Analysis

  • max time kernel
    1740s
  • max time network
    1751s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 10:12

General

  • Target

    @#LATEST_SoftWare_2024_PASSCODE_$.rar

  • Size

    51.5MB

  • MD5

    c7c3d6aaa70594d6df0b8f3f40a7e2f6

  • SHA1

    74f4da75221222f336009025a358366eaf6c1d68

  • SHA256

    979e872622b1ae7ca6e9cb3599de8e400b3bfe537d3cb64261dffaa7956baa50

  • SHA512

    c23ea4a4c280a529e798a89525fa14b02156d18e8029edb93920dcc1144d1346eb5ff18ebbc80caf55ab391205d7fa0b19d5dab1e029db523648e4b26f7af0b1

  • SSDEEP

    786432:dMPQ7x53FKvsZTMlKxppk7c8joaJ6eWd7Gt9BZjQZfDG3q9PhUwuMr+NegCHR:dMP+/3F6StAoalWd7wOFawVRj

Malware Config

Extracted

Family

vidar

Botnet

04eb8f77b9c9e4d5a6a6e5a3b727c27e

C2

https://graims.xyz

https://steamcommunity.com/profiles/76561199677575543

https://t.me/snsb82

Attributes
  • profile_id_v2

    04eb8f77b9c9e4d5a6a6e5a3b727c27e

  • user_agent

    Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) AppleWebKit/534.6 (KHTML, like Gecko) Chrome/8.0.500.0 Safari/534.6

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 11 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\@#LATEST_SoftWare_2024_PASSCODE_$.rar
    1⤵
    • Modifies registry class
    PID:1564
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:712
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2736
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\@#LATEST_SoftWare_2024_PASSCODE_$.rar"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4868
    • C:\Users\Admin\Desktop\Setup.exe
      "C:\Users\Admin\Desktop\Setup.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\ftp.exe
        C:\Windows\SysWOW64\ftp.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3148
        • C:\Users\Admin\AppData\Local\Temp\PsExec.exe
          C:\Users\Admin\AppData\Local\Temp\PsExec.exe
          3⤵
          • Loads dropped DLL
          PID:3036
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 1460
            4⤵
            • Program crash
            PID:2344
    • C:\Users\Admin\Desktop\Setup.exe
      "C:\Users\Admin\Desktop\Setup.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\Windows\SysWOW64\ftp.exe
        C:\Windows\SysWOW64\ftp.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Users\Admin\AppData\Local\Temp\PsExec.exe
          C:\Users\Admin\AppData\Local\Temp\PsExec.exe
          3⤵
          • Loads dropped DLL
          PID:2012
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 1452
            4⤵
            • Program crash
            PID:2084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3036 -ip 3036
      1⤵
        PID:3476
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2012 -ip 2012
        1⤵
          PID:1496

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\16375d56

          Filesize

          6.6MB

          MD5

          94cee090975b8f8e69692eec508a6492

          SHA1

          774d7902b41e9f58d528e1fce3ddd409dceeddbb

          SHA256

          5b575468c946e022afa7cc296c45554ff82dd815c958e3913a8f555a7617bbdb

          SHA512

          88532e972c819868dde604d0c58c7b7f89a71a514aed35033b0feb2c135991a198d45eb7b0f6ddcee45256108c06feb75dde029c3a21c92a20f5e17d909f2986

        • C:\Users\Admin\AppData\Local\Temp\PsExec.exe

          Filesize

          699KB

          MD5

          24a648a48741b1ac809e47b9543c6f12

          SHA1

          3e2272b916da4be3c120d17490423230ab62c174

          SHA256

          078163d5c16f64caa5a14784323fd51451b8c831c73396b967b4e35e6879937b

          SHA512

          b974ce956f2e922e92ca414d1bd6cc7bcb36bc44532b28b392f2a8052d6d47fd742841c4add6ec5c8283d28d7245b1704af34a523917e49cef007eef700a0b9a

        • C:\Users\Admin\AppData\Local\Temp\ae82d765

          Filesize

          6.6MB

          MD5

          7d959e304e87ed81494b634fc10c6a4a

          SHA1

          92c25d2dbffabb54312339eabe993ea2f18c1add

          SHA256

          345d7b1067c746d8297a715ee2c8bf74410d39a866f86b2b587abce9be571ea4

          SHA512

          102526ac292f39e38d2623fa53ac3f0b44a7e2741dfbbabf0794250a22ae1b3e57fc5d564e1aeaf08a3c2b93d5afd104a339dfe5e45ff6c086995345d645f3b5

        • C:\Users\Admin\Desktop\Setup.exe

          Filesize

          31KB

          MD5

          67dedab5bc0159f7cc61cb4b46daa6f1

          SHA1

          5d57ef4bd9b6ac672c413c5e8495263672f090e3

          SHA256

          0e6f5eaa2cd91747213f6aec05e3de6fb46ea2b7cf4d5f3ac267128abc784d00

          SHA512

          4c7ed5d6e0a76ac6eec79e50ae9cd4b5fe3eacda574606e47d85bba1739902d688aa6f5ec03e7863ec9d36bdadf6229f64bce8fe33bacf38e84e50332a30caf0

        • C:\Users\Admin\Desktop\bersagliere.yml

          Filesize

          52KB

          MD5

          5c1674067e3ef99382ab283fc7e969e3

          SHA1

          3c2fe52472aaedf690bab16fa801bbe4b36002cf

          SHA256

          91fd630301631b88685602bf0d7353585c18e589189ed11ec620b37021683553

          SHA512

          17f6fb9675c6f106789dba4e3df8adcaf4a297ad08bc28a223694e2080d61e7901a612b1c4dab674467241ddeb72597bc19db866247debdc0e32480bd53f9ac2

        • C:\Users\Admin\Desktop\bivouac.m4a

          Filesize

          6.0MB

          MD5

          a1eaf011cca5726076ccfca62fd90a11

          SHA1

          b92e274b4793d2f4e69111ccdf93182e7e7ddb64

          SHA256

          11336a2aa99ff767dc4e547f8ce5924abeb2e440f6373e82dbd13c5c3ac873ff

          SHA512

          ffa07420d4a8a3a9828d079f5ff043f1c70704bcac74d10d59bdd52d56e84aad39cd14610c53b8229710b5faccccd3d58a1e8ce36fc472df58cec5802acf1402

        • C:\Users\Admin\Desktop\glib-2.0.dll

          Filesize

          1.0MB

          MD5

          2c86ec2ba23eb138528d70eef98e9aaf

          SHA1

          246846a3fe46df492f0887a31f7d52aae4faa71a

          SHA256

          030983470da06708cc55fd6aca92df199a051922b580db5db55c8cb6b203b51b

          SHA512

          396a3883fa65d7c3a0af7d607001a6099316a85563147cb34fa9806c9a4b39cfa90c7fa9eb4456399977eb47438d10896d25ed5327ae7aa3e3ae28cd1d13701c

        • C:\Users\Admin\Desktop\iconv.dll

          Filesize

          1.1MB

          MD5

          862dfc9bf209a46d6f4874614a6631cc

          SHA1

          43216aae64df217cba009145b6f9ad5b97fe927a

          SHA256

          84538f1aacebf9daad9fdb856611ab3d98a6d71c9ec79a8250eee694d2652a8b

          SHA512

          b0611cd9ad441871cca62291913197257660390fa4ea8a26cb41dc343a8a27ae111762de40c6f50cae3e365d8891500fc6ad0571aa3cd3a77eb83d9d488d19a8

        • C:\Users\Admin\Desktop\intl.dll

          Filesize

          87KB

          MD5

          d1a21e38593fddba8e51ed6bf7acf404

          SHA1

          759f16325f0920933ac977909b7fe261e0e129e6

          SHA256

          6a64c9cb0904ed48ce0d5cda137fcfd6dd463d84681436ca647b195aa2038a7e

          SHA512

          3f4390603cd68d949eb938c1599503fb1cbb1b8250638e0985fad2f40f08d5e45ea4a8c149e44a50c6aa9077054387c48f71b53bf06b713ca1e73a3d5a6a6c2e

        • C:\Users\Admin\Desktop\vmtools.dll

          Filesize

          617KB

          MD5

          f59ab22b88d1b2081810739c72bfa307

          SHA1

          e8c4651f185225b3da91e2e24a17fcb95fc40773

          SHA256

          0388d021f33fb0b922011854e3b49427c4ab38689f7d1ce663e9def6edc323f4

          SHA512

          e67c93b2b6eeeeb95396e6c7cf7217cc8503d8e6824a7941d6fb2d971049abeb974e880392868b0687b16eef41cdb70ef70b70fa92ab284d863105324ab819dd

        • memory/1936-365-0x00000000744C0000-0x000000007463B000-memory.dmp

          Filesize

          1.5MB

        • memory/1936-366-0x00007FFF46230000-0x00007FFF46425000-memory.dmp

          Filesize

          2.0MB

        • memory/1936-373-0x00000000744C0000-0x000000007463B000-memory.dmp

          Filesize

          1.5MB

        • memory/2012-421-0x0000000000570000-0x0000000000CC2000-memory.dmp

          Filesize

          7.3MB

        • memory/2012-418-0x0000000000570000-0x0000000000CC2000-memory.dmp

          Filesize

          7.3MB

        • memory/2012-420-0x00007FFF46230000-0x00007FFF46425000-memory.dmp

          Filesize

          2.0MB

        • memory/3036-410-0x0000000001100000-0x0000000001852000-memory.dmp

          Filesize

          7.3MB

        • memory/3036-404-0x0000000001100000-0x0000000001852000-memory.dmp

          Filesize

          7.3MB

        • memory/3036-406-0x00007FFF46230000-0x00007FFF46425000-memory.dmp

          Filesize

          2.0MB

        • memory/3036-412-0x0000000001100000-0x0000000001852000-memory.dmp

          Filesize

          7.3MB

        • memory/3148-378-0x00000000744C0000-0x000000007463B000-memory.dmp

          Filesize

          1.5MB

        • memory/3148-376-0x00007FFF46230000-0x00007FFF46425000-memory.dmp

          Filesize

          2.0MB

        • memory/3272-407-0x00000000744C0000-0x000000007463B000-memory.dmp

          Filesize

          1.5MB

        • memory/3272-389-0x00007FFF46230000-0x00007FFF46425000-memory.dmp

          Filesize

          2.0MB

        • memory/3272-388-0x00000000744C0000-0x000000007463B000-memory.dmp

          Filesize

          1.5MB

        • memory/3596-411-0x00007FFF46230000-0x00007FFF46425000-memory.dmp

          Filesize

          2.0MB