Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 09:04

General

  • Target

    769696b4d235e0184c2c8099e39b2394.exe

  • Size

    207KB

  • MD5

    769696b4d235e0184c2c8099e39b2394

  • SHA1

    c3ecf1b75dfa411d4f2cf65998f52b69de09737d

  • SHA256

    e15d6cb16c10e5b195706f648749001c448ddb7d585576023c66e0aa5be319c0

  • SHA512

    99258efcd7353a8c62d197aefc027a800c61061ff9a580356679d813a6f9fcc05a9f31087e95af90eebc8728a96c6c77f13225cf1a004a1bd9fee4538fb72325

  • SSDEEP

    3072:khF/AxZMqR1akvFDXDKAxqrAwFLImCMgVdJiQE1zAUGSPfl5LH0oIWgp:oI461asjeSHwrsdJi1MQtmJWg

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

10.8

Botnet

c22736e13a03d8e58bc955d6d85b7416

C2

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Extracted

Family

lumma

C2

https://cagedwifedsozm.shop/api

https://potentioallykeos.shop/api

https://interactiedovspm.shop/api

https://charecteristicdxp.shop/api

https://deicedosmzj.shop/api

https://southedhiscuso.shop/api

https://consciousourwi.shop/api

https://tenntysjuxmz.shop/api

Signatures

  • Detect Vidar Stealer 17 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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 4 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 2 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 5 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 14 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 6 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\769696b4d235e0184c2c8099e39b2394.exe
    "C:\Users\Admin\AppData\Local\Temp\769696b4d235e0184c2c8099e39b2394.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5064
    • 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:3044
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\DBKKFCBAKK.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3120
        • C:\ProgramData\DBKKFCBAKK.exe
          "C:\ProgramData\DBKKFCBAKK.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2528
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\ECBGHCGCBK.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4548
        • C:\ProgramData\ECBGHCGCBK.exe
          "C:\ProgramData\ECBGHCGCBK.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4320
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • 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:4960
            • C:\ProgramData\DAAECAFHDB.exe
              "C:\ProgramData\DAAECAFHDB.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:5052
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                7⤵
                  PID:2728
                • 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:4064
              • C:\ProgramData\HCAEHDHDAK.exe
                "C:\ProgramData\HCAEHDHDAK.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1248
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  7⤵
                    PID:1956
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    7⤵
                      PID:668
                    • 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:3004
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BFIJEHCBAKFC" & exit
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2984
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 10
                      7⤵
                      • System Location Discovery: System Language Discovery
                      • Delays execution with timeout.exe
                      PID:2748

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\BFIJEHCBAKFC\AAFBAK

          Filesize

          11KB

          MD5

          3c94f5ea5f35f21fd1c60e350e39cf84

          SHA1

          5790db36b981f46fad3552fbe8adeeab5b890841

          SHA256

          4d41bcdf30c97f8866cff3abe2eab6f6518922967f1725dc4fb603d56bf6b5c5

          SHA512

          927e67f5f94cb5576b853e91dfac86448eeeec6fbd07816861f697662ced8555b404beef732fa64263387d1e82106974c99fcec1f902b8064b829583d391b4d6

        • C:\ProgramData\BFIJEHCBAKFC\FIJECA

          Filesize

          114KB

          MD5

          f0b6304b7b1d85d077205e5df561164a

          SHA1

          186d8f4596689a9a614cf47fc85f90f0b8704ffe

          SHA256

          c3aa800492bc1e5ff4717db8c82d1f3772b24579cde51058bdd73a9cc9822dc7

          SHA512

          d672ea182ddf56a331d3209dcf7b9af8c3ffad0b787b224fe9e3e4c80205e474a66914358fa253c170c85a8366da2f2c3aa9d42e1f6f3291a9e6bdd9ba51fb0a

        • C:\ProgramData\BFIJEHCBAKFC\HJECAA

          Filesize

          116KB

          MD5

          f70aa3fa04f0536280f872ad17973c3d

          SHA1

          50a7b889329a92de1b272d0ecf5fce87395d3123

          SHA256

          8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

          SHA512

          30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

        • C:\ProgramData\DBKKFCBAKK.exe

          Filesize

          277KB

          MD5

          9a9953dc06ef76dfb7ef3a308340f77b

          SHA1

          7e7764a5ebcac8c69479603faf1f72d66044159d

          SHA256

          73c517aec4a202f017444ac5846413a6985f98358a3c1f4926f013bc4250b0af

          SHA512

          4cb1867b3f364160b0f5d60b2104f5df381fc1d641701da8b3b65cd67e7e5cbc27ad85a95ea8ec93341a8d18767a5b9423213e82a4c0167efc85f045662c2be5

        • C:\ProgramData\ECBGHCGCBK.exe

          Filesize

          191KB

          MD5

          3d08f64f3e3d9f37161e6496137084dc

          SHA1

          ef9ef5ff14c2907142ff3f5ebefa35c881d82442

          SHA256

          46d76e5ef444f4a21be37e7f86457c8d65d5855a1d511a4c86ef91bb3224e57b

          SHA512

          0af78be5618b96f4c08eda15aef22711aa211d17ed0c8172e97e109bdfa0ece47e1cad9a531a1a0a315591f5be04e5c88a080f1cce8f5fefe9b51df5d2b6310a

        • C:\ProgramData\JDHJKKFBAEGD\AAAAAA

          Filesize

          160KB

          MD5

          f310cf1ff562ae14449e0167a3e1fe46

          SHA1

          85c58afa9049467031c6c2b17f5c12ca73bb2788

          SHA256

          e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

          SHA512

          1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

        • C:\ProgramData\JDHJKKFBAEGD\AAAAAA

          Filesize

          40KB

          MD5

          a182561a527f929489bf4b8f74f65cd7

          SHA1

          8cd6866594759711ea1836e86a5b7ca64ee8911f

          SHA256

          42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

          SHA512

          9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

        • C:\ProgramData\JDHJKKFBAEGD\CBKJJE

          Filesize

          20KB

          MD5

          a603e09d617fea7517059b4924b1df93

          SHA1

          31d66e1496e0229c6a312f8be05da3f813b3fa9e

          SHA256

          ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

          SHA512

          eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

        • C:\ProgramData\freebl3.dll

          Filesize

          669KB

          MD5

          550686c0ee48c386dfcb40199bd076ac

          SHA1

          ee5134da4d3efcb466081fb6197be5e12a5b22ab

          SHA256

          edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa

          SHA512

          0b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e

        • C:\ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • C:\ProgramData\msvcp140.dll

          Filesize

          439KB

          MD5

          5ff1fca37c466d6723ec67be93b51442

          SHA1

          34cc4e158092083b13d67d6d2bc9e57b798a303b

          SHA256

          5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

          SHA512

          4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

        • C:\ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • C:\ProgramData\softokn3.dll

          Filesize

          251KB

          MD5

          4e52d739c324db8225bd9ab2695f262f

          SHA1

          71c3da43dc5a0d2a1941e874a6d015a071783889

          SHA256

          74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a

          SHA512

          2d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6

        • C:\ProgramData\vcruntime140.dll

          Filesize

          78KB

          MD5

          a37ee36b536409056a86f50e67777dd7

          SHA1

          1cafa159292aa736fc595fc04e16325b27cd6750

          SHA256

          8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

          SHA512

          3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

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

          Filesize

          471B

          MD5

          9960e5c8527b48378b022a2ffebb94ab

          SHA1

          dcbb9431e542263cae6aa73d9c15685a6c642b32

          SHA256

          27c8a37a9e191790eecbf0ed10a342d371d62d38d69c6fc9eed34e077f89ebfc

          SHA512

          97c751e86f271ac38ab03ab1b9eb3ae5ffe8bbdf71ca3e2097a12bbcf930a8c4f81d6dcbe6374797303aecc1bb53b3e6d19f8b3584526f99f3d1c6dff77df2c6

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

          Filesize

          400B

          MD5

          dbab27fd08c14b3be1f2b1299f6c69fe

          SHA1

          6c4cc9e3985dfec230a49027595418834dc3bc75

          SHA256

          40e58d649c7c647f44070dfbc29668c07bc879b35687004e400bbd7b251e297a

          SHA512

          793c5205b06cd1a2ef18b34b42cf9763ce02276f84ec466b012bd0b39c04a3b5a0c39d2166c2179bf421bb3909b40e140127ef0b11ce00b6986b7d5b58ea2161

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

          Filesize

          42B

          MD5

          84cfdb4b995b1dbf543b26b86c863adc

          SHA1

          d2f47764908bf30036cf8248b9ff5541e2711fa2

          SHA256

          d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

          SHA512

          485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\THHXO5RX\76561199761128941[1].htm

          Filesize

          33KB

          MD5

          59ce43c1791d520ccf83e0bba0fc290c

          SHA1

          447871e0319bbf23bdd95b6b1756268b2ac8dd9d

          SHA256

          a39cd6fa0772a1fb3f7dc2fc1e419cd3651570d561d462e9588bf8b8d0d5295b

          SHA512

          87e3f4ce38a9ffa59cb0b63daff6bf0b1516abfa88607a33db410a70b79b18decf5e59ef3fc711e426d544514478048900636a5582524e80102ef33232f1f0d3

        • memory/2528-92-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2528-94-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2528-90-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2528-113-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/3004-252-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/3004-236-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/3004-237-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/3004-238-0x0000000020140000-0x000000002039F000-memory.dmp

          Filesize

          2.4MB

        • memory/3004-253-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-104-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/3044-8-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-6-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/3044-3-0x0000000000400000-0x0000000000643000-memory.dmp

          Filesize

          2.3MB

        • memory/4320-103-0x00000000004B0000-0x00000000004E4000-memory.dmp

          Filesize

          208KB

        • memory/4960-122-0x00000000224E0000-0x000000002273F000-memory.dmp

          Filesize

          2.4MB

        • memory/4960-120-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-153-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-137-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-184-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-185-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-136-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-192-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-193-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-106-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-121-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-154-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-107-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/4960-109-0x0000000000400000-0x0000000000641000-memory.dmp

          Filesize

          2.3MB

        • memory/5024-96-0x0000000072DD0000-0x0000000073580000-memory.dmp

          Filesize

          7.7MB

        • memory/5024-93-0x0000000072DD0000-0x0000000073580000-memory.dmp

          Filesize

          7.7MB

        • memory/5024-88-0x0000000072DDE000-0x0000000072DDF000-memory.dmp

          Filesize

          4KB

        • memory/5024-87-0x0000000000AD0000-0x0000000000B1A000-memory.dmp

          Filesize

          296KB

        • memory/5064-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

          Filesize

          4KB

        • memory/5064-7-0x00000000751E0000-0x0000000075990000-memory.dmp

          Filesize

          7.7MB

        • memory/5064-1-0x00000000009B0000-0x00000000009EA000-memory.dmp

          Filesize

          232KB