Analysis

  • max time kernel
    100s
  • max time network
    110s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/06/2025, 19:26

General

  • Target
    Fearless.exe
  • Size 1.1MB
  • Sample250605-x5rjdatjs4
  • SHA256 f6da54171c6e7e3bc34cc58e550efb962056cabe0adaaec5a2562772ce2c1a2d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://battlefled.top/gaoi

  • https://narrathfpt.top/tekq

  • https://escczlv.top/bufi

  • https://localixbiw.top/zlpa

  • https://korxddl.top/qidz

  • https://tinklertjp.bet/nzaf

  • https://diecam.top/laur/api

  • https://citellcagt.top/gjtu

  • https://witchdbhy.run/pzal

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fearless.exe
    "C:\Users\Admin\AppData\Local\Temp\Fearless.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c copy Superb.mid Superb.mid.bat & Superb.mid.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3352
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3360
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2280
      • C:\Windows\SysWOW64\findstr.exe
        findstr "bdservicehost SophosHealth AvastUI AVGUI nsWscSvc ekrn"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1196
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y Commentary.mid *.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:868
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "collectables" Nations
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3364
      • C:\Users\Admin\AppData\Local\Temp\410083\Form.com
        Form.com T
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5036
      • C:\Windows\SysWOW64\choice.exe
        choice /d n /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2984

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Form.com

        • Path C:\Users\Admin\AppData\Local\Temp\410083\Form.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        T

        • Path C:\Users\Admin\AppData\Local\Temp\410083\T
        • Size 518KB
        • SHA256 fc7095337abbb4d2c2c4dd4e5d625b3e34eae0e9357f455aff6992addbdab4e9
        • MD5 SHA1 SHA512 SSDEEP

        Aka

        • Path C:\Users\Admin\AppData\Local\Temp\Aka
        • Size 67KB
        • SHA256 e61ec0fe7e83632bfa33fb663befd36625fba1e11ee8cc3a4684fdba6285ee50
        • MD5 SHA1 SHA512 SSDEEP

        Amateur

        • Path C:\Users\Admin\AppData\Local\Temp\Amateur
        • Size 108KB
        • SHA256 ec8c043ea84cab58ded1b02dd306b8f31d546e55452a96f4348ee174138969d8
        • MD5 SHA1 SHA512 SSDEEP

        Applicable.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Applicable.mid
        • Size 79KB
        • SHA256 234727e90bb0fa782b335ea2747cbbab7df9a8d1af09dc88518c76fb4adf1440
        • MD5 SHA1 SHA512 SSDEEP

        Celtic.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Celtic.mid
        • Size 99KB
        • SHA256 4894869f6e96d3da9954445dc1673abc3db49d2e3eac46f54d69798a6cbc8b0a
        • MD5 SHA1 SHA512 SSDEEP

        Commentary.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Commentary.mid
        • Size 477KB
        • SHA256 c0e1aaa767f4541cb9664f7b2957b9575dd4903e97f1227b83a4ee1f8521031d
        • MD5 SHA1 SHA512 SSDEEP

        Craft

        • Path C:\Users\Admin\AppData\Local\Temp\Craft
        • Size 108KB
        • SHA256 736bbf85caa1aeae6c1137143cb4f4205332e40e99236583a39ed17a46b62876
        • MD5 SHA1 SHA512 SSDEEP

        Ever.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Ever.mid
        • Size 69KB
        • SHA256 5d5ad0c8f5b276534009d36ecd997a8cf96915ac1d12b01ee2332656990209c0
        • MD5 SHA1 SHA512 SSDEEP

        Issue

        • Path C:\Users\Admin\AppData\Local\Temp\Issue
        • Size 79KB
        • SHA256 37c19b8177222a2b64473612620809b2cb70c25da9f65182a2c2308357b8712c
        • MD5 SHA1 SHA512 SSDEEP

        Meters

        • Path C:\Users\Admin\AppData\Local\Temp\Meters
        • Size 96KB
        • SHA256 78953549d3dbd4dfc83e9c52adc962149f6fbb815bd2780bd7a07cd79d405798
        • MD5 SHA1 SHA512 SSDEEP

        Monica

        • Path C:\Users\Admin\AppData\Local\Temp\Monica
        • Size 119KB
        • SHA256 4a223cfcf1a12a8e68e249c4acbb2d8e8bdce2889b88e07545bb44d6c84765dd
        • MD5 SHA1 SHA512 SSDEEP

        Nations

        • Path C:\Users\Admin\AppData\Local\Temp\Nations
        • Size 1KB
        • SHA256 8bfc40fe6089f474e63ba82a456d86def5957d0e5ca4d4bedcccea86be7d7e4e
        • MD5 SHA1 SHA512

        Pursuant.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Pursuant.mid
        • Size 81KB
        • SHA256 c48cde3b8c4eb4a673053fc9ba24b76a257b657b394446a25942b62ca3a59b41
        • MD5 SHA1 SHA512 SSDEEP

        Redhead.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Redhead.mid
        • Size 63KB
        • SHA256 e31919c69d18f4b5f13727ebc534377ff7a131019b907e58dc33513061b5588b
        • MD5 SHA1 SHA512 SSDEEP

        Salaries.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Salaries.mid
        • Size 54KB
        • SHA256 13c631c34af6325e536c4709d20ad47219fcf7515dafd3b048fd463711ba2ec7
        • MD5 SHA1 SHA512 SSDEEP

        Signatures.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Signatures.mid
        • Size 73KB
        • SHA256 c78176e1727886497351bb8c23b50b71d02c8dde5630bb073526ac9c1d9ee5e7
        • MD5 SHA1 SHA512 SSDEEP

        Superb.mid

        • Path C:\Users\Admin\AppData\Local\Temp\Superb.mid
        • Size 10KB
        • SHA256 67b6af121053d517abc5f4b46997dfc11e6c213ed4a78d636a7e708059bd5bc0
        • MD5 SHA1 SHA512 SSDEEP

        Throughout

        • Path C:\Users\Admin\AppData\Local\Temp\Throughout
        • Size 120KB
        • SHA256 507da745da1a867815a215e0edfd83d25e19cfc61b9af56f5d51e3a876df7e99
        • MD5 SHA1 SHA512 SSDEEP

        Tunisia

        • Path C:\Users\Admin\AppData\Local\Temp\Tunisia
        • Size 94KB
        • SHA256 edf5dbe8a383f4c5ae06a01a5e66d7dcc65a375325349be64527b65d1935c0e7
        • MD5 SHA1 SHA512 SSDEEP

        Tunnel

        • Path C:\Users\Admin\AppData\Local\Temp\Tunnel
        • Size 132KB
        • SHA256 a4901c413433a16f8db64b8529933be9f7bf536e949635df449a35ba1c3a12cc
        • MD5 SHA1 SHA512 SSDEEP

        memory/5036-303-0x0000000004BC0000-0x0000000004C21000-memory.dmp

        memory/5036-304-0x0000000004BC0000-0x0000000004C21000-memory.dmp

        memory/5036-305-0x0000000004BC0000-0x0000000004C21000-memory.dmp

        memory/5036-307-0x0000000004BC0000-0x0000000004C21000-memory.dmp

        memory/5036-306-0x0000000004BC0000-0x0000000004C21000-memory.dmp