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
    271s
  • max time network
    302s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    18/10/2022, 03:34

General

  • Target
    be9d0c8a2051d70d4434e034647c8b675a38c1f08252c94c1620fbe663bd853b.exe
  • Size 521KB
  • Sample221018-d417mseefj
  • 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
  • Modifies data under HKEY_USERS 2 IoCs
  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 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:3500
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c net user %username%
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Windows\SysWOW64\net.exe
        net user Admin
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4464
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 user Admin
          4⤵
            PID:3064
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell.exe Set-ExecutionPolicy bypass -Force
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5044
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe Set-ExecutionPolicy bypass -Force
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1324
      • 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:4940
        • 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:376
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell.exe C:\Windows\SvcManager\las.ps1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3624
        • 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:4536
          • C:\Windows\SysWOW64\SecEdit.exe
            "C:\Windows\system32\SecEdit.exe" /export /cfg tempexport.inf
            4⤵
            • Drops file in Windows directory
            PID:2372
          • C:\Windows\SysWOW64\SecEdit.exe
            "C:\Windows\system32\SecEdit.exe" /import /db secedit.sdb /cfg .\tempimport.inf
            4⤵
              PID:200
            • C:\Windows\SysWOW64\SecEdit.exe
              "C:\Windows\system32\SecEdit.exe" /configure /db secedit.sdb
              4⤵
                PID:3952
              • C:\Windows\SysWOW64\gpupdate.exe
                "C:\Windows\system32\gpupdate.exe" /force
                4⤵
                  PID:2592
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del /f C:\Windows\SvcManager\las.ps1
              2⤵
                PID:4328
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c cls
                2⤵
                  PID:4448
                • 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:4568
                  • 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:5076
                • 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:4172
                  • C:\Windows\SysWOW64\PING.EXE
                    ping 1.1.1.1 -n 1 -w 3000
                    3⤵
                    • Runs ping.exe
                    PID:4528
              • C:\Windows\SvcManager\svcmgr.exe
                C:\Windows\SvcManager\svcmgr.exe
                1⤵
                • Executes dropped EXE
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                PID:4556

              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 eb542ae9c791940e8e74833eb50543dbbcbc8bf8485698fad82a8b079546c8a7
                    • MD5 SHA1 SHA512

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 15KB
                    • SHA256 b2dcb659787376d41c30464131eedbaed0a1c878dc311a37c99ee986a69f0d80
                    • MD5 SHA1 SHA512 SSDEEP

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 18KB
                    • SHA256 36c25723288815020afee9366ce44ec87a1bad2b8fcfa6691dd0d6633ad39253
                    • 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/376-694-0x0000000009A10000-0x0000000009A18000-memory.dmp

                    memory/376-689-0x0000000009A20000-0x0000000009A3A000-memory.dmp

                    memory/1324-265-0x0000000006B00000-0x0000000006B22000-memory.dmp

                    memory/1324-268-0x0000000006BA0000-0x0000000006C06000-memory.dmp

                    memory/1324-382-0x0000000008F00000-0x0000000008F1A000-memory.dmp

                    memory/1324-303-0x0000000008DA0000-0x0000000008E45000-memory.dmp

                    memory/1324-294-0x0000000008A40000-0x0000000008A5E000-memory.dmp

                    memory/1324-293-0x0000000008C70000-0x0000000008CA3000-memory.dmp

                    memory/1324-243-0x0000000000F70000-0x0000000000FA6000-memory.dmp

                    memory/1324-248-0x0000000006C10000-0x0000000007238000-memory.dmp

                    memory/1324-307-0x0000000008F60000-0x0000000008FF4000-memory.dmp

                    memory/1324-278-0x0000000007C00000-0x0000000007C76000-memory.dmp

                    memory/1324-269-0x0000000007420000-0x0000000007486000-memory.dmp

                    memory/1324-270-0x00000000074E0000-0x0000000007830000-memory.dmp

                    memory/1324-274-0x0000000007990000-0x00000000079DB000-memory.dmp

                    memory/1324-273-0x0000000007300000-0x000000000731C000-memory.dmp

                    memory/3064-182-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-190-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-189-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-188-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-187-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-186-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-185-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-184-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3064-183-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-146-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-148-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-147-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-281-0x00000000005E0000-0x000000000068E000-memory.dmp

                    memory/3500-152-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-145-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-144-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-143-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-141-0x0000000002290000-0x0000000002331000-memory.dmp

                    memory/3500-121-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-142-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-140-0x00000000005E0000-0x000000000068E000-memory.dmp

                    memory/3500-139-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-138-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-137-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-136-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-311-0x0000000000400000-0x00000000005DF000-memory.dmp

                    memory/3500-135-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-134-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-133-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-282-0x0000000002290000-0x0000000002331000-memory.dmp

                    memory/3500-122-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-149-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-150-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-151-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-1056-0x0000000000400000-0x00000000005DF000-memory.dmp

                    memory/3500-157-0x0000000000400000-0x00000000005DF000-memory.dmp

                    memory/3500-123-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-120-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-153-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-132-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-131-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-130-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-129-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-128-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-126-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-125-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/3500-124-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4424-155-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4424-156-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4424-158-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4424-160-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4424-159-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-164-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-168-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-174-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-173-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-172-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-171-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-169-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-163-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-170-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-177-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-180-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-162-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-175-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-179-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-167-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-178-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-166-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-176-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4464-165-0x00000000778E0000-0x0000000077A6E000-memory.dmp

                    memory/4536-810-0x00000000094A0000-0x00000000094C2000-memory.dmp

                    memory/4536-795-0x0000000008620000-0x000000000866B000-memory.dmp

                    memory/4536-848-0x0000000007CE0000-0x0000000007CFE000-memory.dmp

                    memory/4536-840-0x000000000A8A0000-0x000000000AF18000-memory.dmp

                    memory/4536-811-0x0000000009D20000-0x000000000A21E000-memory.dmp

                    memory/4536-792-0x0000000007EF0000-0x0000000008240000-memory.dmp

                    memory/4556-953-0x0000020EA15F0000-0x0000020EA16BC000-memory.dmp

                    memory/4556-980-0x0000020EBAA30000-0x0000020EBAAD6000-memory.dmp

                    memory/4556-1009-0x0000020EBAB20000-0x0000020EBAB42000-memory.dmp

                    memory/5076-1023-0x0000000005630000-0x0000000005642000-memory.dmp

                    memory/5076-1025-0x0000000005690000-0x00000000056CE000-memory.dmp

                    memory/5076-1027-0x0000000005820000-0x000000000586B000-memory.dmp

                    memory/5076-1031-0x0000000005A20000-0x0000000005AB2000-memory.dmp

                    memory/5076-1041-0x0000000006DD0000-0x0000000006F92000-memory.dmp

                    memory/5076-1042-0x00000000074D0000-0x00000000079FC000-memory.dmp

                    memory/5076-1046-0x00000000070A0000-0x00000000070F0000-memory.dmp

                    memory/5076-1021-0x0000000005710000-0x000000000581A000-memory.dmp

                    memory/5076-1020-0x0000000005BD0000-0x00000000061D6000-memory.dmp

                    memory/5076-998-0x0000000000DF0000-0x0000000000E18000-memory.dmp