Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2022, 15:02

General

  • Target
    file.exe
  • Size 802KB
  • Sample221102-sefxqsccel
  • SHA256 b4b8d49ce8ac2c756f6d65399e71a15fc46814f4aee055bcc99cbb7d1d50cd88
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

C2
  • 45.142.212.245:15536

Attributes
  • auth_value

    fb1de879c48ed88b0b3d95be8ac26793

Signatures

  • RedLine

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Windows\SysWOW64\bitsadmin.exe
      bitsadmin bitsadmin bitsadmin bitsadmin bitsadmin bitsadmin bitsadmin
      2⤵
        PID:3956
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cmd < Street.eps & ping -n 5 localhost
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:792
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4284
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist /FI "imagename eq AvastUI.exe"
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:2744
          • C:\Windows\SysWOW64\find.exe
            find /I /N "avastui.exe"
            4⤵
              PID:4880
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist /FI "imagename eq AVGUI.exe"
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:4924
            • C:\Windows\SysWOW64\find.exe
              find /I /N "avgui.exe"
              4⤵
                PID:4864
              • C:\Windows\SysWOW64\findstr.exe
                findstr /V /R "^CiEyGyHZjwhzv$" Pharmaceuticals.eps
                4⤵
                  PID:4848
                • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Engage.exe.pif
                  Engage.exe.pif z
                  4⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of WriteProcessMemory
                  PID:4748
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
                    C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
                    5⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:4956
                • C:\Windows\SysWOW64\PING.EXE
                  ping localhost -n 5
                  4⤵
                  • Runs ping.exe
                  PID:3320
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 5 localhost
                3⤵
                • Runs ping.exe
                PID:4356

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                Engage.exe.pif

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Engage.exe.pif
                • Size 924KB
                • SHA256 3e26723394ade92f8163b5643960189cb07358b0f96529a477d37176d68aa0a0
                • MD5 SHA1 SHA512 SSDEEP

                Engage.exe.pif

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Engage.exe.pif
                • Size 924KB
                • SHA256 3e26723394ade92f8163b5643960189cb07358b0f96529a477d37176d68aa0a0
                • MD5 SHA1 SHA512 SSDEEP

                Pharmaceuticals.eps

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Pharmaceuticals.eps
                • Size 924KB
                • SHA256 be95b12e8496d96807678b1aff19b5743bb2a4d3b0f7f8b182d72cc6d010af6d
                • MD5 SHA1 SHA512 SSDEEP

                Regulations.eps

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Regulations.eps
                • Size 714KB
                • SHA256 248d524bd68f88bbca665bb61fb545f9ea5a87d25ea38f2bb309d1a6bf77ff51
                • MD5 SHA1 SHA512 SSDEEP

                Street.eps

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Street.eps
                • Size 11KB
                • SHA256 7c4debb31b795c303d7c5864cab7113dc03ec3dd289cbf4871b2a00b9413adcc
                • MD5 SHA1 SHA512 SSDEEP

                wnJsYhLhyWk.dll

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wnJsYhLhyWk.dll
                • Size 1.6MB
                • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
                • MD5 SHA1 SHA512 SSDEEP

                wnJsYhLhyWk.dll

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wnJsYhLhyWk.dll
                • Size 1.6MB
                • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
                • MD5 SHA1 SHA512 SSDEEP

                wnJsYhLhyWk.dll

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wnJsYhLhyWk.dll
                • Size 1.6MB
                • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
                • MD5 SHA1 SHA512 SSDEEP

                wnJsYhLhyWk.dll

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wnJsYhLhyWk.dll
                • Size 1.6MB
                • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
                • MD5 SHA1 SHA512 SSDEEP

                wnJsYhLhyWk.dll

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wnJsYhLhyWk.dll
                • Size 1.6MB
                • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
                • MD5 SHA1 SHA512 SSDEEP

                wnJsYhLhyWk.dll

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\wnJsYhLhyWk.dll
                • Size 1.6MB
                • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
                • MD5 SHA1 SHA512 SSDEEP

                memory/4956-153-0x0000000000500000-0x0000000000538000-memory.dmp

                memory/4956-157-0x0000000004F40000-0x0000000005558000-memory.dmp

                memory/4956-158-0x0000000004980000-0x0000000004992000-memory.dmp

                memory/4956-159-0x0000000004AB0000-0x0000000004BBA000-memory.dmp

                memory/4956-160-0x0000000004A20000-0x0000000004A5C000-memory.dmp

                memory/4956-161-0x0000000004D30000-0x0000000004D96000-memory.dmp

                memory/4956-162-0x0000000005E10000-0x00000000063B4000-memory.dmp

                memory/4956-163-0x0000000005910000-0x00000000059A2000-memory.dmp

                memory/4956-164-0x0000000006790000-0x0000000006952000-memory.dmp

                memory/4956-165-0x00000000073A0000-0x00000000078CC000-memory.dmp

                memory/4956-166-0x0000000006640000-0x00000000066B6000-memory.dmp

                memory/4956-167-0x00000000065C0000-0x00000000065DE000-memory.dmp

                memory/4956-168-0x0000000006710000-0x0000000006760000-memory.dmp