Analysis

  • max time kernel
    144s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 09:55

General

  • Target

    1.exe

  • Size

    3.8MB

  • MD5

    0bb89e5061f68665f350a0169feb33ef

  • SHA1

    55e51031b12d6c17d6c9dec5d49db88c50697180

  • SHA256

    1f151d59ecbc0777783081398a7ba820c130cb96ad1f0e5e37c977979e37d30e

  • SHA512

    0663968a9afa24520986b9401f39bb744e8d09ffd8edf421f20d58351ca70b16d8504130174ed3cff224e78c9cec3c37e74684bdbe9e6845f72c53c77040ead2

  • SSDEEP

    98304:hfrnJVtm927AmJXp1RJqnhCof3SgDfE6ETFlrgdM/9QAn09rWnyts:hV59p0hq8cFlrgdMv0M

Malware Config

Extracted

Family

stealc

Botnet

lapis2

C2

http://89.208.96.117

Attributes
  • url_path

    /c09b893e57f1e9ec.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\svchost015.exe
      C:\Users\Admin\AppData\Local\Temp\svchost015.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:708
  • 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 --field-trial-handle=4216,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=2460 /prefetch:8
    1⤵
      PID:3540
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=3364,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=2776 /prefetch:3
      1⤵
        PID:2612

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

        Filesize

        2B

        MD5

        d751713988987e9331980363e24189ce

        SHA1

        97d170e1550eee4afc0af065b78cda302a97674c

        SHA256

        4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

        SHA512

        b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

        Filesize

        40B

        MD5

        20d4b8fa017a12a108c87f540836e250

        SHA1

        1ac617fac131262b6d3ce1f52f5907e31d5f6f00

        SHA256

        6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

        SHA512

        507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

      • C:\Users\Admin\AppData\Local\Temp\svchost015.exe

        Filesize

        2.9MB

        MD5

        b826dd92d78ea2526e465a34324ebeea

        SHA1

        bf8a0093acfd2eb93c102e1a5745fb080575372e

        SHA256

        7824b50acdd144764dac7445a4067b35cf0fef619e451045ab6c1f54f5653a5b

        SHA512

        1ac4b731b9b31cabf3b1c43aee37206aee5326c8e786abe2ab38e031633b778f97f2d6545cf745c3066f3bd47b7aaf2ded2f9955475428100eaf271dd9aeef17

      • memory/708-10-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/708-8-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/708-12-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/708-9-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/708-57-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/708-61-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/708-4-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/708-92-0x0000000000400000-0x0000000000643000-memory.dmp

        Filesize

        2.3MB

      • memory/2856-11-0x0000000000400000-0x00000000007D0000-memory.dmp

        Filesize

        3.8MB

      • memory/2856-0-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

        Filesize

        4KB

      • memory/2856-1-0x0000000003010000-0x000000000331C000-memory.dmp

        Filesize

        3.0MB