Analysis

  • max time kernel
    143s
  • 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
    23-04-2024 19:31

General

  • Target

    6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53.exe

  • Size

    304KB

  • MD5

    e9c6cf15980688c2d0eca2b8fd36cb37

  • SHA1

    328078770d6df3042d7737daf0c1cdc61a4180f5

  • SHA256

    6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53

  • SHA512

    e6a39a1345256896bc78a8184d5020026d125fe54cfe48e89247169eeb5c59bcab4a00a91b1078bbaf71677868bf29b4b56768183dc9d595af4f04645299089f

  • SSDEEP

    3072:Rq6EgY6iHrUjZd+kwPj+BcQ4MuZRCLbTA4SASinQcZqf7D34VeqiOLibBOl:wqY6iswP6c5MSCPTATAdQcZqf7DI/L

Malware Config

Extracted

Family

redline

Botnet

@cloudcosmic (https://cloudcosmic.store)

C2

87.121.105.175:14845

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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53.exe
    "C:\Users\Admin\AppData\Local\Temp\6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4752
  • 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=3808 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1336

    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\Tmp44F3.tmp
      Filesize

      2KB

      MD5

      1420d30f964eac2c85b2ccfe968eebce

      SHA1

      bdf9a6876578a3e38079c4f8cf5d6c79687ad750

      SHA256

      f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

      SHA512

      6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

    • memory/4752-27-0x00000000064F0000-0x00000000065FA000-memory.dmp
      Filesize

      1.0MB

    • memory/4752-37-0x00000000087F0000-0x0000000008D1C000-memory.dmp
      Filesize

      5.2MB

    • memory/4752-3-0x0000000004CD0000-0x0000000004D62000-memory.dmp
      Filesize

      584KB

    • memory/4752-4-0x0000000004C90000-0x0000000004CA0000-memory.dmp
      Filesize

      64KB

    • memory/4752-5-0x0000000004E90000-0x0000000004E9A000-memory.dmp
      Filesize

      40KB

    • memory/4752-1-0x0000000000280000-0x00000000002D2000-memory.dmp
      Filesize

      328KB

    • memory/4752-22-0x00000000058F0000-0x0000000005966000-memory.dmp
      Filesize

      472KB

    • memory/4752-28-0x0000000006430000-0x0000000006442000-memory.dmp
      Filesize

      72KB

    • memory/4752-40-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-2-0x0000000005180000-0x0000000005724000-memory.dmp
      Filesize

      5.6MB

    • memory/4752-23-0x0000000006260000-0x000000000627E000-memory.dmp
      Filesize

      120KB

    • memory/4752-29-0x0000000006490000-0x00000000064CC000-memory.dmp
      Filesize

      240KB

    • memory/4752-30-0x0000000006600000-0x000000000664C000-memory.dmp
      Filesize

      304KB

    • memory/4752-31-0x0000000006740000-0x00000000067A6000-memory.dmp
      Filesize

      408KB

    • memory/4752-32-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-33-0x0000000004C90000-0x0000000004CA0000-memory.dmp
      Filesize

      64KB

    • memory/4752-36-0x00000000080F0000-0x00000000082B2000-memory.dmp
      Filesize

      1.8MB

    • memory/4752-0-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/4752-38-0x0000000008020000-0x0000000008070000-memory.dmp
      Filesize

      320KB

    • memory/4752-26-0x00000000069A0000-0x0000000006FB8000-memory.dmp
      Filesize

      6.1MB