Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 11:25

General

  • Target

    eac2023507aa414efd29baf156116048e88a00ad1d4b017fe713b83779eba0f7.exe

  • Size

    1.5MB

  • MD5

    7f643a82dae83643c8a2a3e64c65f0aa

  • SHA1

    08fe6e3de174dd886596f31559237174e451adfb

  • SHA256

    eac2023507aa414efd29baf156116048e88a00ad1d4b017fe713b83779eba0f7

  • SHA512

    3332c882f11c53e1dff374541747b3c2d6be253b86e88e60764a366bb0f03fa878210f91b3f59a0a8aa65aaf1e6ddc0a65d81654f4b4c691c92a925b641f0a1a

  • SSDEEP

    24576:m1V5bEb5v837jDHNCFYC/kNMqc5wwcotkPh2sQoarP1wRB4Z:yfxCFNGMql5PnQoaj2RB4

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

68fa61169d8a1f0521b8a06aa1f33efb

C2

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

  • Detect Vidar Stealer 19 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Downloads MZ/PE file
  • Uses browser remote debugging 2 TTPs 4 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • 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 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 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 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
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eac2023507aa414efd29baf156116048e88a00ad1d4b017fe713b83779eba0f7.exe
    "C:\Users\Admin\AppData\Local\Temp\eac2023507aa414efd29baf156116048e88a00ad1d4b017fe713b83779eba0f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Local\Temp\eac2023507aa414efd29baf156116048e88a00ad1d4b017fe713b83779eba0f7.exe
      "C:\Users\Admin\AppData\Local\Temp\eac2023507aa414efd29baf156116048e88a00ad1d4b017fe713b83779eba0f7.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:1696
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9223 --profile-directory="Default"
        3⤵
        • Uses browser remote debugging
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6a69758,0x7fef6a69768,0x7fef6a69778
          4⤵
            PID:1508
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:872
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1092 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:2
              4⤵
                PID:2220
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1512 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:8
                4⤵
                  PID:3024
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1584 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:8
                  4⤵
                    PID:2340
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2252 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2452
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2260 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1604
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1400 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:2
                    4⤵
                      PID:2000
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1384 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:1736
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3712 --field-trial-handle=1364,i,11580624625624813502,4253661923912768456,131072 /prefetch:8
                      4⤵
                        PID:796
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJDHDGDAAAAK" & exit
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:1132
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout /t 10
                        4⤵
                        • System Location Discovery: System Language Discovery
                        • Delays execution with timeout.exe
                        PID:948
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 52
                    2⤵
                    • Program crash
                    PID:2896
                • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                  "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                  1⤵
                    PID:2112

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

                    Filesize

                    1KB

                    MD5

                    a266bb7dcc38a562631361bbf61dd11b

                    SHA1

                    3b1efd3a66ea28b16697394703a72ca340a05bd5

                    SHA256

                    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

                    SHA512

                    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

                    Filesize

                    242B

                    MD5

                    fdbf994f61687acf07ffcf164ec798ae

                    SHA1

                    81095ee3584990213097488ac551490ff63b3c98

                    SHA256

                    aa92cf8e7bf8d599a502b412d024ee805c766a7a617cbcf14583339bc81bdef8

                    SHA512

                    ad9d3abfd984e6ae079c05e2c3a43e683ae583934ffaf4bc37774f1318275c8c621cbd81eb6684b31ae8f7038e9879f35816c1e552c14a6703529378908803ea

                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                    Filesize

                    16B

                    MD5

                    aefd77f47fb84fae5ea194496b44c67a

                    SHA1

                    dcfbb6a5b8d05662c4858664f81693bb7f803b82

                    SHA256

                    4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                    SHA512

                    b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                    Filesize

                    264KB

                    MD5

                    f50f89a0a91564d0b8a211f8921aa7de

                    SHA1

                    112403a17dd69d5b9018b8cede023cb3b54eab7d

                    SHA256

                    b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                    SHA512

                    bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                  • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                    Filesize

                    16B

                    MD5

                    18e723571b00fb1694a3bad6c78e4054

                    SHA1

                    afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                    SHA256

                    8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                    SHA512

                    43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                  • C:\Users\Admin\AppData\Local\Temp\Cab9291.tmp

                    Filesize

                    70KB

                    MD5

                    49aebf8cbd62d92ac215b2923fb1b9f5

                    SHA1

                    1723be06719828dda65ad804298d0431f6aff976

                    SHA256

                    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                    SHA512

                    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                  • C:\Users\Admin\AppData\Local\Temp\Tar92B3.tmp

                    Filesize

                    181KB

                    MD5

                    4ea6026cf93ec6338144661bf1202cd1

                    SHA1

                    a1dec9044f750ad887935a01430bf49322fbdcb7

                    SHA256

                    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                    SHA512

                    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                  • \ProgramData\mozglue.dll

                    Filesize

                    593KB

                    MD5

                    c8fd9be83bc728cc04beffafc2907fe9

                    SHA1

                    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

                    SHA256

                    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

                    SHA512

                    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

                  • \ProgramData\nss3.dll

                    Filesize

                    2.0MB

                    MD5

                    1cc453cdf74f31e4d913ff9c10acdde2

                    SHA1

                    6e85eae544d6e965f15fa5c39700fa7202f3aafe

                    SHA256

                    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

                    SHA512

                    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

                  • memory/1696-7-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-306-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-1-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-157-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-176-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-195-0x000000001A5B0000-0x000000001A80F000-memory.dmp

                    Filesize

                    2.4MB

                  • memory/1696-202-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-221-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-9-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-10-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                    Filesize

                    4KB

                  • memory/1696-13-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-281-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-5-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-307-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-329-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-348-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-368-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-15-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-18-0x0000000001240000-0x00000000013C0000-memory.dmp

                    Filesize

                    1.5MB

                  • memory/1696-474-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-499-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-536-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-555-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1696-3-0x0000000000400000-0x0000000000659000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/2868-0-0x00000000012DC000-0x00000000012DD000-memory.dmp

                    Filesize

                    4KB