Analysis

  • max time kernel
    147s
  • max time network
    149s
  • 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 06:53

General

  • Target

    d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53.exe

  • Size

    283KB

  • MD5

    1a8eac6293ff78c7b9069e87830cc8c7

  • SHA1

    6d73f90761d45ac64e9f6eb36da1e82756f2cee7

  • SHA256

    d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53

  • SHA512

    9f53782d65ee9d25537f7e0b075aa1df1c430f1c416014ebf4d10970ab504c388799068da07e78dfec7de4bf21457deb7f3c81f64a25b6e5b2872f85fa2472ae

  • SSDEEP

    6144:DMsGCiIVbgS/z41Pj2Hlmu8VsLIIiRHTHKJlo9agrEO:D/GCiibh7OiHlB8VsLI1rbEO

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 20 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 2 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 3 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 8 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 4 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 12 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53.exe
    "C:\Users\Admin\AppData\Local\Temp\d70176af4397fd3ce6b70a18a3b48ab445a7fa165cf0f758c5d02faa6387ea53.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2536
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4524
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:4876
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
              PID:4752
            • 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:1208
              • C:\ProgramData\IDAEBGCAAE.exe
                "C:\ProgramData\IDAEBGCAAE.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1764
                • 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:4512
              • C:\ProgramData\GIECFIEGDB.exe
                "C:\ProgramData\GIECFIEGDB.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4592
                • 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:2492
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKFHJJDHJEGH" & exit
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3572
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:1200

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\BKKFHIEGDHJK\GHCGDA

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\GIECFIEGDB.exe

            Filesize

            321KB

            MD5

            94c5abd0eccd77846b4e0f641906bb19

            SHA1

            3fb0119c89952f61aee14abbe693a293ee916439

            SHA256

            863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b

            SHA512

            4bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9

          • C:\ProgramData\IDAEBGCAAE.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

            54a07b82d29bd979596492d3e66e0a18

            SHA1

            a8b74ac232ec193580a43f353b83de4eb16e369e

            SHA256

            43117850501f3edc9505d6114732e28d160225ea00bf02a2317c8a83d092f339

            SHA512

            21ce153adc4f5887e18423e8c92da119e41bd97b358390b373b7755e90ae7a70bdbbae151528a159230233e0f6880bbe737ef801426c0afcdc0d1bc06a5e4184

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

            Filesize

            450B

            MD5

            db926008856555d6375ce86e550430e1

            SHA1

            5c49415e0a03fbccbf0ab6e129a8ec714e944987

            SHA256

            f7f7cca48096eda983d3108976de3fb0e82dbc1fa1f4c3766420639dc1b28d6d

            SHA512

            83d34fc56d1c200db6f18d1640088aa772ea0b3ac16863406d860f996a1637f4d5d2667c33f3cef6474a68b63880bd0053baefde75e5e90c538018195a7db5c3

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

            Filesize

            458B

            MD5

            c4b950d9d17f4280d78a1591d1bca21a

            SHA1

            a284a761f9d7e12f25b29bd9d85eba142824bd18

            SHA256

            8d2266ec9664fefc8551d41cc6fa38e0188235afa399135381f376b405c7331d

            SHA512

            38a856454785c925b7643cec4d83ae07126f1e03d3a7739928da5653e26da2048bc9f2ee8ec71a274640c389a750900d8a5c51d4839f69daa12dcbf82bc2a7bb

          • memory/792-43-0x0000000075040000-0x00000000757F1000-memory.dmp

            Filesize

            7.7MB

          • memory/792-0-0x000000007504E000-0x000000007504F000-memory.dmp

            Filesize

            4KB

          • memory/792-1-0x0000000000F00000-0x0000000000F4A000-memory.dmp

            Filesize

            296KB

          • memory/792-11-0x0000000075040000-0x00000000757F1000-memory.dmp

            Filesize

            7.7MB

          • memory/1208-94-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-26-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-86-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-93-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-60-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-27-0x00000000229B0000-0x0000000022C0F000-memory.dmp

            Filesize

            2.4MB

          • memory/1208-61-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-85-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-3-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-7-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-8-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-42-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-44-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1208-25-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1764-115-0x00000000007B0000-0x00000000007FA000-memory.dmp

            Filesize

            296KB

          • memory/1764-114-0x0000000071FDE000-0x0000000071FDF000-memory.dmp

            Filesize

            4KB

          • memory/2492-139-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/2492-141-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/2492-143-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/4512-152-0x00000000229A0000-0x0000000022BFF000-memory.dmp

            Filesize

            2.4MB

          • memory/4512-121-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4512-117-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4512-150-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4512-151-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4512-119-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4512-166-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4512-167-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4592-137-0x0000000000920000-0x0000000000974000-memory.dmp

            Filesize

            336KB