Resubmissions

18/10/2022, 04:32

221018-e51g6seeb810

18/10/2022, 04:06

221018-epj59aedd67

18/10/2022, 03:34

221018-d417mseefj10

Analysis

  • max time kernel
    1616s
  • max time network
    1803s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2022, 04:32

General

  • Target
    be9d0c8a2051d70d4434e034647c8b675a38c1f08252c94c1620fbe663bd853b.exe
  • Size 521KB
  • Sample221018-e51g6seeb8
  • SHA256 be9d0c8a2051d70d4434e034647c8b675a38c1f08252c94c1620fbe663bd853b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • BirjRo1

C2
  • 79.137.197.136:23532

Attributes
  • auth_value

    278e5c62cf6a9bb4e0ab732b17b0368e

Signatures

  • RedLine

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

  • RedLine payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • 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.

  • Modifies WinLogon 2 TTPs 4 IoCs
  • Drops file in Windows directory 10 IoCs
  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be9d0c8a2051d70d4434e034647c8b675a38c1f08252c94c1620fbe663bd853b.exe
    "C:\Users\Admin\AppData\Local\Temp\be9d0c8a2051d70d4434e034647c8b675a38c1f08252c94c1620fbe663bd853b.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net user %username%
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Windows\SysWOW64\net.exe
        net user Admin
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4964
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user Admin
          4⤵
            PID:4876
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell.exe Set-ExecutionPolicy bypass -Force
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4924
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe Set-ExecutionPolicy bypass -Force
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4936
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell.exe Add-MpPreference -ExclusionPath C:\Windows\SvcManager
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe Add-MpPreference -ExclusionPath C:\Windows\SvcManager
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2096
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell.exe C:\Windows\SvcManager\las.ps1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4168
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe C:\Windows\SvcManager\las.ps1
          3⤵
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4264
          • C:\Windows\SysWOW64\SecEdit.exe
            "C:\Windows\system32\SecEdit.exe" /export /cfg tempexport.inf
            4⤵
            • Drops file in Windows directory
            PID:5108
          • C:\Windows\SysWOW64\SecEdit.exe
            "C:\Windows\system32\SecEdit.exe" /import /db secedit.sdb /cfg .\tempimport.inf
            4⤵
              PID:4976
            • C:\Windows\SysWOW64\SecEdit.exe
              "C:\Windows\system32\SecEdit.exe" /configure /db secedit.sdb
              4⤵
                PID:1584
              • C:\Windows\SysWOW64\gpupdate.exe
                "C:\Windows\system32\gpupdate.exe" /force
                4⤵
                  PID:1156
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del /f C:\Windows\SvcManager\las.ps1
              2⤵
                PID:4600
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c cls
                2⤵
                  PID:3240
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\extra.exe
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:5112
                  • C:\Users\Admin\AppData\Local\Temp\extra.exe
                    C:\Users\Admin\AppData\Local\Temp\\extra.exe
                    3⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2396
                • C:\Windows\SysWOW64\cmd.exe
                  cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\be9d0c8a2051d70d4434e034647c8b675a38c1f08252c94c1620fbe663bd853b.exe"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3788
                  • C:\Windows\SysWOW64\PING.EXE
                    ping 1.1.1.1 -n 1 -w 3000
                    3⤵
                    • Runs ping.exe
                    PID:3092
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 808
                  2⤵
                  • Program crash
                  PID:708
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:2696
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3216 -ip 3216
                1⤵
                  PID:4944

                Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      powershell.exe.log

                      • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
                      • Size 2KB
                      • SHA256 80d19c23e407ccffe9f5b43087c752b2157294a1e42d887705b9924ceb9e6af9
                      • MD5 SHA1 SHA512

                      StartupProfileData-NonInteractive

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                      • Size 16KB
                      • SHA256 4ec09c21644a4c8fe75dd16cde4ba26ef87a4d0e8c35c0427d452f2797e4d43d
                      • MD5 SHA1 SHA512 SSDEEP

                      StartupProfileData-NonInteractive

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                      • Size 18KB
                      • SHA256 e9eb8cb8a32d04afc7f68f2885df93993dafef52d69f8fed2e37a689510977bd
                      • MD5 SHA1 SHA512 SSDEEP

                      extra.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\extra.exe
                      • Size 137KB
                      • SHA256 f6eb83f11c4e97e037def9bcca9685beaf38e7a172f4b60e28ba9b479657db2c
                      • MD5 SHA1 SHA512 SSDEEP

                      extra.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\extra.exe
                      • Size 137KB
                      • SHA256 f6eb83f11c4e97e037def9bcca9685beaf38e7a172f4b60e28ba9b479657db2c
                      • MD5 SHA1 SHA512 SSDEEP

                      las.ps1

                      • Path C:\Windows\SvcManager\las.ps1
                      • Size 1KB
                      • SHA256 f63923ddc20574ca230a3b51bf7a6bf158a53f84494e2081071c3469abb068ca
                      • MD5 SHA1 SHA512

                      svcmgr.exe

                      • Path C:\Windows\SvcManager\svcmgr.exe
                      • Size 788KB
                      • SHA256 e707fad41b65d06c3b6e7b2a61aa616c8256546cd9fae1acf5fa0e07d62034fe
                      • MD5 SHA1 SHA512 SSDEEP

                      svcmgr.exe

                      • Path C:\Windows\SvcManager\svcmgr.exe
                      • Size 788KB
                      • SHA256 e707fad41b65d06c3b6e7b2a61aa616c8256546cd9fae1acf5fa0e07d62034fe
                      • MD5 SHA1 SHA512 SSDEEP

                      tempexport.inf

                      • Path C:\Windows\SvcManager\tempexport.inf
                      • Size 16KB
                      • SHA256 621c13968a16a9280f14cea9e2577678af7129f6899615defebc08782eb8b756
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/2096-160-0x0000000007D70000-0x0000000007D78000-memory.dmp

                      memory/2096-159-0x0000000007D90000-0x0000000007DAA000-memory.dmp

                      memory/2096-158-0x0000000007C80000-0x0000000007C8E000-memory.dmp

                      memory/2096-157-0x0000000070760000-0x00000000707AC000-memory.dmp

                      memory/2396-192-0x0000000006090000-0x0000000006122000-memory.dmp

                      memory/2396-195-0x00000000062B0000-0x0000000006300000-memory.dmp

                      memory/2396-188-0x0000000005240000-0x000000000534A000-memory.dmp

                      memory/2396-190-0x00000000051E0000-0x000000000521C000-memory.dmp

                      memory/2396-185-0x0000000000900000-0x0000000000928000-memory.dmp

                      memory/2396-187-0x00000000056D0000-0x0000000005CE8000-memory.dmp

                      memory/2396-189-0x0000000005180000-0x0000000005192000-memory.dmp

                      memory/2396-193-0x0000000006480000-0x0000000006642000-memory.dmp

                      memory/2396-194-0x00000000071C0000-0x00000000076EC000-memory.dmp

                      memory/2696-186-0x00007FFAD8D30000-0x00007FFAD97F1000-memory.dmp

                      memory/2696-191-0x000001BF6F4E0000-0x000001BF6F502000-memory.dmp

                      memory/2696-196-0x00007FFAD8D30000-0x00007FFAD97F1000-memory.dmp

                      memory/2696-180-0x000001BF55500000-0x000001BF555CC000-memory.dmp

                      memory/3216-164-0x0000000000400000-0x00000000005DF000-memory.dmp

                      memory/3216-139-0x00000000021F0000-0x0000000002291000-memory.dmp

                      memory/3216-137-0x0000000000822000-0x000000000087E000-memory.dmp

                      memory/3216-140-0x0000000000400000-0x00000000005DF000-memory.dmp

                      memory/3216-199-0x0000000000400000-0x00000000005DF000-memory.dmp

                      memory/3216-163-0x0000000000822000-0x000000000087E000-memory.dmp

                      memory/4264-172-0x00000000078A0000-0x00000000078BE000-memory.dmp

                      memory/4264-168-0x0000000008170000-0x0000000008714000-memory.dmp

                      memory/4264-167-0x0000000006CF0000-0x0000000006D12000-memory.dmp

                      memory/4264-171-0x0000000007C40000-0x0000000007CB6000-memory.dmp

                      memory/4936-151-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

                      memory/4936-148-0x0000000006220000-0x000000000623E000-memory.dmp

                      memory/4936-141-0x0000000005050000-0x0000000005678000-memory.dmp

                      memory/4936-138-0x0000000002320000-0x0000000002356000-memory.dmp

                      memory/4936-142-0x0000000004DC0000-0x0000000004DE2000-memory.dmp

                      memory/4936-143-0x0000000004F20000-0x0000000004F86000-memory.dmp

                      memory/4936-144-0x0000000005680000-0x00000000056E6000-memory.dmp

                      memory/4936-152-0x00000000071F0000-0x0000000007286000-memory.dmp

                      memory/4936-150-0x0000000006F70000-0x0000000006F8A000-memory.dmp

                      memory/4936-149-0x00000000075B0000-0x0000000007C2A000-memory.dmp

                      memory/4936-147-0x0000000070760000-0x00000000707AC000-memory.dmp

                      memory/4936-146-0x0000000006C20000-0x0000000006C52000-memory.dmp

                      memory/4936-145-0x0000000005C70000-0x0000000005C8E000-memory.dmp