Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 13:57

General

  • Target

    b81123294a0dbc419abf7df5590d72acef087dc55a4a061067ab960fed98e58d.exe

  • Size

    306KB

  • MD5

    c3fa020c7004af8932970731e6b739ea

  • SHA1

    4b2e50f29b6314d960a788d4f177e3fb3726ef23

  • SHA256

    b81123294a0dbc419abf7df5590d72acef087dc55a4a061067ab960fed98e58d

  • SHA512

    50d34740ed913e6c52cd9e2a74b6d74a185554f1770f77d22ac8ff9c8a8e129bdc849b5cba4c96230e027b9c6e35465f7e373d6b990c7afd8eb26f30c487770b

  • 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b81123294a0dbc419abf7df5590d72acef087dc55a4a061067ab960fed98e58d.exe
    "C:\Users\Admin\AppData\Local\Temp\b81123294a0dbc419abf7df5590d72acef087dc55a4a061067ab960fed98e58d.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2184
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4216

    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\Tmp8F99.tmp
      Filesize

      2KB

      MD5

      1420d30f964eac2c85b2ccfe968eebce

      SHA1

      bdf9a6876578a3e38079c4f8cf5d6c79687ad750

      SHA256

      f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

      SHA512

      6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

    • memory/2184-25-0x00000000054C0000-0x00000000054D0000-memory.dmp
      Filesize

      64KB

    • memory/2184-35-0x0000000007F30000-0x00000000080F2000-memory.dmp
      Filesize

      1.8MB

    • memory/2184-3-0x0000000005580000-0x0000000005612000-memory.dmp
      Filesize

      584KB

    • memory/2184-4-0x00000000054C0000-0x00000000054D0000-memory.dmp
      Filesize

      64KB

    • memory/2184-5-0x0000000005560000-0x000000000556A000-memory.dmp
      Filesize

      40KB

    • memory/2184-6-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/2184-1-0x0000000000AE0000-0x0000000000B32000-memory.dmp
      Filesize

      328KB

    • memory/2184-28-0x0000000007200000-0x0000000007818000-memory.dmp
      Filesize

      6.1MB

    • memory/2184-40-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/2184-2-0x0000000005A90000-0x0000000006034000-memory.dmp
      Filesize

      5.6MB

    • memory/2184-23-0x00000000061C0000-0x0000000006236000-memory.dmp
      Filesize

      472KB

    • memory/2184-29-0x0000000006D50000-0x0000000006E5A000-memory.dmp
      Filesize

      1.0MB

    • memory/2184-30-0x0000000006C90000-0x0000000006CA2000-memory.dmp
      Filesize

      72KB

    • memory/2184-31-0x0000000006CF0000-0x0000000006D2C000-memory.dmp
      Filesize

      240KB

    • memory/2184-32-0x0000000006E60000-0x0000000006EAC000-memory.dmp
      Filesize

      304KB

    • memory/2184-33-0x0000000005840000-0x00000000058A6000-memory.dmp
      Filesize

      408KB

    • memory/2184-34-0x00000000071A0000-0x00000000071F0000-memory.dmp
      Filesize

      320KB

    • memory/2184-0-0x0000000074EE0000-0x0000000075690000-memory.dmp
      Filesize

      7.7MB

    • memory/2184-36-0x0000000008630000-0x0000000008B5C000-memory.dmp
      Filesize

      5.2MB

    • memory/2184-24-0x0000000006BC0000-0x0000000006BDE000-memory.dmp
      Filesize

      120KB