Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 17:05

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General

  • Target

    file.exe

  • Size

    394KB

  • MD5

    e4681cf87d9e2a0dd09ff6e02fe79eb6

  • SHA1

    73c19d284b9358e694c1d686cb906b01518641a1

  • SHA256

    05f13d8e64e219b971189c97ef7ebec20ff1b5f9858bb88db814c62b4540f751

  • SHA512

    962686efb51ce376a75d939a2a351979967cbf5d364794feaba16642e6e463c63b5551635fe31eb4bd8be7fcc7940a9c1395cd80606f1349ad5e389e02a4ee0d

  • SSDEEP

    6144:exHv9xQGoaKiDWM6iKwxnKfrfrhCA5PK8W9VFpmuXj8WtlcaZOc:exHHJ961UnK02PKnV+uXj88caZ

Score
10/10
lummavidard80be45a1eb6454ca916f92c36ebf67dcredential_accessdiscoverypersistencespywarestealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

d80be45a1eb6454ca916f92c36ebf67d

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

C2

https://surroundeocw.shop/api

https://racedsuitreow.shop/api

https://defenddsouneuw.shop/api

https://deallyharvenw.shop/api

https://priooozekw.shop/api

https://pumpkinkwquo.shop/api

https://abortinoiwiam.shop/api

https://covvercilverow.shop/api

Signatures

  • Detect Vidar Stealer 13 IoCs
    stealer
  • Lumma Stealer, LummaC

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

    stealerlumma
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

    stealervidar
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 64 IoCs
  • Executes dropped EXE 4 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.

    spywarestealer
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 64 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\ProgramData\IIJJDGHJKK.exe
        "C:\ProgramData\IIJJDGHJKK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4680
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3216
      • C:\ProgramData\AEHIJDAFBK.exe
        "C:\ProgramData\AEHIJDAFBK.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2136
        • C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe
          "C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe"
          4⤵
          • Checks computer location settings
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2440
          • C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe
            "C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe" --checker
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:744
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EHDGCGIDAKEB" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:232
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\AEHIJDAFBK.exe
    Filesize

    409KB

    MD5

    39af78c7dafc5b1b5b42268fd412b6fd

    SHA1

    f91d6871cb72874f02d58a8ca099941696b69729

    SHA256

    3878f5b404de6159915d9eb4e00a59dd303c2e36ec1d36a883c47e0d51462556

    SHA512

    bd7fdf9dd91c0039da3e1c5427c4afb2558ed2e375583dbdb39dfd2578ab2e204f0d7d92e79d178ebf06cc30ce38f169998554129aec73ee8c244e09ff685f4d

    Download Submit

  • C:\ProgramData\IIJJDGHJKK.exe
    Filesize

    362KB

    MD5

    583886f724d722f72c3ae477b0d2d40f

    SHA1

    7234b70620f127f291e3755385299dfe6d3fdfbd

    SHA256

    1957ace1277b9ac0b49bdce7485dfb01cdd208dc489e9ae079b528ef212b39ec

    SHA512

    499dc5703f327ef774eb44ce500b7219f102b44b6622e14fa01c02c8e399ebaae3021bbe992606677a0df64fb213f0932ca4e6d28e3e46ab08a4431aa5dc662b

    Download Submit

  • C:\ProgramData\mozglue.dll
    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    Download Submit

  • C:\ProgramData\nss3.dll
    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IDSM_1228038de5e346ac89b81daef6f97e49.lnk
    Filesize

    1KB

    MD5

    561e782ab760fa9916daaa1c14d80b4f

    SHA1

    d736872e9b08439d1b1125404e1ff5a75ec6309f

    SHA256

    cc752dd3e1a144e66563f7731090ee3477d20398c7c019e8c248b07c462b6e1c

    SHA512

    828e524af5a1a89584146baac592cf3109574de1fc6d362428cb26a7bd88e666f650bb30109882f0b8d6d819833be0125c3528210e9119fe50f417923ce2444e

    Download Submit

  • memory/2136-124-0x0000000004490000-0x0000000004491000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2136-123-0x0000000000200000-0x00000000002AA000-memory.dmp

    Filesize

    680KB

    Download

  • memory/2632-78-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-6-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-35-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-36-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-52-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-53-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-19-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-18-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-8-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-79-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-86-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-87-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

    Download

  • memory/2632-21-0x0000000022BA0000-0x0000000022DFF000-memory.dmp

    Filesize

    2.4MB

    Download

  • memory/3216-103-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/3216-109-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/3216-106-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/3560-11-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3560-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3560-60-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3560-1-0x0000000000280000-0x00000000002E8000-memory.dmp

    Filesize

    416KB

    Download

  • memory/4680-101-0x0000000000180000-0x00000000001E0000-memory.dmp

    Filesize

    384KB

    Download

  • memory/4680-108-0x00000000725D0000-0x0000000072D80000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4680-100-0x00000000725DE000-0x00000000725DF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4680-271-0x00000000725D0000-0x0000000072D80000-memory.dmp

    Filesize

    7.7MB

    Download