Analysis

  • max time kernel
    145s
  • max time network
    158s
  • 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 12:40

General

  • Target

    dcf8679430bc69cfc5eb65f4dabf4f09.exe

  • Size

    305KB

  • MD5

    dcf8679430bc69cfc5eb65f4dabf4f09

  • SHA1

    9710f630423d29c6f3b5896eb47de41a57086275

  • SHA256

    53e9bec7369824cc6c1c0823afd428d6c8b3156870527b72916c1cb898e3f43d

  • SHA512

    3e685e2cae493a05c8a5a13d9513cb9b2e94054e7da92a34e87d2eba549e43801664e0beaa3229d9f4389911868bd31a66563c445055e18e648d7c893299b2bf

  • 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\dcf8679430bc69cfc5eb65f4dabf4f09.exe
    "C:\Users\Admin\AppData\Local\Temp\dcf8679430bc69cfc5eb65f4dabf4f09.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3192
  • 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=3696 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3932

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Tmp2BED.tmp

      Filesize

      2KB

      MD5

      1420d30f964eac2c85b2ccfe968eebce

      SHA1

      bdf9a6876578a3e38079c4f8cf5d6c79687ad750

      SHA256

      f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

      SHA512

      6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

    • memory/3192-27-0x0000000007260000-0x000000000736A000-memory.dmp

      Filesize

      1.0MB

    • memory/3192-35-0x0000000009070000-0x0000000009232000-memory.dmp

      Filesize

      1.8MB

    • memory/3192-3-0x0000000005A80000-0x0000000005B12000-memory.dmp

      Filesize

      584KB

    • memory/3192-4-0x0000000005C10000-0x0000000005C20000-memory.dmp

      Filesize

      64KB

    • memory/3192-5-0x0000000005A70000-0x0000000005A7A000-memory.dmp

      Filesize

      40KB

    • memory/3192-1-0x0000000000FF0000-0x0000000001042000-memory.dmp

      Filesize

      328KB

    • memory/3192-22-0x0000000006640000-0x00000000066B6000-memory.dmp

      Filesize

      472KB

    • memory/3192-28-0x00000000071A0000-0x00000000071B2000-memory.dmp

      Filesize

      72KB

    • memory/3192-40-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-2-0x0000000005F90000-0x0000000006534000-memory.dmp

      Filesize

      5.6MB

    • memory/3192-23-0x0000000006FD0000-0x0000000006FEE000-memory.dmp

      Filesize

      120KB

    • memory/3192-29-0x0000000007200000-0x000000000723C000-memory.dmp

      Filesize

      240KB

    • memory/3192-30-0x0000000007370000-0x00000000073BC000-memory.dmp

      Filesize

      304KB

    • memory/3192-31-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-32-0x00000000074B0000-0x0000000007516000-memory.dmp

      Filesize

      408KB

    • memory/3192-33-0x0000000005C10000-0x0000000005C20000-memory.dmp

      Filesize

      64KB

    • memory/3192-34-0x0000000005D30000-0x0000000005D80000-memory.dmp

      Filesize

      320KB

    • memory/3192-0-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-36-0x0000000009770000-0x0000000009C9C000-memory.dmp

      Filesize

      5.2MB

    • memory/3192-26-0x0000000007710000-0x0000000007D28000-memory.dmp

      Filesize

      6.1MB