Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 07:20

General

  • Target

    ffd3e08783983aa539d8056c4a45755a.exe

  • Size

    1.8MB

  • MD5

    ffd3e08783983aa539d8056c4a45755a

  • SHA1

    35319d1dfd1accbf215edf312d26c62ffe44193b

  • SHA256

    f0a572023009f960fc10a93f127dd60641929b63a63f9c51c8a0c2e2aec6f5f0

  • SHA512

    079743895dbf994875f12309db2493e1a6365a92e76aea3e0494e2a99bedd3e93a14298a6cef1543ab00748d44aad36f41ffac841e0de72f48458a66c701f4af

  • SSDEEP

    24576:UrDQ6pmRyeSkPdHxifiRY0jMMPtGHrd2Fhn084JoXSZH0CHlle+Vq5W6v+XgzB06:6aQvkFHfYMftGHRQ5+QM0CFWvrz3sN

Malware Config

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 3 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • 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 NtSetInformationThreadHideFromDebugger 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffd3e08783983aa539d8056c4a45755a.exe
    "C:\Users\Admin\AppData\Local\Temp\ffd3e08783983aa539d8056c4a45755a.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\313PGEGMEBZ5XBH140MOHR.exe
      "C:\Users\Admin\AppData\Local\Temp\313PGEGMEBZ5XBH140MOHR.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Windows security modification
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Users\Admin\AppData\Local\Temp\12XFOR0FI048YRXCG731S6NUPZH.exe
      "C:\Users\Admin\AppData\Local\Temp\12XFOR0FI048YRXCG731S6NUPZH.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6A7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar6D9.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\12XFOR0FI048YRXCG731S6NUPZH.exe

    Filesize

    2.7MB

    MD5

    696ee1c9d08773339efe314269dcf7f5

    SHA1

    21bfb4fcb39ccc3969a0d07cf743b113d64a1c63

    SHA256

    57014fe84559fa166db76f925753b65e9b18fc6e175e7c6900b67b4487e6c519

    SHA512

    eb7b0ca0510d332c123c2cdd998e7c8af22f1922ff5f1f8075c8774a93e46268e7965d9ec763f45ad8cd70a0e649dd3041338c2638792a9552590f3922463e14

  • \Users\Admin\AppData\Local\Temp\313PGEGMEBZ5XBH140MOHR.exe

    Filesize

    1.7MB

    MD5

    9dfbaebce6e517991f34b94c67a038e2

    SHA1

    82fc1e85fe38a59248fc43837a6f0d32f3f0c0be

    SHA256

    1b625c9923c41449ed1fdce417c57890367204340c2236b4b2f44ca864ae14ad

    SHA512

    dd88abb1f9d0b0fd441e9333b64a88c5f66fb40c8f1ca8c98e4d04299e970410ddc49b60eadfbe7b76a74ef0a4d39cca270d4364d9d83ab66e777ca44257d4d4

  • memory/528-69-0x00000000001C0000-0x00000000006B3000-memory.dmp

    Filesize

    4.9MB

  • memory/528-68-0x00000000001C0000-0x00000000006B3000-memory.dmp

    Filesize

    4.9MB

  • memory/2336-65-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-67-0x0000000006700000-0x0000000006BF3000-memory.dmp

    Filesize

    4.9MB

  • memory/2336-40-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-41-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-42-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-4-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-71-0x0000000006700000-0x0000000006BF3000-memory.dmp

    Filesize

    4.9MB

  • memory/2336-50-0x0000000006300000-0x0000000006754000-memory.dmp

    Filesize

    4.3MB

  • memory/2336-52-0x0000000006300000-0x0000000006754000-memory.dmp

    Filesize

    4.3MB

  • memory/2336-1-0x0000000077BD0000-0x0000000077BD2000-memory.dmp

    Filesize

    8KB

  • memory/2336-64-0x0000000006700000-0x0000000006BF3000-memory.dmp

    Filesize

    4.9MB

  • memory/2336-3-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-0-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-5-0x00000000001D0000-0x0000000000662000-memory.dmp

    Filesize

    4.6MB

  • memory/2336-2-0x00000000001D1000-0x00000000001F6000-memory.dmp

    Filesize

    148KB

  • memory/2576-55-0x00000000009A0000-0x0000000000DF4000-memory.dmp

    Filesize

    4.3MB

  • memory/2576-54-0x00000000009A0000-0x0000000000DF4000-memory.dmp

    Filesize

    4.3MB

  • memory/2576-53-0x00000000009A0000-0x0000000000DF4000-memory.dmp

    Filesize

    4.3MB

  • memory/2576-73-0x00000000009A0000-0x0000000000DF4000-memory.dmp

    Filesize

    4.3MB