Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/07/2024, 14:18

General

  • Target
    375d32aec3ce77b266a6bd8a56688afbdfe4c4e085122b402abef24daa75793a.exe
  • Size 1.0MB
  • Sample240707-rmn3mswepf
  • SHA256 375d32aec3ce77b266a6bd8a56688afbdfe4c4e085122b402abef24daa75793a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://potterryisiw.shop/api

Signatures

  • Lumma Stealer

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

  • 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 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\375d32aec3ce77b266a6bd8a56688afbdfe4c4e085122b402abef24daa75793a.exe
    "C:\Users\Admin\AppData\Local\Temp\375d32aec3ce77b266a6bd8a56688afbdfe4c4e085122b402abef24daa75793a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k copy Su Su.cmd & Su.cmd & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:244
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:4644
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "wrsa.exe opssvc.exe"
        3⤵
          PID:692
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2128
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "avastui.exe avgui.exe bdservicehost.exe nswscsvc.exe sophoshealth.exe"
          3⤵
            PID:4816
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c md 566611
            3⤵
              PID:4972
            • C:\Windows\SysWOW64\findstr.exe
              findstr /V "ableparticipationpoempromote" Camcorders
              3⤵
                PID:1640
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c copy /b Charge + Incorporated + Ieee + Mom 566611\m
                3⤵
                  PID:3664
                • C:\Users\Admin\AppData\Local\Temp\566611\Rarely.pif
                  566611\Rarely.pif 566611\m
                  3⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:1820
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 5
                  3⤵
                  • Delays execution with timeout.exe
                  PID:2020

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  Rarely.pif

                  • Path C:\Users\Admin\AppData\Local\Temp\566611\Rarely.pif
                  • Size 915KB
                  • SHA256 8498900e57a490404e7ec4d8159bee29aed5852ae88bd484141780eaadb727bb
                  • MD5 SHA1 SHA512 SSDEEP

                  m

                  • Path C:\Users\Admin\AppData\Local\Temp\566611\m
                  • Size 454KB
                  • SHA256 2152b79c7f0d71d2b620aaa83e9cf078290c53cab1d6d8ef121f2ce3825bb6bd
                  • MD5 SHA1 SHA512 SSDEEP

                  Actions

                  • Path C:\Users\Admin\AppData\Local\Temp\Actions
                  • Size 30KB
                  • SHA256 d16cfd99c59b59e102b1a8357e96f62687ce53552b3cb82c9531f0c279f1bfe8
                  • MD5 SHA1 SHA512 SSDEEP

                  Addiction

                  • Path C:\Users\Admin\AppData\Local\Temp\Addiction
                  • Size 12KB
                  • SHA256 49afb4b14963281e858c8d87306fc2e23f01d7d58ef6d826b0e424817aa91a13
                  • MD5 SHA1 SHA512 SSDEEP

                  Addresses

                  • Path C:\Users\Admin\AppData\Local\Temp\Addresses
                  • Size 21KB
                  • SHA256 858875f44229e5bcc145ca49e012598f4fbf546a433854981f49e98f63ea98d0
                  • MD5 SHA1 SHA512 SSDEEP

                  Buck

                  • Path C:\Users\Admin\AppData\Local\Temp\Buck
                  • Size 18KB
                  • SHA256 0f54bacab55711d6c4d694cc034bc6ee9cd4c5819e83976d9dc3c3597d717f3e
                  • MD5 SHA1 SHA512 SSDEEP

                  Camcorders

                  • Path C:\Users\Admin\AppData\Local\Temp\Camcorders
                  • Size 119B
                  • SHA256 8c32593223c5912a31579c23931771cfe88f942da6066326082f3080ac30b771
                  • MD5 SHA1 SHA512

                  Ceo

                  • Path C:\Users\Admin\AppData\Local\Temp\Ceo
                  • Size 36KB
                  • SHA256 7b7f5b364812356938cd41c9403821e55c2fa2eaf86fe2c17bce37a052ebc2dd
                  • MD5 SHA1 SHA512 SSDEEP

                  Charge

                  • Path C:\Users\Admin\AppData\Local\Temp\Charge
                  • Size 60KB
                  • SHA256 6a25a9bf04d6a4f0f20686ff1d8e7b636a6415d295206ac53d24bac871b67acd
                  • MD5 SHA1 SHA512 SSDEEP

                  Charter

                  • Path C:\Users\Admin\AppData\Local\Temp\Charter
                  • Size 65KB
                  • SHA256 e0fcbbb03ccfd6f78e27d598629965ba37603aa91f4710a95e716c3fe36681b8
                  • MD5 SHA1 SHA512 SSDEEP

                  Consideration

                  • Path C:\Users\Admin\AppData\Local\Temp\Consideration
                  • Size 47KB
                  • SHA256 1661921e2c45558f0628cc8d9e20bf09d31c614c0cefabc4682d085734a0072f
                  • MD5 SHA1 SHA512 SSDEEP

                  Dee

                  • Path C:\Users\Admin\AppData\Local\Temp\Dee
                  • Size 7KB
                  • SHA256 6778ca8108142fd7fbcf119dac22712dc21767c0dcc3bafd1869b1d6af31082d
                  • MD5 SHA1 SHA512 SSDEEP

                  Epinions

                  • Path C:\Users\Admin\AppData\Local\Temp\Epinions
                  • Size 64KB
                  • SHA256 4d42f132924533a42fc1044677117b5414cf9461e418e48b373711b8433b6968
                  • MD5 SHA1 SHA512 SSDEEP

                  Gzip

                  • Path C:\Users\Admin\AppData\Local\Temp\Gzip
                  • Size 7KB
                  • SHA256 d6b0a34db719e55428b2610f8c63d0cfc8e996b69b0ebb0ab9e0a7fb03162b80
                  • MD5 SHA1 SHA512 SSDEEP

                  Ieee

                  • Path C:\Users\Admin\AppData\Local\Temp\Ieee
                  • Size 46KB
                  • SHA256 99708782033fc77f462f483395055edc5dae4d310982f0349d69fd5999c3bdb5
                  • MD5 SHA1 SHA512 SSDEEP

                  Incorporated

                  • Path C:\Users\Admin\AppData\Local\Temp\Incorporated
                  • Size 179KB
                  • SHA256 430072fb0a606cafd3dcccc6e73b214a9e3a69fd96ed2a23550dc097d065dbc4
                  • MD5 SHA1 SHA512 SSDEEP

                  Kings

                  • Path C:\Users\Admin\AppData\Local\Temp\Kings
                  • Size 6KB
                  • SHA256 5f5a8aa4b7633ca86283fb92b3b5683e672e66af6a78222177068792a73a4583
                  • MD5 SHA1 SHA512 SSDEEP

                  Mom

                  • Path C:\Users\Admin\AppData\Local\Temp\Mom
                  • Size 169KB
                  • SHA256 4ffce6c452cce90f58b30e4154e900e94e3e905d1d0c0ba75d5954077483f05d
                  • MD5 SHA1 SHA512 SSDEEP

                  Narrow

                  • Path C:\Users\Admin\AppData\Local\Temp\Narrow
                  • Size 50KB
                  • SHA256 34625c7938fc3d545ad7afc3e294d67375c0a82b384695c4fa38fd6fb2eb843e
                  • MD5 SHA1 SHA512 SSDEEP

                  Plug

                  • Path C:\Users\Admin\AppData\Local\Temp\Plug
                  • Size 29KB
                  • SHA256 beee42dfbb1c97a59dd9a87ceae0a0c93172c5f97c6386364d3edd4f5285d107
                  • MD5 SHA1 SHA512 SSDEEP

                  Poll

                  • Path C:\Users\Admin\AppData\Local\Temp\Poll
                  • Size 56KB
                  • SHA256 1498c67602fcd7daed731341cfc31b480d72f939dd6d15d2c198e5aa80bf70c9
                  • MD5 SHA1 SHA512 SSDEEP

                  Probe

                  • Path C:\Users\Admin\AppData\Local\Temp\Probe
                  • Size 32KB
                  • SHA256 8f506918b5bea96a383095871916dc53bb58170473aff9e22d8eced59e42551c
                  • MD5 SHA1 SHA512 SSDEEP

                  Puppy

                  • Path C:\Users\Admin\AppData\Local\Temp\Puppy
                  • Size 61KB
                  • SHA256 db48025b4229f88d3f286915270e748a734c9e42e01599db7056af948595e803
                  • MD5 SHA1 SHA512 SSDEEP

                  Resist

                  • Path C:\Users\Admin\AppData\Local\Temp\Resist
                  • Size 25KB
                  • SHA256 8f02e69de7c956811f7e608e29bd5185e4007925d280a042e9f1623effeb6cce
                  • MD5 SHA1 SHA512 SSDEEP

                  Sacrifice

                  • Path C:\Users\Admin\AppData\Local\Temp\Sacrifice
                  • Size 30KB
                  • SHA256 7f568d0324833836de0920a8ecf6b2a6c4cf0218a76832e5a0968b47cbcff33d
                  • MD5 SHA1 SHA512 SSDEEP

                  Stand

                  • Path C:\Users\Admin\AppData\Local\Temp\Stand
                  • Size 56KB
                  • SHA256 214a4fffa6ba63486ea7cd035beee6ee2c6b1f4772126da1a268b0b9984c3f57
                  • MD5 SHA1 SHA512 SSDEEP

                  Su

                  • Path C:\Users\Admin\AppData\Local\Temp\Su
                  • Size 24KB
                  • SHA256 d66e35f1095cb89881f1352be444acb4a82b248082e90214f74b46f935115ae2
                  • MD5 SHA1 SHA512 SSDEEP

                  Tour

                  • Path C:\Users\Admin\AppData\Local\Temp\Tour
                  • Size 32KB
                  • SHA256 3380340bbfcccc18febf1de30752919d942162ae1703818768f3b6e0dc062145
                  • MD5 SHA1 SHA512 SSDEEP

                  Travesti

                  • Path C:\Users\Admin\AppData\Local\Temp\Travesti
                  • Size 25KB
                  • SHA256 c556cee662f3889047184de8c81b7c805134ddce2a7b1de37237e4cfed758e2e
                  • MD5 SHA1 SHA512 SSDEEP

                  Ultra

                  • Path C:\Users\Admin\AppData\Local\Temp\Ultra
                  • Size 66KB
                  • SHA256 cefec037f82f666ece90f551a859a16f5a2bba591a12be3b0eaaeac3424ddf99
                  • MD5 SHA1 SHA512 SSDEEP

                  Unions

                  • Path C:\Users\Admin\AppData\Local\Temp\Unions
                  • Size 65KB
                  • SHA256 72e00c255346a4b6ab9fa15378e29ba23a5873fc4b09f96cbee7f04911476635
                  • MD5 SHA1 SHA512 SSDEEP

                  With

                  • Path C:\Users\Admin\AppData\Local\Temp\With
                  • Size 45KB
                  • SHA256 44f1433bde8a5ea5154f8df8b3f63705e502ad42baa9596824035e5477a0c41a
                  • MD5 SHA1 SHA512 SSDEEP

                  Yn

                  • Path C:\Users\Admin\AppData\Local\Temp\Yn
                  • Size 30KB
                  • SHA256 98c57f356c79721f946e5d63a86e4a0f9e6f6b9a9ac18d62883fcd0c63452911
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/1820-612-0x0000000004DD0000-0x0000000004E2A000-memory.dmp

                  memory/1820-613-0x0000000004DD0000-0x0000000004E2A000-memory.dmp

                  memory/1820-614-0x0000000004DD0000-0x0000000004E2A000-memory.dmp

                  memory/1820-615-0x0000000004DD0000-0x0000000004E2A000-memory.dmp

                  memory/1820-616-0x0000000004DD0000-0x0000000004E2A000-memory.dmp