Analysis

  • max time kernel
    159s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    29/08/2021, 22:30

General

  • Target

    c9facdcf31e12cfacabdd7a50bc8e4c8.exe

  • Size

    140KB

  • MD5

    c9facdcf31e12cfacabdd7a50bc8e4c8

  • SHA1

    eb85d2228cab428c24ef6ccf615e998c29aa7650

  • SHA256

    48d81158ea4d8260ab5c9743eb37e81d184eecd48f5747a26f1689cc4bb0b286

  • SHA512

    d03166813301e05e88dc8b7a0604ea59f243d551b2d8b034075d1de4c79f3b8b2009ad96e7bd301a6e9d75bdea9036d1c4a74ace43e2e5ca549119c50c023c29

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

zz

C2

185.167.97.37:30902

Extracted

Family

raccoon

Botnet

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Nirsoft 7 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 9 IoCs
  • 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.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9facdcf31e12cfacabdd7a50bc8e4c8.exe
    "C:\Users\Admin\AppData\Local\Temp\c9facdcf31e12cfacabdd7a50bc8e4c8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\c9facdcf31e12cfacabdd7a50bc8e4c8.exe
      "C:\Users\Admin\AppData\Local\Temp\c9facdcf31e12cfacabdd7a50bc8e4c8.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1812
  • C:\Users\Admin\AppData\Local\Temp\4C2D.exe
    C:\Users\Admin\AppData\Local\Temp\4C2D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1324
  • C:\Users\Admin\AppData\Local\Temp\4D56.exe
    C:\Users\Admin\AppData\Local\Temp\4D56.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1336
  • C:\Users\Admin\AppData\Local\Temp\A305.exe
    C:\Users\Admin\AppData\Local\Temp\A305.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\A305.exe
      C:\Users\Admin\AppData\Local\Temp\A305.exe
      2⤵
      • Executes dropped EXE
      PID:1580
    • C:\Users\Admin\AppData\Local\Temp\A305.exe
      C:\Users\Admin\AppData\Local\Temp\A305.exe
      2⤵
      • Executes dropped EXE
      PID:1608
    • C:\Users\Admin\AppData\Local\Temp\A305.exe
      C:\Users\Admin\AppData\Local\Temp\A305.exe
      2⤵
        PID:1568
      • C:\Users\Admin\AppData\Local\Temp\A305.exe
        C:\Users\Admin\AppData\Local\Temp\A305.exe
        2⤵
          PID:684
        • C:\Users\Admin\AppData\Local\Temp\A305.exe
          C:\Users\Admin\AppData\Local\Temp\A305.exe
          2⤵
            PID:2000
          • C:\Users\Admin\AppData\Local\Temp\A305.exe
            C:\Users\Admin\AppData\Local\Temp\A305.exe
            2⤵
              PID:1652
            • C:\Users\Admin\AppData\Local\Temp\A305.exe
              C:\Users\Admin\AppData\Local\Temp\A305.exe
              2⤵
                PID:1804
              • C:\Users\Admin\AppData\Local\Temp\A305.exe
                C:\Users\Admin\AppData\Local\Temp\A305.exe
                2⤵
                  PID:2064
              • C:\Users\Admin\AppData\Local\Temp\AE9A.exe
                C:\Users\Admin\AppData\Local\Temp\AE9A.exe
                1⤵
                • Executes dropped EXE
                PID:1696
              • C:\Users\Admin\AppData\Local\Temp\B09E.exe
                C:\Users\Admin\AppData\Local\Temp\B09E.exe
                1⤵
                • Executes dropped EXE
                PID:324
                • C:\Users\Admin\AppData\Local\Temp\73f7eabc-45ca-4887-ae93-b6779b2496ee\AdvancedRun.exe
                  "C:\Users\Admin\AppData\Local\Temp\73f7eabc-45ca-4887-ae93-b6779b2496ee\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\73f7eabc-45ca-4887-ae93-b6779b2496ee\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
                  2⤵
                    PID:480
                    • C:\Users\Admin\AppData\Local\Temp\73f7eabc-45ca-4887-ae93-b6779b2496ee\AdvancedRun.exe
                      "C:\Users\Admin\AppData\Local\Temp\73f7eabc-45ca-4887-ae93-b6779b2496ee\AdvancedRun.exe" /SpecialRun 4101d8 480
                      3⤵
                        PID:1416
                    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\B09E.exe" -Force
                      2⤵
                        PID:1012
                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\B09E.exe" -Force
                        2⤵
                          PID:1412
                      • C:\Users\Admin\AppData\Local\Temp\BCCF.exe
                        C:\Users\Admin\AppData\Local\Temp\BCCF.exe
                        1⤵
                        • Executes dropped EXE
                        PID:1980
                      • C:\Users\Admin\AppData\Local\Temp\C7A9.exe
                        C:\Users\Admin\AppData\Local\Temp\C7A9.exe
                        1⤵
                          PID:1832
                        • C:\Users\Admin\AppData\Local\Temp\D85C.exe
                          C:\Users\Admin\AppData\Local\Temp\D85C.exe
                          1⤵
                            PID:1020
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\SysWOW64\explorer.exe
                            1⤵
                              PID:1396
                            • C:\Windows\explorer.exe
                              C:\Windows\explorer.exe
                              1⤵
                                PID:1412
                              • C:\Windows\SysWOW64\explorer.exe
                                C:\Windows\SysWOW64\explorer.exe
                                1⤵
                                  PID:1900

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • memory/324-117-0x0000000000C60000-0x0000000000CD2000-memory.dmp

                                  Filesize

                                  456KB

                                • memory/324-111-0x0000000004A30000-0x0000000004A31000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/324-96-0x00000000009B0000-0x00000000009B1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1020-161-0x0000000006090000-0x0000000006091000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1020-136-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

                                  Filesize

                                  3.8MB

                                • memory/1020-147-0x0000000000EF0000-0x0000000000EF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1208-64-0x0000000002AC0000-0x0000000002AD6000-memory.dmp

                                  Filesize

                                  88KB

                                • memory/1288-63-0x0000000000220000-0x000000000022A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/1336-73-0x0000000000400000-0x0000000001DC8000-memory.dmp

                                  Filesize

                                  25.8MB

                                • memory/1336-72-0x0000000000320000-0x00000000003AF000-memory.dmp

                                  Filesize

                                  572KB

                                • memory/1396-178-0x00000000000F0000-0x0000000000164000-memory.dmp

                                  Filesize

                                  464KB

                                • memory/1396-179-0x0000000000080000-0x00000000000EB000-memory.dmp

                                  Filesize

                                  428KB

                                • memory/1396-170-0x000000006F161000-0x000000006F163000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1412-177-0x00000000000E0000-0x00000000000EC000-memory.dmp

                                  Filesize

                                  48KB

                                • memory/1412-174-0x00000000000F0000-0x00000000000F7000-memory.dmp

                                  Filesize

                                  28KB

                                • memory/1608-104-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/1608-121-0x0000000001010000-0x0000000001011000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1608-100-0x0000000000400000-0x0000000000422000-memory.dmp

                                  Filesize

                                  136KB

                                • memory/1696-152-0x00000000010A0000-0x00000000010A1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1696-162-0x0000000000E70000-0x0000000000E71000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1812-62-0x00000000750C1000-0x00000000750C3000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1812-60-0x0000000000400000-0x0000000000409000-memory.dmp

                                  Filesize

                                  36KB

                                • memory/1900-183-0x000000006CF51000-0x000000006CF53000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/1980-107-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                  Filesize

                                  25.7MB

                                • memory/1980-106-0x0000000000230000-0x00000000002BF000-memory.dmp

                                  Filesize

                                  572KB

                                • memory/2000-158-0x00000000004D0000-0x00000000004D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2028-84-0x0000000001070000-0x0000000001071000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2028-87-0x00000000048A0000-0x00000000048A1000-memory.dmp

                                  Filesize

                                  4KB