Analysis

  • max time kernel
    103s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2025, 16:27

General

  • Target
    NеwInst_[UPD!].exe
  • Size 1.2MB
  • Sample250520-tybb2avpy2
  • SHA256 a083ba84f3ff9cc83191da42c43ade5a32d0bd39fd52ed18d79b493be800f918
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://quaterujrb.shop/fasj

  • https://narrathfpt.top/tekq

  • https://ngescczlv.top/bufi

  • https://caitraohvi.bet/adks

  • https://haircuirfm.top/aldk

  • https://5threatqjqy.top/nybe

  • https://citellcagt.top/gjtu

  • https://maxmtsq.bet/xzid

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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.

  • 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.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 7 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NеwInst_[UPD!].exe
    "C:\Users\Admin\AppData\Local\Temp\NеwInst_[UPD!].exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Windows\SysWOW64\CMd.exe
      "C:\Windows\System32\CMd.exe" /c copy Centre.flv Centre.flv.bat & Centre.flv.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3200
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2272
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4100
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5040
      • C:\Windows\SysWOW64\findstr.exe
        findstr "bdservicehost SophosHealth AvastUI AVGUI nsWscSvc ekrn"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5068
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 585516
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4848
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y /E Maintenance.flv
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4456
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "ARRIVES" Oct
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5036
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Pounds.flv + ..\Wiki.flv + ..\Myth.flv + ..\Skills.flv + ..\Underlying.flv + ..\Voip.flv + ..\Crown.flv + ..\His.flv p
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3572
      • C:\Users\Admin\AppData\Local\Temp\585516\Gadgets.com
        Gadgets.com p
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3472
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4100

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Gadgets.com

        • Path C:\Users\Admin\AppData\Local\Temp\585516\Gadgets.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        p

        • Path C:\Users\Admin\AppData\Local\Temp\585516\p
        • Size 510KB
        • SHA256 6c242ff2da89817ed5710f93c90986c8babb8069a2958251bb3b7fea8915cc41
        • MD5 SHA1 SHA512 SSDEEP

        Centre.flv.bat

        • Path C:\Users\Admin\AppData\Local\Temp\Centre.flv.bat
        • Size 22KB
        • SHA256 b5666d9382e5f79e5147f50728654a37f7abea84412b01b3bfba6dd322f7d4b0
        • MD5 SHA1 SHA512 SSDEEP

        Chambers

        • Path C:\Users\Admin\AppData\Local\Temp\Chambers
        • Size 137KB
        • SHA256 94e162adba679a3e1155164b785f845dd5aee8373d712df7a906b4f1a45f5b9c
        • MD5 SHA1 SHA512 SSDEEP

        Crown.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Crown.flv
        • Size 54KB
        • SHA256 03468d2eadb039dc049a2200d21cbc8c06f1a23c4d32b9f0e9849370d9114197
        • MD5 SHA1 SHA512 SSDEEP

        Domestic

        • Path C:\Users\Admin\AppData\Local\Temp\Domestic
        • Size 109KB
        • SHA256 f9ce3f6ddffac4092b28c021fd02cdbd9de58a2cec31ad3e50bb86cd2779f56e
        • MD5 SHA1 SHA512 SSDEEP

        Genius

        • Path C:\Users\Admin\AppData\Local\Temp\Genius
        • Size 71KB
        • SHA256 90590aa3db913e837ecc8cfe6a1c64474fbb50191b5eb456dc6bf05c8ed580ce
        • MD5 SHA1 SHA512 SSDEEP

        His.flv

        • Path C:\Users\Admin\AppData\Local\Temp\His.flv
        • Size 16KB
        • SHA256 0f8506b1271fa706f650cd32f2676a1f02fde02d864d04397e8b02f0eb569e63
        • MD5 SHA1 SHA512 SSDEEP

        Maintenance.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Maintenance.flv
        • Size 478KB
        • SHA256 f9b45570f0f90463d7a935d2f7b87187ecbb04ba496f2a56ab616c1f35759338
        • MD5 SHA1 SHA512 SSDEEP

        Myth.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Myth.flv
        • Size 89KB
        • SHA256 01a057da9196ac2da36e0323fbbd94f92fd51a0d32bd6de5e3f1a52317972fb9
        • MD5 SHA1 SHA512 SSDEEP

        Oct

        • Path C:\Users\Admin\AppData\Local\Temp\Oct
        • Size 2KB
        • SHA256 f0367a6b92bda790c10171aa73cac9399426b6098581756ef571e81430e4cab2
        • MD5 SHA1 SHA512

        Pipeline

        • Path C:\Users\Admin\AppData\Local\Temp\Pipeline
        • Size 58KB
        • SHA256 e569eb9eb6a5ca0be96ae9b543461c45097a69645f30db316959c6f3fcf0a28c
        • MD5 SHA1 SHA512 SSDEEP

        Platform

        • Path C:\Users\Admin\AppData\Local\Temp\Platform
        • Size 64KB
        • SHA256 b49fb11d4f84cdb2685d56499fdce37213c47444391db7cedac4042be6fa34e2
        • MD5 SHA1 SHA512 SSDEEP

        Pounds.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Pounds.flv
        • Size 91KB
        • SHA256 4a45cce6d27c481fe841ed95c594df2f47b580135254af695009371aac03e30b
        • MD5 SHA1 SHA512 SSDEEP

        Ringtones

        • Path C:\Users\Admin\AppData\Local\Temp\Ringtones
        • Size 22KB
        • SHA256 b656c02f0a741adebb32ebdd69cd743372b54ac1d6960254c68eddb077774a4d
        • MD5 SHA1 SHA512 SSDEEP

        Shoot

        • Path C:\Users\Admin\AppData\Local\Temp\Shoot
        • Size 128KB
        • SHA256 61cf1b5c553e86ea0eacb342e2afcbb88f390f0b545b88f53e0e2a839f22a991
        • MD5 SHA1 SHA512 SSDEEP

        Skills.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Skills.flv
        • Size 64KB
        • SHA256 51d0186591615a0d8b21f02d49a4039c7fd3c9a0d552dc161989ed0bb5574cff
        • MD5 SHA1 SHA512 SSDEEP

        Specifications

        • Path C:\Users\Admin\AppData\Local\Temp\Specifications
        • Size 72KB
        • SHA256 539133e5e5b8b3276a09c5a1e47a8377e3a33143f56a2aa2281deb42970eeafb
        • MD5 SHA1 SHA512 SSDEEP

        Underlying.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Underlying.flv
        • Size 57KB
        • SHA256 826f3a4b8bbdb16b9a99b8061c2b685ad7dabb0093ff70dcfc22305d226e418c
        • MD5 SHA1 SHA512 SSDEEP

        Voip.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Voip.flv
        • Size 66KB
        • SHA256 b987a9784b57439101addb990c109b23fef474c1f20b93a100977240c1841b1c
        • MD5 SHA1 SHA512 SSDEEP

        Wiki.flv

        • Path C:\Users\Admin\AppData\Local\Temp\Wiki.flv
        • Size 73KB
        • SHA256 993a18a3027005966d8cd0ccaf54bee9098e18a174510160004b879198b817aa
        • MD5 SHA1 SHA512 SSDEEP

        Wives

        • Path C:\Users\Admin\AppData\Local\Temp\Wives
        • Size 123KB
        • SHA256 90308a3e404482a07cc292cbf5e5ff6accc781846ffd6325a0be91f0f55c785f
        • MD5 SHA1 SHA512 SSDEEP

        Www

        • Path C:\Users\Admin\AppData\Local\Temp\Www
        • Size 138KB
        • SHA256 e734901a43bab734fbabfe6af5d648830fb223fe4f023f74c0d116c2e62e3fef
        • MD5 SHA1 SHA512 SSDEEP

        memory/3472-577-0x0000000004330000-0x0000000004393000-memory.dmp

        memory/3472-578-0x0000000004330000-0x0000000004393000-memory.dmp

        memory/3472-579-0x0000000004330000-0x0000000004393000-memory.dmp

        memory/3472-581-0x0000000004330000-0x0000000004393000-memory.dmp

        memory/3472-580-0x0000000004330000-0x0000000004393000-memory.dmp