x000000000507A000-memory.dmp
    Filesize

    40KB

  • memory/3456-24-0x0000000006D00000-0x0000000007318000-memory.dmp
    Filesize

    6.1MB

  • memory/3456-4-0x0000000005230000-0x0000000005240000-memory.dmp
    Filesize

    64KB

  • memory/3456-25-0x0000000006850000-0x000000000695A000-memory.dmp
    Filesize

    1.0MB

  • memory/3456-0-0x0000000000550000-0x00000000005A2000-memory.dmp
    Filesize

    328KB

  • memory/3456-20-0x0000000005BA0000-0x0000000005C16000-memory.dmp
    Filesize

    472KB

  • memory/3456-26-0x0000000006790000-0x00000000067A2000-memory.dmp
    Filesize

    72KB

  • memory/3456-3-0x00000000050A0000-0x0000000005132000-memory.dmp
    Filesize

    584KB

  • memory/3456-2-0x0000000005570000-0x0000000005B16000-memory.dmp
    Filesize

    5.6MB

  • memory/3456-1-0x0000000074B20000-0x00000000752D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3456-27-0x00000000067F0000-0x000000000682C000-memory.dmp
    Filesize

    240KB

  • memory/3456-28-0x0000000006960000-0x00000000069AC000-memory.dmp
    Filesize

    304KB

  • memory/3456-29-0x0000000006AB0000-0x0000000006B16000-memory.dmp
    Filesize

    408KB

  • memory/3456-32-0x0000000007570000-0x00000000075C0000-memory.dmp
    Filesize

    320KB

  • memory/3456-33-0x0000000074B20000-0x00000000752D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3456-34-0x0000000005230000-0x0000000005240000-memory.dmp
    Filesize

    64KB