Analysis

  • max time kernel
    146s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 10:14

General

  • Target

    b484b5356d00aef00d35c1339aa0c8937f2725cdccc06156d1941ca6bf63efb5.exe

  • Size

    372KB

  • MD5

    ee00befc0e8ddba06dfa8510902aff79

  • SHA1

    7af7a60d99c8cea7c9d64e87ef2a4bfa56199328

  • SHA256

    b484b5356d00aef00d35c1339aa0c8937f2725cdccc06156d1941ca6bf63efb5

  • SHA512

    a063c2b216955531a8661436eb8ffcbf0f43870e459f942f629e7586ff725adcb4b7da36063412716e961c88025a16aa30450adad86045202280065c99632b81

  • SSDEEP

    3072:SA3jy8PU2hlpXQ+nIdw4ziY0T+0oU/xil8NLuimFRTxgZX+jJGDCzA4O6VG5Du9S:zmMAs+WiPzT6V7DN1HuU319Xi

Malware Config

Extracted

Family

lumma

C2

https://paintercrutcheniw.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • 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 2 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b484b5356d00aef00d35c1339aa0c8937f2725cdccc06156d1941ca6bf63efb5.exe
    "C:\Users\Admin\AppData\Local\Temp\b484b5356d00aef00d35c1339aa0c8937f2725cdccc06156d1941ca6bf63efb5.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:5032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 1144
      2⤵
      • Program crash
      PID:3068
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3512 --field-trial-handle=2232,i,3915538061666887171,15629965885515244134,262144 --variations-seed-version /prefetch:3
    1⤵
      PID:3104
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5032 -ip 5032
      1⤵
        PID:3220
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=2232,i,3915538061666887171,15629965885515244134,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1556

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

          Filesize

          2B

          MD5

          d751713988987e9331980363e24189ce

          SHA1

          97d170e1550eee4afc0af065b78cda302a97674c

          SHA256

          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

          SHA512

          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

          Filesize

          40B

          MD5

          20d4b8fa017a12a108c87f540836e250

          SHA1

          1ac617fac131262b6d3ce1f52f5907e31d5f6f00

          SHA256

          6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

          SHA512

          507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

        • memory/5032-33-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-11-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-4-0x0000000000B90000-0x0000000000B91000-memory.dmp

          Filesize

          4KB

        • memory/5032-6-0x0000000000B90000-0x0000000000B91000-memory.dmp

          Filesize

          4KB

        • memory/5032-7-0x0000000000B90000-0x0000000000BC2000-memory.dmp

          Filesize

          200KB

        • memory/5032-40-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-9-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-10-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-13-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-14-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-15-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-16-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-12-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-43-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-18-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-17-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-19-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-20-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-21-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-22-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-23-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-24-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-25-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-26-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-27-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-44-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-29-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-30-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-32-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-1-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

          Filesize

          1024KB

        • memory/5032-31-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-3-0x0000000000400000-0x0000000000B06000-memory.dmp

          Filesize

          7.0MB

        • memory/5032-8-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-5-0x0000000000B90000-0x0000000000B91000-memory.dmp

          Filesize

          4KB

        • memory/5032-28-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-47-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-51-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-52-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-53-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-50-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-49-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-48-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-58-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-70-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-69-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-68-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-67-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-66-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-65-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-64-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-63-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-62-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-61-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-60-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-59-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-57-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-56-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-55-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-54-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-46-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-45-0x0000000003510000-0x0000000003511000-memory.dmp

          Filesize

          4KB

        • memory/5032-42-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-41-0x0000000003410000-0x0000000003510000-memory.dmp

          Filesize

          1024KB

        • memory/5032-114-0x0000000000400000-0x0000000000B06000-memory.dmp

          Filesize

          7.0MB

        • memory/5032-2-0x0000000002760000-0x00000000027A9000-memory.dmp

          Filesize

          292KB