Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 03:19

General

  • Target

    7c700b74cfa885fd18abe0c42a71e28a3f82bb7e20bb0bb883a49f3e4e3e48f3.exe

  • Size

    1.8MB

  • MD5

    36e8bef9e64aab447e4deed78acb16a4

  • SHA1

    102c5e3e7bc0448c9a564411ecb5a831a6899c79

  • SHA256

    7c700b74cfa885fd18abe0c42a71e28a3f82bb7e20bb0bb883a49f3e4e3e48f3

  • SHA512

    e9d2bcc4cfbbf3ec02f1daa360696446e1a821be2253a57db833d667c3cb70706343e59aaa252ec341079fc604dcd7d2cc48ecc5c5f650de9a6e416769a4d0e6

  • SSDEEP

    49152:1eYB58EGCuOD1Ch9EPrj7QfpjSvJF+m6b9AXIS:1gdORuyUjSvT+zAXI

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\7c700b74cfa885fd18abe0c42a71e28a3f82bb7e20bb0bb883a49f3e4e3e48f3.exe
    "C:\Users\Admin\AppData\Local\Temp\7c700b74cfa885fd18abe0c42a71e28a3f82bb7e20bb0bb883a49f3e4e3e48f3.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:2688
    • C:\Users\Admin\AppData\Local\Temp\H3NW4S5UGFMTJKO2ZCATRXOISDL7.exe
      "C:\Users\Admin\AppData\Local\Temp\H3NW4S5UGFMTJKO2ZCATRXOISDL7.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:2880
    • C:\Users\Admin\AppData\Local\Temp\I3ZZM586U6UVX1A7W5ICVGU52COVKQ.exe
      "C:\Users\Admin\AppData\Local\Temp\I3ZZM586U6UVX1A7W5ICVGU52COVKQ.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:1696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab171B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar172E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\H3NW4S5UGFMTJKO2ZCATRXOISDL7.exe

    Filesize

    1.7MB

    MD5

    51501deb706a509a1dec7745ecf713e3

    SHA1

    7a925e2f3231498ab0cbd8cefe9b475fbab5f58b

    SHA256

    fe72e6a8775634e7d76adecf570a2866a81714d3e3d7be6174c8fefb327f2f0b

    SHA512

    cae65b34492e2c8413bcc19448697bd8c76e685046b60ecc65b313a49e4d7f9e9df24f0593f4691cffca1d8c7e9bc077bb2df7918767614b2172167bdc847476

  • \Users\Admin\AppData\Local\Temp\I3ZZM586U6UVX1A7W5ICVGU52COVKQ.exe

    Filesize

    2.7MB

    MD5

    b02d86ff1695f8c3faf80f6e5cd1b8bf

    SHA1

    aaf7bc27106152a25b5ad8ce4c643f4def00bfe8

    SHA256

    ff283c5f3e854c82dcfb4ea631f5f68496fb1654d025b5f3acfae5318c5ed088

    SHA512

    4c219352d2555f183b143ec875f7944c622d1f5fdd5969caf46844e537fd8852c0309e9d9d0cadc55e151bda2cc49eff2d8bb2d84e81ce5261f2e0f474fc7098

  • memory/1696-69-0x0000000000930000-0x0000000000E1C000-memory.dmp

    Filesize

    4.9MB

  • memory/1696-68-0x0000000000930000-0x0000000000E1C000-memory.dmp

    Filesize

    4.9MB

  • memory/2688-51-0x0000000006810000-0x0000000006C78000-memory.dmp

    Filesize

    4.4MB

  • memory/2688-50-0x0000000006810000-0x0000000006C78000-memory.dmp

    Filesize

    4.4MB

  • memory/2688-40-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-4-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-43-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-5-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-0-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-64-0x0000000006810000-0x0000000006CFC000-memory.dmp

    Filesize

    4.9MB

  • memory/2688-45-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-72-0x0000000006810000-0x0000000006CFC000-memory.dmp

    Filesize

    4.9MB

  • memory/2688-1-0x0000000077980000-0x0000000077982000-memory.dmp

    Filesize

    8KB

  • memory/2688-3-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-65-0x0000000000D70000-0x0000000001210000-memory.dmp

    Filesize

    4.6MB

  • memory/2688-2-0x0000000000D71000-0x0000000000D96000-memory.dmp

    Filesize

    148KB

  • memory/2688-67-0x0000000006810000-0x0000000006CFC000-memory.dmp

    Filesize

    4.9MB

  • memory/2880-53-0x0000000000AC0000-0x0000000000F28000-memory.dmp

    Filesize

    4.4MB

  • memory/2880-55-0x0000000000AC0000-0x0000000000F28000-memory.dmp

    Filesize

    4.4MB

  • memory/2880-70-0x0000000000AC0000-0x0000000000F28000-memory.dmp

    Filesize

    4.4MB

  • memory/2880-54-0x0000000000AC0000-0x0000000000F28000-memory.dmp

    Filesize

    4.4MB

  • memory/2880-74-0x0000000000AC0000-0x0000000000F28000-memory.dmp

    Filesize

    4.4MB