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
    1705s
  • max time network
    1708s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 15 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 9 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of WriteProcessMemory 64 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:1764
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net user %username%
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Windows\SysWOW64\net.exe
        net user Admin
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user Admin
          4⤵
            PID:948
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell.exe Set-ExecutionPolicy bypass -Force
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe Set-ExecutionPolicy bypass -Force
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1748
      • 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:1168
        • 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:1252
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell.exe C:\Windows\SvcManager\las.ps1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:324
        • 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:1780
          • C:\Windows\SysWOW64\SecEdit.exe
            "C:\Windows\system32\SecEdit.exe" /export /cfg tempexport.inf
            4⤵
            • Drops file in Windows directory
            PID:836
          • C:\Windows\SysWOW64\SecEdit.exe
            "C:\Windows\system32\SecEdit.exe" /import /db secedit.sdb /cfg .\tempimport.inf
            4⤵
              PID:1060
            • C:\Windows\SysWOW64\SecEdit.exe
              "C:\Windows\system32\SecEdit.exe" /configure /db secedit.sdb
              4⤵
                PID:1820
              • C:\Windows\SysWOW64\gpupdate.exe
                "C:\Windows\system32\gpupdate.exe" /force
                4⤵
                  PID:1260
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del /f C:\Windows\SvcManager\las.ps1
              2⤵
                PID:628
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c cls
                2⤵
                  PID:1804
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\extra.exe
                  2⤵
                  • Loads dropped DLL
                  PID:1512
                  • 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:1604
                • 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⤵
                  • Deletes itself
                  PID:1724
                  • C:\Windows\SysWOW64\PING.EXE
                    ping 1.1.1.1 -n 1 -w 3000
                    3⤵
                    • Runs ping.exe
                    PID:240
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Modifies system certificate store
                • Suspicious use of AdjustPrivilegeToken
                PID:1524
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1728
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1312
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1548
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1832
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:364
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1528
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1500
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1448
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:844
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1544
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:780
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1728
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:1312

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    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

                    d93f411851d7c929.customDestinations-ms

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
                    • Size 7KB
                    • SHA256 76e08ede19dae4fc375aa89243dcff3c4cd0aa410790dae1bbbbc77f47f31b54
                    • MD5 SHA1 SHA512 SSDEEP

                    d93f411851d7c929.customDestinations-ms

                    • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
                    • Size 7KB
                    • SHA256 76e08ede19dae4fc375aa89243dcff3c4cd0aa410790dae1bbbbc77f47f31b54
                    • 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

                    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

                    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

                    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

                    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

                    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

                    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

                    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 85773e2c05d587ae800deae43ab836164aab7d35118cf4b2c0029a11fd17c8ee
                    • MD5 SHA1 SHA512 SSDEEP

                    extra.exe

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

                    memory/364-110-0x00000000000C0000-0x000000000018C000-memory.dmp

                    memory/780-124-0x0000000000CA0000-0x0000000000D6C000-memory.dmp

                    memory/844-120-0x0000000019E20000-0x0000000019EC6000-memory.dmp

                    memory/844-119-0x00000000001E0000-0x00000000002AC000-memory.dmp

                    memory/1252-71-0x0000000073F90000-0x000000007453B000-memory.dmp

                    memory/1252-70-0x0000000073F90000-0x000000007453B000-memory.dmp

                    memory/1312-128-0x0000000000E70000-0x0000000000F3C000-memory.dmp

                    memory/1448-116-0x0000000000840000-0x000000000090C000-memory.dmp

                    memory/1448-117-0x0000000019560000-0x0000000019606000-memory.dmp

                    memory/1500-114-0x00000000003E0000-0x00000000004AC000-memory.dmp

                    memory/1524-99-0x00000000010B0000-0x0000000001156000-memory.dmp

                    memory/1524-91-0x0000000001240000-0x000000000130C000-memory.dmp

                    memory/1528-112-0x0000000000900000-0x00000000009CC000-memory.dmp

                    memory/1544-122-0x00000000003F0000-0x00000000004BC000-memory.dmp

                    memory/1604-97-0x0000000000110000-0x0000000000138000-memory.dmp

                    memory/1728-126-0x0000000000390000-0x000000000045C000-memory.dmp

                    memory/1748-60-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

                    memory/1748-65-0x0000000073FD0000-0x000000007457B000-memory.dmp

                    memory/1748-64-0x0000000073FD0000-0x000000007457B000-memory.dmp

                    memory/1764-85-0x0000000000400000-0x00000000005DF000-memory.dmp

                    memory/1764-62-0x0000000000780000-0x0000000000821000-memory.dmp

                    memory/1764-63-0x0000000000400000-0x00000000005DF000-memory.dmp

                    memory/1764-101-0x0000000000698000-0x00000000006F5000-memory.dmp

                    memory/1764-54-0x0000000000698000-0x00000000006F5000-memory.dmp

                    memory/1764-84-0x0000000000698000-0x00000000006F5000-memory.dmp

                    memory/1764-61-0x0000000000698000-0x00000000006F5000-memory.dmp

                    memory/1764-102-0x0000000000400000-0x00000000005DF000-memory.dmp

                    memory/1780-86-0x0000000073790000-0x0000000073D3B000-memory.dmp

                    memory/1780-81-0x0000000073790000-0x0000000073D3B000-memory.dmp

                    memory/1832-108-0x0000000000030000-0x00000000000FC000-memory.dmp