Analysis

  • max time kernel
    90s
  • max time network
    93s
  • 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 11:36

General

  • Target

    b552479a1c0512b68bc6497e64e92c853e473155628013a5e3c9b1c80e649706.exe

  • Size

    305KB

  • MD5

    fab799c8499ba2969c445a1b23ce7611

  • SHA1

    6a12b6e10c12e49ef0946b5db7c64c719d1122d0

  • SHA256

    b552479a1c0512b68bc6497e64e92c853e473155628013a5e3c9b1c80e649706

  • SHA512

    a4cc70e683810f7b7f7704ef8ed01668675ddcbc7871b4206632cf0fca5e5241b9a3ca73da1b5b0b1b2d1905f7c36d2b1425d62f3442bb6ce59b5cb7ef7d1cc2

  • 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\b552479a1c0512b68bc6497e64e92c853e473155628013a5e3c9b1c80e649706.exe
    "C:\Users\Admin\AppData\Local\Temp\b552479a1c0512b68bc6497e64e92c853e473155628013a5e3c9b1c80e649706.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:772

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\Tmp445C.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/772-21-0x00000000065A0000-0x00000000065BE000-memory.dmp
    Filesize

    120KB

  • memory/772-3-0x00000000050D0000-0x0000000005162000-memory.dmp
    Filesize

    584KB

  • memory/772-25-0x0000000006730000-0x000000000683A000-memory.dmp
    Filesize

    1.0MB

  • memory/772-26-0x0000000006670000-0x0000000006682000-memory.dmp
    Filesize

    72KB

  • memory/772-5-0x0000000005050000-0x000000000505A000-memory.dmp
    Filesize

    40KB

  • memory/772-0-0x0000000000530000-0x0000000000582000-memory.dmp
    Filesize

    328KB

  • memory/772-20-0x0000000005B90000-0x0000000005C06000-memory.dmp
    Filesize

    472KB

  • memory/772-1-0x0000000074580000-0x0000000074D31000-memory.dmp
    Filesize

    7.7MB

  • memory/772-36-0x0000000074580000-0x0000000074D31000-memory.dmp
    Filesize

    7.7MB

  • memory/772-2-0x00000000055E0000-0x0000000005B86000-memory.dmp
    Filesize

    5.6MB

  • memory/772-4-0x0000000005330000-0x0000000005340000-memory.dmp
    Filesize

    64KB

  • memory/772-27-0x00000000066D0000-0x000000000670C000-memory.dmp
    Filesize

    240KB

  • memory/772-28-0x0000000006840000-0x000000000688C000-memory.dmp
    Filesize

    304KB

  • memory/772-29-0x0000000006990000-0x00000000069F6000-memory.dmp
    Filesize

    408KB

  • memory/772-32-0x0000000009810000-0x00000000099D2000-memory.dmp
    Filesize

    1.8MB

  • memory/772-33-0x0000000009F10000-0x000000000A43C000-memory.dmp
    Filesize

    5.2MB

  • memory/772-34-0x00000000088E0000-0x0000000008930000-memory.dmp
    Filesize

    320KB

  • memory/772-24-0x0000000006BE0000-0x00000000071F8000-memory.dmp
    Filesize

    6.1MB