Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 15:45

General

  • Target

    RobloxMultiTools.exe

  • Size

    12.5MB

  • MD5

    45d576abe2e3f352d223acb0ad9f6d4a

  • SHA1

    976f70c23234bf137986fb19d70d3681cb6e0813

  • SHA256

    eb345cb0554a5bb84cb86c8cf97a6eb924f71bf6c8d703933af918a42068972d

  • SHA512

    961363eb7e1acdd54e1f62dbffa45eef231281879d609e013d9527d8283b2d98f0c1a792dedf18ccfb1bcdd4ed52371e16ab38b8e7de26a942efda8be8bad638

  • SSDEEP

    196608:0qw6MYxS0KY8dM5n7FuaDUg8pqIGjZYgkCnWInnjKFnAtyVAEyUX7HJW5cYx8:1MIMdM5n78KjXkCnWIeAXEyUrpW5n6

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 16 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxMultiTools.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxMultiTools.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\Tool.exe
      "C:\Users\Admin\AppData\Local\Temp\Tool.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Users\Admin\AppData\Local\Temp\Tool.exe
        "C:\Users\Admin\AppData\Local\Temp\Tool.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:1976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 516
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2116
    • C:\Users\Admin\AppData\Local\Temp\RobloxTools.exe
      "C:\Users\Admin\AppData\Local\Temp\RobloxTools.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2268
      • C:\Users\Admin\AppData\Local\Temp\RobloxTools.exe
        "C:\Users\Admin\AppData\Local\Temp\RobloxTools.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabB702.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarB724.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\Tool.exe

    Filesize

    405KB

    MD5

    8b7bc5be71e94c807e5f8ff989f41e49

    SHA1

    ca3c329cc41c0c7fda16cae7d2db5985d6052a7f

    SHA256

    dabbe01f2764a6021a7ebff7ca4b7982cf57831dbda5f8320d32002ae1a13f96

    SHA512

    b920b40670f6a14c778238cf6ca8f5abcfe5c05186c80ed23eaa51b5c722e438a3a978ea984c7a28e536aa85b3140d93255e8607d86f4041b83afce72e97f604

  • C:\Users\Admin\AppData\Local\Temp\_MEI22682\api-ms-win-core-file-l1-2-0.dll

    Filesize

    21KB

    MD5

    1c58526d681efe507deb8f1935c75487

    SHA1

    0e6d328faf3563f2aae029bc5f2272fb7a742672

    SHA256

    ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

    SHA512

    8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

  • C:\Users\Admin\AppData\Local\Temp\_MEI22682\api-ms-win-core-localization-l1-2-0.dll

    Filesize

    21KB

    MD5

    724223109e49cb01d61d63a8be926b8f

    SHA1

    072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

    SHA256

    4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

    SHA512

    19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

  • C:\Users\Admin\AppData\Local\Temp\_MEI22682\api-ms-win-core-timezone-l1-1-0.dll

    Filesize

    21KB

    MD5

    d12403ee11359259ba2b0706e5e5111c

    SHA1

    03cc7827a30fd1dee38665c0cc993b4b533ac138

    SHA256

    f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

    SHA512

    9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

  • C:\Users\Admin\AppData\Local\Temp\_MEI22682\python312.dll

    Filesize

    6.6MB

    MD5

    f9a43765b486c561bf0895eb9390ed1f

    SHA1

    b398fbd02bd7fdb32dcb88f11758a0a9826b75a4

    SHA256

    3b56fa10d3797c231468cee42caeaaaff40dbede7bc0d142ec4878493f48e07d

    SHA512

    f2709ba81fe1e01789fc0aae65d31f5adcfd64dd72d161b4cddfa35f91eb2c8d66954925c825b22ce9034fd894ee18500b1ff0a32e4d585491e09d2c540a305c

  • \Users\Admin\AppData\Local\Temp\RobloxTools.exe

    Filesize

    12.1MB

    MD5

    430a542ca2779576ea8a775d4ea63ed0

    SHA1

    b52b69e904d607c9c54c6ada3bbbc2e6d3d486e5

    SHA256

    83f0ec76f6922ef9985ce40e84ceb1e8e663518d71d986484cc5eb64ccaace1c

    SHA512

    69270c5cad04b2a8a522c19cc86783a1cef6c7068f19d18a99d0d1fc0b5d60cfe061324b1b0debf98d96f63ec5604ff852075482ae6865f5133c56525620c6af

  • \Users\Admin\AppData\Local\Temp\_MEI22682\api-ms-win-core-file-l2-1-0.dll

    Filesize

    18KB

    MD5

    bfffa7117fd9b1622c66d949bac3f1d7

    SHA1

    402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

    SHA256

    1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

    SHA512

    b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

  • \Users\Admin\AppData\Local\Temp\_MEI22682\api-ms-win-core-processthreads-l1-1-1.dll

    Filesize

    21KB

    MD5

    517eb9e2cb671ae49f99173d7f7ce43f

    SHA1

    4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

    SHA256

    57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

    SHA512

    492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

  • \Users\Admin\AppData\Local\Temp\_MEI22682\ucrtbase.dll

    Filesize

    992KB

    MD5

    0e0bac3d1dcc1833eae4e3e4cf83c4ef

    SHA1

    4189f4459c54e69c6d3155a82524bda7549a75a6

    SHA256

    8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

    SHA512

    a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

  • memory/1976-647-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1976-644-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1976-652-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1976-650-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1976-648-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1976-667-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1976-646-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1976-666-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1976-642-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2324-199-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-640-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-22-0x0000000001310000-0x000000000137C000-memory.dmp

    Filesize

    432KB

  • memory/2324-19-0x000000007419E000-0x000000007419F000-memory.dmp

    Filesize

    4KB

  • memory/2324-744-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB