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Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 02:19

General

  • Target

    60a8c4e5f5b37b856e45ec5e04ebf30d8a8fb271e8884657c922770dd3b920f6.exe

  • Size

    1.7MB

  • MD5

    91d5cfb8d87ee0bfbabec96f509feddb

  • SHA1

    448617558ec059cfa5e8e0c542cec1cd1528331d

  • SHA256

    60a8c4e5f5b37b856e45ec5e04ebf30d8a8fb271e8884657c922770dd3b920f6

  • SHA512

    c73f838dbd4756bc3a21a30449ebb85a3cb2e21951de12a96f5793589d5e8676c0b22f488b277c6689bc98e0073655768e7bb62122e42d052f64ff730e7262ad

  • SSDEEP

    49152:fA4VZv10UT7+xVaCumN+avFoK/w4OQKOmyuP2PNAkQnBhr:ffvR4LuMrE4RHrPNWBhr

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

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 3 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.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60a8c4e5f5b37b856e45ec5e04ebf30d8a8fb271e8884657c922770dd3b920f6.exe
    "C:\Users\Admin\AppData\Local\Temp\60a8c4e5f5b37b856e45ec5e04ebf30d8a8fb271e8884657c922770dd3b920f6.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\R918ITL2LP2W54YMRREKIH.exe
      "C:\Users\Admin\AppData\Local\Temp\R918ITL2LP2W54YMRREKIH.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:2600
    • C:\Users\Admin\AppData\Local\Temp\FUV3E8GITGHUIVXGGAXFKAFGYS4BNK.exe
      "C:\Users\Admin\AppData\Local\Temp\FUV3E8GITGHUIVXGGAXFKAFGYS4BNK.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:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\FUV3E8GITGHUIVXGGAXFKAFGYS4BNK.exe

    Filesize

    1.7MB

    MD5

    f660a7ff99befe7ae52d2636a0e8db46

    SHA1

    41b7e90dbf2ce54bd4e3048d0dc1b7e9d59d81ee

    SHA256

    526d8ce745c14bac28de547ee616d66bec13517e558da772982b41cb9d6dda62

    SHA512

    4f13dc0b5c8003b3dc7a5f3faa02c4e103da106722d53494a74e419756d1ce8c35b308641e7690bb932002b0d16411caedb60e63138d33cbfe78520ca8bd0240

  • C:\Users\Admin\AppData\Local\Temp\R918ITL2LP2W54YMRREKIH.exe

    Filesize

    2.6MB

    MD5

    e5cfad81f5397d7eeed2e7251b7e6e7a

    SHA1

    84184161e1b542773e5c74909ce37bb1f8f2238e

    SHA256

    46cb31f14f15b4f13d203fe4138401adccf3163cf405fe907e7ee86bbd1c2387

    SHA512

    fad966d925810d75be01d20b2b2bbf45755a30d385754878764fec0f1d45100490ba8c4ea279429f91c627cfa8f6b0e2abc70abdb8b645dddf1abd4cf021656a

  • memory/1988-3-0x0000000000F40000-0x00000000013BA000-memory.dmp

    Filesize

    4.5MB

  • memory/1988-26-0x0000000000F40000-0x00000000013BA000-memory.dmp

    Filesize

    4.5MB

  • memory/1988-4-0x0000000000F40000-0x00000000013BA000-memory.dmp

    Filesize

    4.5MB

  • memory/1988-5-0x0000000000F40000-0x00000000013BA000-memory.dmp

    Filesize

    4.5MB

  • memory/1988-2-0x0000000000F41000-0x0000000000F66000-memory.dmp

    Filesize

    148KB

  • memory/1988-16-0x0000000006320000-0x00000000065C8000-memory.dmp

    Filesize

    2.7MB

  • memory/1988-27-0x0000000000F40000-0x00000000013BA000-memory.dmp

    Filesize

    4.5MB

  • memory/1988-14-0x0000000006320000-0x00000000065C8000-memory.dmp

    Filesize

    2.7MB

  • memory/1988-0-0x0000000000F40000-0x00000000013BA000-memory.dmp

    Filesize

    4.5MB

  • memory/1988-1-0x0000000077400000-0x0000000077402000-memory.dmp

    Filesize

    8KB

  • memory/1988-19-0x0000000000F40000-0x00000000013BA000-memory.dmp

    Filesize

    4.5MB

  • memory/2600-18-0x00000000001A0000-0x0000000000448000-memory.dmp

    Filesize

    2.7MB

  • memory/2600-17-0x00000000001A0000-0x0000000000448000-memory.dmp

    Filesize

    2.7MB

  • memory/2600-15-0x00000000001A0000-0x0000000000448000-memory.dmp

    Filesize

    2.7MB

  • memory/2600-30-0x00000000001A0000-0x0000000000448000-memory.dmp

    Filesize

    2.7MB

  • memory/2600-33-0x00000000001A0000-0x0000000000448000-memory.dmp

    Filesize

    2.7MB

  • memory/2712-28-0x0000000000860000-0x0000000000EF5000-memory.dmp

    Filesize

    6.6MB

  • memory/2712-29-0x0000000000860000-0x0000000000EF5000-memory.dmp

    Filesize

    6.6MB