Analysis

  • max time kernel
    195s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24/05/2024, 00:50

General

  • Target
    8e6d8b5a004c8f21bee1bbe4213c6d78cf80e439b38f587e963e9bb4569aaffa.exe
  • Size 304KB
  • Sample240524-a7abjsfd34
  • SHA256 8e6d8b5a004c8f21bee1bbe4213c6d78cf80e439b38f587e963e9bb4569aaffa
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • 1

C2
  • 185.215.113.67:40960

Extracted

Family
  • stealc

rc4.plain

Extracted

Family
  • vidar

C2
  • https://steamcommunity.com/profiles/76561199686524322

  • https://t.me/k0mono

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Safari/605.1.15 Ddg/17.4.1

Signatures

  • Detect Vidar Stealer 8 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 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 local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e6d8b5a004c8f21bee1bbe4213c6d78cf80e439b38f587e963e9bb4569aaffa.exe
    "C:\Users\Admin\AppData\Local\Temp\8e6d8b5a004c8f21bee1bbe4213c6d78cf80e439b38f587e963e9bb4569aaffa.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Users\Admin\AppData\Local\Temp\eng.exe
      "C:\Users\Admin\AppData\Local\Temp\eng.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4464
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k move Descriptions Descriptions.cmd & Descriptions.cmd & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1860
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2568
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "wrsa.exe opssvc.exe"
          4⤵
            PID:3000
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3120
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
            4⤵
              PID:4180
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c md 331313
              4⤵
                PID:1732
              • C:\Windows\SysWOW64\findstr.exe
                findstr /V "EnquiryAnContributionRefers" Tank
                4⤵
                  PID:5068
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c copy /b Ph + Shoot 331313\r
                  4⤵
                    PID:3272
                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\331313\Rent.pif
                    331313\Rent.pif 331313\r
                    4⤵
                    • Executes dropped EXE
                    • Checks processor information in registry
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    • Suspicious use of WriteProcessMemory
                    PID:2124
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c start "" "C:\ProgramData\DGCBKECAKF.exe"
                      5⤵
                        PID:3580
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AFIIEBGCAAEC" & exit
                        5⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1908
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /t 10
                          6⤵
                          • Delays execution with timeout.exe
                          PID:4212
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:2828

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    DGCBKECAKF.exe

                    • Path C:\ProgramData\DGCBKECAKF.exe
                    • Size 178B
                    • SHA256 887c8ada6058f01125a5131f1c495ba5f0171b2c40466ea824494403b87c1a22
                    • MD5 SHA1 SHA512

                    Rent.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\331313\Rent.pif
                    • Size 915KB
                    • SHA256 8498900e57a490404e7ec4d8159bee29aed5852ae88bd484141780eaadb727bb
                    • MD5 SHA1 SHA512 SSDEEP

                    r

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\331313\r
                    • Size 338KB
                    • SHA256 c61b764e91da03e02120dfe4253d4e071acb51aff84b3c56767b72f1e5e5ed50
                    • MD5 SHA1 SHA512 SSDEEP

                    Britney

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Britney
                    • Size 15KB
                    • SHA256 c7a2bb2a2938356cd5ca3fb1854dbd6972e5cf0482e2958cd82bb076d0f6ac69
                    • MD5 SHA1 SHA512 SSDEEP

                    Considerations

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Considerations
                    • Size 63KB
                    • SHA256 37f28d62d96a81bd91eb58f29a99e9a77926d91d417d6f66f6f8a6eece7526d0
                    • MD5 SHA1 SHA512 SSDEEP

                    Defeat

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Defeat
                    • Size 8KB
                    • SHA256 48c0322e96b304cd939baf6d79183e69069678b89184d7a8c43804769095fad2
                    • MD5 SHA1 SHA512 SSDEEP

                    Descriptions

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Descriptions
                    • Size 10KB
                    • SHA256 7ae2ec9669a960155327bd0a4bc77910a1b99583b52992d7cd8199e4f6ca2f69
                    • MD5 SHA1 SHA512 SSDEEP

                    Designated

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Designated
                    • Size 24KB
                    • SHA256 c8f1e37f60d9b509f6ba28da0ce2fce3cf165afe87e74383aaa7a2c50abecb16
                    • MD5 SHA1 SHA512 SSDEEP

                    Donna

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Donna
                    • Size 39KB
                    • SHA256 18bf0e8c0d9ad3370de623d2c9aa690cc6f7988d43489d9eaef8e50546a0a437
                    • MD5 SHA1 SHA512 SSDEEP

                    Ed

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ed
                    • Size 8KB
                    • SHA256 f455c49ee56b4c49cf34ad0cd07986b5f55b504a8b523ea0eb79f332a255a3d6
                    • MD5 SHA1 SHA512 SSDEEP

                    Epinionscom

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Epinionscom
                    • Size 63KB
                    • SHA256 ee478441e8ca4bf07da4f8ae5cd30de64b36e1862c44ab087a2f7a6326c6a876
                    • MD5 SHA1 SHA512 SSDEEP

                    Expenditures

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Expenditures
                    • Size 53KB
                    • SHA256 7e638bd5b43325cf06e823b46b24ff6900eb21887ff7eba19d8478b2099a032a
                    • MD5 SHA1 SHA512 SSDEEP

                    Going

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Going
                    • Size 44KB
                    • SHA256 f6ad9a10f800b1238e3c608f7d703420c856c87375bf0bee5b4c58ceefbc23b9
                    • MD5 SHA1 SHA512 SSDEEP

                    Ii

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ii
                    • Size 20KB
                    • SHA256 40529a835627ed7ac4d6cd0d474cedbec19bb6e5e6c8abb93ade9122d2731a0f
                    • MD5 SHA1 SHA512 SSDEEP

                    Incomplete

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Incomplete
                    • Size 42KB
                    • SHA256 d58c2b3f96a925872dbaff1ed64aa4f7304b96378c119fbbfadbd764e20182db
                    • MD5 SHA1 SHA512 SSDEEP

                    Ink

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ink
                    • Size 62KB
                    • SHA256 ed5050fbe794268c6edbe49f8fb226acf859a2c68251c4cb7fc8db4b90ec791d
                    • MD5 SHA1 SHA512 SSDEEP

                    Joan

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Joan
                    • Size 21KB
                    • SHA256 9c23e3be788b1f05d3084e7b6c805c970f2deb80577b15c2bbdf68a1fbc04994
                    • MD5 SHA1 SHA512 SSDEEP

                    Located

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Located
                    • Size 10KB
                    • SHA256 8236b37f3e875ced66c35a19085eec2c8674621c389278ca75a1a0dd7d12ccde
                    • MD5 SHA1 SHA512 SSDEEP

                    Mrna

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Mrna
                    • Size 17KB
                    • SHA256 596ba1d906161a86995c4cacea3f9c1be51ce40fa734609f01ad698fcd555902
                    • MD5 SHA1 SHA512 SSDEEP

                    Pam

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Pam
                    • Size 13KB
                    • SHA256 90bc9bcd85b5151791b71ce1806745d86c1e15933402ea4a2d171a65a1a12f9f
                    • MD5 SHA1 SHA512 SSDEEP

                    Paso

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Paso
                    • Size 49KB
                    • SHA256 e71c48c8c75b9a6ef0b7d4875d1ab7acaa76855207a951956b8c167b9fc0cd71
                    • MD5 SHA1 SHA512 SSDEEP

                    Ph

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ph
                    • Size 192KB
                    • SHA256 3123a61a0f949ba754dbe29686bfe82b2527e0f71efca042701eadc3fe0a8000
                    • MD5 SHA1 SHA512 SSDEEP

                    Proc

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Proc
                    • Size 13KB
                    • SHA256 9c279dfab8f0a455caa5e1272a37d523d54af33a1b8b8c661121c175e8815692
                    • MD5 SHA1 SHA512 SSDEEP

                    Shoot

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Shoot
                    • Size 146KB
                    • SHA256 e0c0e1e381d479170dd8de9ca40700163508ed1fb3f157d1e6107ae004e6c4fc
                    • MD5 SHA1 SHA512 SSDEEP

                    Spirit

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Spirit
                    • Size 19KB
                    • SHA256 338c5edf0aeef9a14ffcaccfa0463ba901bc4b93e6764175df4f1c148cf87168
                    • MD5 SHA1 SHA512 SSDEEP

                    Sponsors

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Sponsors
                    • Size 66KB
                    • SHA256 e21533aaf685290de228ac13e8eeb0ed0195192e1c18108ad2dcf9f090b14404
                    • MD5 SHA1 SHA512 SSDEEP

                    Stayed

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Stayed
                    • Size 35KB
                    • SHA256 ce774c5b786f3bcad31d8e9ac06a43747f59d5d9ddcd96db488beb16af3a10dd
                    • MD5 SHA1 SHA512 SSDEEP

                    Surgeon

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Surgeon
                    • Size 34KB
                    • SHA256 ce3f7644ce8f0cda4127ed1f094daec6cf03e955e2b2f08fce1e1fa8c499a323
                    • MD5 SHA1 SHA512 SSDEEP

                    Switched

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Switched
                    • Size 12KB
                    • SHA256 12387059317cee313e858a6707c3abc0aad950d383621ec109acffa1a1e3c456
                    • MD5 SHA1 SHA512 SSDEEP

                    Tank

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Tank
                    • Size 155B
                    • SHA256 e37dd741efc2fe87d76ff42c501ab30ce887d19de47834e30d8e96bbb33637f5
                    • MD5 SHA1 SHA512

                    Teaching

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Teaching
                    • Size 10KB
                    • SHA256 42d15faa6a365a2d83698253fedbe72a13cbd5b7cf34234073e743a12d7ee276
                    • MD5 SHA1 SHA512 SSDEEP

                    Treat

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Treat
                    • Size 49KB
                    • SHA256 2ee7d900fa7114a695f7fd92b917d05a3b693b492db0efdbe91e5872b6973f3d
                    • MD5 SHA1 SHA512 SSDEEP

                    Villa

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Villa
                    • Size 9KB
                    • SHA256 111312c36bbf7878d4079036dfcb872a6a30aba8c81192ed4832f352ce8232d6
                    • MD5 SHA1 SHA512 SSDEEP

                    Warcraft

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Warcraft
                    • Size 19KB
                    • SHA256 1a0a41581f11dadb5a0bc39c9be1fc544f3c178f46d503bc5d28a148764a8c6f
                    • MD5 SHA1 SHA512 SSDEEP

                    Williams

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Williams
                    • Size 43KB
                    • SHA256 b32991a917dbea6f4c1309dd51c596c6aff925a563df1627f7cf5feb7f234a64
                    • MD5 SHA1 SHA512 SSDEEP

                    Windsor

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Windsor
                    • Size 47KB
                    • SHA256 a64a886e83d6e03b962790b6a1da7c5fa436b7c58ac7e10ae644c367f3363da5
                    • MD5 SHA1 SHA512 SSDEEP

                    Wrestling

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Wrestling
                    • Size 8KB
                    • SHA256 e008fea09e831e640bc1189b6298689f831d5138bac26cce62f58093b0635ce8
                    • MD5 SHA1 SHA512 SSDEEP

                    Tmp784D.tmp

                    • Path C:\Users\Admin\AppData\Local\Temp\Tmp784D.tmp
                    • Size 2KB
                    • SHA256 f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
                    • MD5 SHA1 SHA512

                    eng.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\eng.exe
                    • Size 889KB
                    • SHA256 cbd9e9333684de488c6fd947583149065d9d95b031d6be7a0440c2581a304971
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/2124-145-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-128-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-129-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-122-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-121-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-131-0x0000000010000000-0x000000001025F000-memory.dmp

                    memory/2124-120-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-146-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-118-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-158-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-119-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/2124-159-0x0000000004000000-0x0000000004246000-memory.dmp

                    memory/4404-25-0x0000000007410000-0x0000000007A16000-memory.dmp

                    memory/4404-0-0x00000000738EE000-0x00000000738EF000-memory.dmp

                    memory/4404-4-0x0000000005950000-0x000000000595A000-memory.dmp

                    memory/4404-3-0x0000000005970000-0x0000000005A02000-memory.dmp

                    memory/4404-2-0x0000000005E70000-0x000000000636E000-memory.dmp

                    memory/4404-5-0x00000000738E0000-0x0000000073FCE000-memory.dmp

                    memory/4404-22-0x0000000006470000-0x00000000064E6000-memory.dmp

                    memory/4404-23-0x0000000006CE0000-0x0000000006CFE000-memory.dmp

                    memory/4404-26-0x0000000006F80000-0x000000000708A000-memory.dmp

                    memory/4404-27-0x0000000006EB0000-0x0000000006EC2000-memory.dmp

                    memory/4404-28-0x0000000006F10000-0x0000000006F4E000-memory.dmp

                    memory/4404-29-0x0000000007090000-0x00000000070DB000-memory.dmp

                    memory/4404-30-0x00000000071C0000-0x0000000007226000-memory.dmp

                    memory/4404-33-0x0000000007C70000-0x0000000007CC0000-memory.dmp

                    memory/4404-34-0x0000000007F90000-0x0000000008152000-memory.dmp

                    memory/4404-35-0x0000000008C00000-0x000000000912C000-memory.dmp

                    memory/4404-46-0x00000000738E0000-0x0000000073FCE000-memory.dmp

                    memory/4404-1-0x0000000000FE0000-0x0000000001032000-memory.dmp