Analysis

  • max time kernel
    79s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-09-2024 07:23

General

  • Target

    6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe

  • Size

    283KB

  • MD5

    d264213f54193475ffd0301f7d92639f

  • SHA1

    8e494a7d4b3d54e03a3b27c8dfde51295bb56737

  • SHA256

    6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d

  • SHA512

    1a699be3bb71083c35d5c0bbbcb862fdacb71f67fc8c4e34cfa68c52e7ed1b4360c1975ba290d14d95dee8233558e6dfc1b10e628d5da97a2faffced2bb14f92

  • SSDEEP

    6144:wsBdXzlQZTJm2CMA8E0pNdx651jzTqR0noaLKRUEO:wsBtzloTJm2CMA8qLPm0noaGRUEO

Malware Config

Extracted

Family

vidar

C2

http://147.45.126.10:80

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

  • Detect Vidar Stealer 18 IoCs
  • 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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 2 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 4 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 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe
    "C:\Users\Admin\AppData\Local\Temp\6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\ProgramData\JDHIEBFHCA.exe
        "C:\ProgramData\JDHIEBFHCA.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1148
        • 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:4288
      • C:\ProgramData\BKECBAKFBG.exe
        "C:\ProgramData\BKECBAKFBG.exe"
        3⤵
          PID:3444
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:2960
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIIEBAAFBFBA" & exit
            3⤵
              PID:3604
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • Delays execution with timeout.exe
                PID:616

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\BKECBAKFBG.exe

          Filesize

          321KB

          MD5

          94c5abd0eccd77846b4e0f641906bb19

          SHA1

          3fb0119c89952f61aee14abbe693a293ee916439

          SHA256

          863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b

          SHA512

          4bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9

        • C:\ProgramData\JDHIEBFHCA.exe

          Filesize

          283KB

          MD5

          e1001c8649ac77faeb446d8ff91f50d2

          SHA1

          c2532c7b108ac61ca439cfd0a7992b26c89dc34b

          SHA256

          05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

          SHA512

          a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

        • C:\ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • C:\ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

          Filesize

          2KB

          MD5

          8d47da4227341e616eea48814aa48810

          SHA1

          9f3a264cfd0c2794b4a19973d3d8508effcdeba7

          SHA256

          1d6880061408e43cd35cbe82809e209ccaed087817e4379b3f921a7a6fe51abd

          SHA512

          e2224571f05f6f3982c8947182f79c42b2f2452abb7d8324b2f47f66b68e9dced73981fe89c7b83010c32d83c525986f06f9dfdf15bb93dc857bbbcc17b52a5d

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

          Filesize

          2KB

          MD5

          05950467d6bb53f31485957bd508f7a8

          SHA1

          635d37ed86923cf5c87d7eb545c935bbbefa2333

          SHA256

          474f4c5452da4229971602a70de7b7797523544d7d131906d91d2589c3e27d8d

          SHA512

          d47f91ffd51999e0b98090e7115dd7905758b2537fdb6a70793859fa62fb1997735069e4e5fdd24af8842e9fc94785a4137cc04c43f8673e4154fb56ba0af07d

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

          Filesize

          1KB

          MD5

          b7ceb19f15d5f0cffc3792522413917d

          SHA1

          551a26f3ee21d09c54e06b2a40c143065991b056

          SHA256

          5211ff21f2723b9778213b7f119c99c948b1885487cc7ee5a328b6e3092bfbf5

          SHA512

          7f35e902d25c642d58796378acf916687a0de14d6e435ef9e79f083809acef076488ad0a3d8d5eab4a8616455d716646f8a2b66fb4fd32ad7ae3233d8d7a219d

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

          Filesize

          458B

          MD5

          f7752c790bb9c9e947bfa7baa184d940

          SHA1

          d3fee2ef1f772b9e8c03569bd77012e4e01675d5

          SHA256

          6be6fcf89a0610480a922791443bc810eb2223451bc8c49d1d2d04db1664a3a8

          SHA512

          1f1db62c4fd7f529a3aee3f771bd8b8e8877b9d22655731f2e5597f59da10c0069253f9cbb9a331ba3f2f7ed0072477bc500c26b1c49bc54c0303812e7cf38d1

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

          Filesize

          450B

          MD5

          079d7017daebb85f1a3a82240398fd97

          SHA1

          de73b40f11c4f902f3467c1b0e2bbd6240be545a

          SHA256

          7dc27eef0ee246c79700e05eacfef57274083e4cf87ab60b1fe42e592e44ded9

          SHA512

          33c019d639296a99e68cbb02d32368329728b2f7d62be6857e8f469e7f096ba719016dcde2446b313e6b75a4057345cba5ba90131aafec367bb0648b37c1e056

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

          Filesize

          458B

          MD5

          5c13f53a5701fdaacfefc724a7efce8b

          SHA1

          b971db1ed9b1ce1ff74052c59eac4a1cb85884fe

          SHA256

          f7166f0aabfb7ff88215c18bd9adc09128a01e3734285a776c5564785f3f1a47

          SHA512

          bb3a151ef474fbb5f85a6cbca8180a8ca383520be1150fe7225de06815b0c79e4118272dc321a7c6ce0917c6a51a1d048cd7070a34a1ea557322464cde004f47

        • memory/1148-126-0x00000000722C0000-0x0000000072A71000-memory.dmp

          Filesize

          7.7MB

        • memory/1148-124-0x00000000722C0000-0x0000000072A71000-memory.dmp

          Filesize

          7.7MB

        • memory/1148-114-0x00000000722CE000-0x00000000722CF000-memory.dmp

          Filesize

          4KB

        • memory/1148-115-0x0000000000F00000-0x0000000000F4A000-memory.dmp

          Filesize

          296KB

        • memory/1640-43-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-27-0x00000000204C0000-0x000000002071F000-memory.dmp

          Filesize

          2.4MB

        • memory/1640-85-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-92-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-93-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-94-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-60-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-59-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-3-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-6-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-8-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-26-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-42-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-84-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2960-142-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2960-144-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2960-146-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/3444-140-0x0000000000240000-0x0000000000294000-memory.dmp

          Filesize

          336KB

        • memory/4288-153-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4288-154-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4288-125-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4288-120-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/4288-117-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/5088-11-0x0000000074F10000-0x00000000756C1000-memory.dmp

          Filesize

          7.7MB

        • memory/5088-1-0x0000000000FD0000-0x000000000101A000-memory.dmp

          Filesize

          296KB

        • memory/5088-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

          Filesize

          4KB

        • memory/5088-14-0x0000000074F10000-0x00000000756C1000-memory.dmp

          Filesize

          7.7MB