Analysis

  • max time kernel
    78s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 01:38

General

  • Target

    a73c4d134f180b9f4047f9be94f3f36b3a2e34469f8c90f70d964778efdc6adc.exe

  • Size

    404KB

  • MD5

    3c9241d0ce97c159d6cfaa49f602fafd

  • SHA1

    3a0320d338544496cb2ed6952d52e740c7f25d03

  • SHA256

    a73c4d134f180b9f4047f9be94f3f36b3a2e34469f8c90f70d964778efdc6adc

  • SHA512

    e7a86d0e92be6c741d53e505d712034f24cc9951fbb0015e6c46b97399eaa358c216de63930728fc1ca7edaaf3ceca3ed1dcab0e1c7bf0c384ba78d22615e9d4

  • SSDEEP

    12288:Dpn81p29d9YRhTe4kashZFxfNvJKXZYDJEO:1Sp29d9YRhi4kasRxfNxfJt

Malware Config

Extracted

Family

vidar

Version

11

Botnet

514d77849a01ff8ab7dd99d5f0a2e19e

C2

https://t.me/jamsemlg

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

Extracted

Family

vidar

Version

11

Botnet

8b4d47586874b08947203f03e4db3962

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

lumma

C2

https://underlinemdsj.site/api

https://offeviablwke.site/api

Signatures

  • Detect Vidar Stealer 22 IoCs
  • Lumma Stealer, LummaC

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

  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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.

  • Suspicious use of SetThreadContext 6 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 16 IoCs

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

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a73c4d134f180b9f4047f9be94f3f36b3a2e34469f8c90f70d964778efdc6adc.exe
    "C:\Users\Admin\AppData\Local\Temp\a73c4d134f180b9f4047f9be94f3f36b3a2e34469f8c90f70d964778efdc6adc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4180
      • C:\ProgramData\JJJJKEHCAK.exe
        "C:\ProgramData\JJJJKEHCAK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4600
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4956
      • C:\ProgramData\KKECFIEBGC.exe
        "C:\ProgramData\KKECFIEBGC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1244
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:3616
      • C:\ProgramData\HDGDGHCAAK.exe
        "C:\ProgramData\HDGDGHCAAK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1436
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • Checks computer location settings
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4260
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCAAAFCAKKK.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1076
              • C:\Users\AdminCAAAFCAKKK.exe
                "C:\Users\AdminCAAAFCAKKK.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                PID:2968
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Checks processor information in registry
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4340
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminAFBKKFBAEG.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2272
              • C:\Users\AdminAFBKKFBAEG.exe
                "C:\Users\AdminAFBKKFBAEG.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                PID:3036
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  7⤵
                    PID:2560
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    7⤵
                    • System Location Discovery: System Language Discovery
                    PID:700
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DBFHDBGIEBFI" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4668
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2424

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\CBAEHCAE

        Filesize

        116KB

        MD5

        f70aa3fa04f0536280f872ad17973c3d

        SHA1

        50a7b889329a92de1b272d0ecf5fce87395d3123

        SHA256

        8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

        SHA512

        30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

      • C:\ProgramData\DBFHDBGIEBFI\BGHJEB

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\DBFHDBGIEBFI\BGHJEB

        Filesize

        40KB

        MD5

        a182561a527f929489bf4b8f74f65cd7

        SHA1

        8cd6866594759711ea1836e86a5b7ca64ee8911f

        SHA256

        42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

        SHA512

        9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

      • C:\ProgramData\DBFHDBGIEBFI\BKFBAE

        Filesize

        20KB

        MD5

        a603e09d617fea7517059b4924b1df93

        SHA1

        31d66e1496e0229c6a312f8be05da3f813b3fa9e

        SHA256

        ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

        SHA512

        eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

      • C:\ProgramData\DHIJDHIDBGHJKECBFIID

        Filesize

        11KB

        MD5

        0ce237b20b39d0668785fa1b59822bd9

        SHA1

        f1e52986aedd59079a0be7b8ebbf339cc2a2e32e

        SHA256

        f456e7300a6d6b6778c70eb8223c0baaa147db90bf9b505021c0e2ab7f3c0f82

        SHA512

        149d8dddacc541fcbc169be852f70473c1e485e70277aa865c07f373feeb3d46d809bb5528b09cbc6e66171cb59a58e67824c9edea0352b0d2092ab34cea9519

      • C:\ProgramData\HDGDGHCAAK.exe

        Filesize

        327KB

        MD5

        dfd49d1326704cfeee9852999782e4b6

        SHA1

        4bd1c441c55ec55a1cac7ca2bfe786a739cb01a4

        SHA256

        2280a0c18708cb5fd0e093e2f42350e3afb8f3ca31fd3279fc797a6c535532ef

        SHA512

        fe9e9537f76bf36b6e6abd340ef135d5d017bb2b067239f6871f5a8952d2a5b823dd89838b8d31a928b40a1a70bd83010e5f3f49905672fbcd74b763d65504bf

      • C:\ProgramData\JJJJKEHCAK.exe

        Filesize

        372KB

        MD5

        8a73502b83ceb6b31b9fefb595876844

        SHA1

        41094748fdc11cd79057c14c39210d6833a25323

        SHA256

        af60c2dd60ece7f8e83870b22b1c5c0e095c9c3669171c16eaaff406cda6eeb2

        SHA512

        e5bf9b9b78c8306c13df04db83bbe4c76f0914fffde4bd584a5b96da5150102167df61b1315382a5af68038c2d3cdbd2e2414082659757c402979d3c3772b82c

      • C:\ProgramData\KFIJEGCB

        Filesize

        114KB

        MD5

        2e5b34ca73bac7d39579ae5af5c50268

        SHA1

        910b0865cce750b73e308d0c9314edcdcf4162bb

        SHA256

        79f7541d73ed1744fbc041fdeaf95cae2e2a43cf9d73f6d9476b67a5c2ea9695

        SHA512

        95dcb404558da6bf1b58640440f3e26b13bf53b8fe05932e85b85dea7e629a544f2bfef094fdd23fd2ad0692297aad338e23c9e6e516e5c852d6d7c1c97249fc

      • C:\ProgramData\KKECFIEBGC.exe

        Filesize

        404KB

        MD5

        4f828f95c11479c61692052d9254022a

        SHA1

        68f1fbe839f2d41f434bdde176ccc3e6f38ec503

        SHA256

        00c39991e9994d94f4fc657f7072c7e4137baf5aa27961cf5451daf6b3cda75a

        SHA512

        91cc6dc01a62337c542c31337057653c5e41ae7b88621bc1041786a260a5b78fb834869ce8aeca05ab8263c45a41fa7833ee262440d157206b1ddae675d814f5

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\msvcp140.dll

        Filesize

        144KB

        MD5

        dd92bd8410219b48226f76374faebe35

        SHA1

        af7e8e33fcddf8c4bbae84e5df4d0b27f81b5809

        SHA256

        5411c39c7017c2f43ad0c52edd07511ce12f5c529c8e5250e78fa7fa975cab60

        SHA512

        5ef98cf3ec79ad1431b94e1620c470953adf68e266400cc149cfc2596e3cb6f5930725f4eeaa9d73dfc8e48523036734223de619bc6f333cf516c6af68020456

      • C:\ProgramData\nss3.dll

        Filesize

        13KB

        MD5

        6d5d7856c1c97902ff388f8e547df91f

        SHA1

        943cbdba4f23509bd0c7fff9fc54cf6225bc4746

        SHA256

        1ddcb74ca3df1f0b8387c64427e16792f5c8afa9f9b1985693d7260bbe815bbf

        SHA512

        312d28aa9036a7826b9e8ad5d66c552d6013b7eb5a3bc4b1d5eb694c492eb310842c317752320b6b2d6ae59e017b2897196543c8677eeb8feefa3614ee85ca0e

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

        Filesize

        471B

        MD5

        53531d3b1632c42fbb5282b61f41eb70

        SHA1

        3e57dd0a3966162c6bf62d02cef4abcff03c1159

        SHA256

        b949b4e92e2803878a2b71476a58d2cbfd53c95ab7bb1583ce4e77398f135105

        SHA512

        60d25185037c526ac8a8c928891c2ea5fe3a5d8d24fd536b36bdaea07953350aa25c45038c5b0db4166912da3ea502a959dd4de7dd6f602d2d6cdd1d349c73b0

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

        Filesize

        400B

        MD5

        7eb34b651ff4ab9f5d12774a324bd4db

        SHA1

        253a34a73bec0c165752e11cf4dc6e6ee5bd30b3

        SHA256

        ced5001d7f95b9c3527c8277724c9450981964bb5cd78693abcf8a501b7b6abb

        SHA512

        9b498f4b98e721db88a687b6f0b0aab1f0e97fb573978c72caaab85adca9e98bcfa3938d3c9e807705cf583f07eb57e05711a88dc8e08efbca546c2cc8b28052

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AdminCAAAFCAKKK.exe.log

        Filesize

        425B

        MD5

        4eaca4566b22b01cd3bc115b9b0b2196

        SHA1

        e743e0792c19f71740416e7b3c061d9f1336bf94

        SHA256

        34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

        SHA512

        bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H9MX5QVK\76561199780418869[1].htm

        Filesize

        33KB

        MD5

        b5279156673e5015e79484281cd62011

        SHA1

        c885b769f318cb3af9bde7efc15adb1d7c8a182d

        SHA256

        cac346622874901d267f0b83bc09c7c3dac75c1a42303f9e51b7256b6efbe616

        SHA512

        8c2ddb144d2c2e3f2e311dcbb155de0d4f1933e5f0a384fcaa92e8a03e8ca9c7d13480ec7f964ca0067262d30df2d2b8f8861b60c7ddcac3bfdb5c9fc390035d

      • memory/1244-127-0x0000000000E00000-0x0000000000E68000-memory.dmp

        Filesize

        416KB

      • memory/2832-148-0x0000000000AD0000-0x0000000000B26000-memory.dmp

        Filesize

        344KB

      • memory/3572-97-0x0000000075360000-0x0000000075B10000-memory.dmp

        Filesize

        7.7MB

      • memory/3572-1-0x0000000000250000-0x00000000002BA000-memory.dmp

        Filesize

        424KB

      • memory/3572-11-0x0000000075360000-0x0000000075B10000-memory.dmp

        Filesize

        7.7MB

      • memory/3572-0-0x000000007536E000-0x000000007536F000-memory.dmp

        Filesize

        4KB

      • memory/3616-267-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3616-253-0x0000000020160000-0x00000000203BF000-memory.dmp

        Filesize

        2.4MB

      • memory/3616-245-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3616-239-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3616-152-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3616-150-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3616-154-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3616-277-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-57-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-87-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-88-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-95-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-96-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-39-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-25-0x0000000022540000-0x000000002279F000-memory.dmp

        Filesize

        2.4MB

      • memory/4180-22-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-21-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-40-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4180-56-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4260-165-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4260-160-0x0000000000400000-0x0000000000661000-memory.dmp

        Filesize

        2.4MB

      • memory/4260-158-0x0000000000400000-0x0000000000661000-memory.dmp

        Filesize

        2.4MB

      • memory/4340-288-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4340-289-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4600-113-0x0000000072C80000-0x0000000073430000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-112-0x0000000000B40000-0x0000000000BA0000-memory.dmp

        Filesize

        384KB

      • memory/4600-111-0x0000000072C8E000-0x0000000072C8F000-memory.dmp

        Filesize

        4KB

      • memory/4600-134-0x0000000072C80000-0x0000000073430000-memory.dmp

        Filesize

        7.7MB

      • memory/4956-129-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4956-131-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4956-133-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB