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Analysis

  • max time kernel
    157s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27/08/2021, 16:02

General

  • Target

    b7e27567f201a840d0f9c12cf0a2d734.exe

  • Size

    264KB

  • MD5

    b7e27567f201a840d0f9c12cf0a2d734

  • SHA1

    1bc2fd9116bffab627b0ea37ff0bb7c49726b9a5

  • SHA256

    eedbfa19e0dea5bf1cb8ddd108ecc4ddc8a67481fafa759e588da3125228992e

  • SHA512

    30b0f5c7297e83c0ebeef938eea9edc18cc7149d1aef6a1eaa16c83d0f03167bd9fe8bb3a1f21a614af81c589e82a505a3f9d4e98934c7d452bec95eab205aac

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

pro

C2

95.217.117.91:49317

Extracted

Family

redline

Botnet

MIX

C2

manazyxsa.xyz:80

Extracted

Family

redline

Botnet

WORD1

C2

94.26.249.88:1902

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 10 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Creates new service(s) 1 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Modifies Windows Firewall 1 TTPs
  • 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.

  • 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 1 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7e27567f201a840d0f9c12cf0a2d734.exe
    "C:\Users\Admin\AppData\Local\Temp\b7e27567f201a840d0f9c12cf0a2d734.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\b7e27567f201a840d0f9c12cf0a2d734.exe
      "C:\Users\Admin\AppData\Local\Temp\b7e27567f201a840d0f9c12cf0a2d734.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1996
  • C:\Users\Admin\AppData\Local\Temp\C12.exe
    C:\Users\Admin\AppData\Local\Temp\C12.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1524
  • C:\Users\Admin\AppData\Local\Temp\D2B.exe
    C:\Users\Admin\AppData\Local\Temp\D2B.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:844
  • C:\Users\Admin\AppData\Local\Temp\100A.exe
    C:\Users\Admin\AppData\Local\Temp\100A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fvcnyonv\
      2⤵
        PID:272
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xvfddtcs.exe" C:\Windows\SysWOW64\fvcnyonv\
        2⤵
          PID:1940
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create fvcnyonv binPath= "C:\Windows\SysWOW64\fvcnyonv\xvfddtcs.exe /d\"C:\Users\Admin\AppData\Local\Temp\100A.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:972
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description fvcnyonv "wifi internet conection"
            2⤵
              PID:540
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start fvcnyonv
              2⤵
                PID:1604
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:560
              • C:\Users\Admin\AppData\Local\Temp\213A.exe
                C:\Users\Admin\AppData\Local\Temp\213A.exe
                1⤵
                • Executes dropped EXE
                PID:1116
              • C:\Users\Admin\AppData\Local\Temp\239B.exe
                C:\Users\Admin\AppData\Local\Temp\239B.exe
                1⤵
                • Executes dropped EXE
                PID:1900
                • C:\Users\Admin\AppData\Local\Temp\239B.exe
                  C:\Users\Admin\AppData\Local\Temp\239B.exe
                  2⤵
                    PID:1496
                  • C:\Users\Admin\AppData\Local\Temp\239B.exe
                    C:\Users\Admin\AppData\Local\Temp\239B.exe
                    2⤵
                      PID:780
                    • C:\Users\Admin\AppData\Local\Temp\239B.exe
                      C:\Users\Admin\AppData\Local\Temp\239B.exe
                      2⤵
                        PID:1772
                      • C:\Users\Admin\AppData\Local\Temp\239B.exe
                        C:\Users\Admin\AppData\Local\Temp\239B.exe
                        2⤵
                          PID:1572
                        • C:\Users\Admin\AppData\Local\Temp\239B.exe
                          C:\Users\Admin\AppData\Local\Temp\239B.exe
                          2⤵
                            PID:980
                          • C:\Users\Admin\AppData\Local\Temp\239B.exe
                            C:\Users\Admin\AppData\Local\Temp\239B.exe
                            2⤵
                              PID:1728
                          • C:\Users\Admin\AppData\Local\Temp\24B5.exe
                            C:\Users\Admin\AppData\Local\Temp\24B5.exe
                            1⤵
                            • Executes dropped EXE
                            PID:1708
                            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                              "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegSvcs.exe"
                              2⤵
                                PID:864
                            • C:\Users\Admin\AppData\Local\Temp\2ABE.exe
                              C:\Users\Admin\AppData\Local\Temp\2ABE.exe
                              1⤵
                              • Executes dropped EXE
                              PID:848
                            • C:\Windows\SysWOW64\fvcnyonv\xvfddtcs.exe
                              C:\Windows\SysWOW64\fvcnyonv\xvfddtcs.exe /d"C:\Users\Admin\AppData\Local\Temp\100A.exe"
                              1⤵
                                PID:1728
                                • C:\Windows\SysWOW64\svchost.exe
                                  svchost.exe
                                  2⤵
                                    PID:1180
                                • C:\Users\Admin\AppData\Local\Temp\35B7.exe
                                  C:\Users\Admin\AppData\Local\Temp\35B7.exe
                                  1⤵
                                    PID:272
                                  • C:\Windows\SysWOW64\explorer.exe
                                    C:\Windows\SysWOW64\explorer.exe
                                    1⤵
                                      PID:824
                                    • C:\Windows\explorer.exe
                                      C:\Windows\explorer.exe
                                      1⤵
                                        PID:1384
                                      • C:\Windows\SysWOW64\explorer.exe
                                        C:\Windows\SysWOW64\explorer.exe
                                        1⤵
                                          PID:1800
                                        • C:\Windows\explorer.exe
                                          C:\Windows\explorer.exe
                                          1⤵
                                            PID:1528
                                          • C:\Windows\SysWOW64\explorer.exe
                                            C:\Windows\SysWOW64\explorer.exe
                                            1⤵
                                              PID:1688
                                            • C:\Windows\explorer.exe
                                              C:\Windows\explorer.exe
                                              1⤵
                                                PID:296
                                              • C:\Windows\SysWOW64\explorer.exe
                                                C:\Windows\SysWOW64\explorer.exe
                                                1⤵
                                                  PID:1684
                                                • C:\Windows\explorer.exe
                                                  C:\Windows\explorer.exe
                                                  1⤵
                                                    PID:1992
                                                  • C:\Windows\SysWOW64\explorer.exe
                                                    C:\Windows\SysWOW64\explorer.exe
                                                    1⤵
                                                      PID:1384

                                                    Network

                                                    MITRE ATT&CK Enterprise v6

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    • memory/272-134-0x00000000024F0000-0x000000000250E000-memory.dmp

                                                      Filesize

                                                      120KB

                                                    • memory/272-131-0x00000000065F1000-0x00000000065F2000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/272-133-0x00000000065F3000-0x00000000065F4000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/272-132-0x00000000065F2000-0x00000000065F3000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/272-128-0x0000000000400000-0x00000000023BF000-memory.dmp

                                                      Filesize

                                                      31.7MB

                                                    • memory/272-127-0x00000000003E0000-0x0000000000400000-memory.dmp

                                                      Filesize

                                                      128KB

                                                    • memory/272-125-0x0000000000220000-0x0000000000250000-memory.dmp

                                                      Filesize

                                                      192KB

                                                    • memory/272-155-0x00000000065F4000-0x00000000065F6000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/296-171-0x0000000000070000-0x0000000000076000-memory.dmp

                                                      Filesize

                                                      24KB

                                                    • memory/296-173-0x0000000000060000-0x000000000006C000-memory.dmp

                                                      Filesize

                                                      48KB

                                                    • memory/824-154-0x0000000000080000-0x00000000000EB000-memory.dmp

                                                      Filesize

                                                      428KB

                                                    • memory/824-153-0x00000000000F0000-0x0000000000164000-memory.dmp

                                                      Filesize

                                                      464KB

                                                    • memory/824-143-0x00000000737E1000-0x00000000737E3000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/844-77-0x0000000000400000-0x00000000023EB000-memory.dmp

                                                      Filesize

                                                      31.9MB

                                                    • memory/844-74-0x00000000002E0000-0x000000000036F000-memory.dmp

                                                      Filesize

                                                      572KB

                                                    • memory/848-111-0x0000000000400000-0x00000000023AC000-memory.dmp

                                                      Filesize

                                                      31.7MB

                                                    • memory/848-109-0x0000000000020000-0x0000000000039000-memory.dmp

                                                      Filesize

                                                      100KB

                                                    • memory/864-204-0x0000000000400000-0x0000000000420000-memory.dmp

                                                      Filesize

                                                      128KB

                                                    • memory/864-206-0x0000000000400000-0x0000000000420000-memory.dmp

                                                      Filesize

                                                      128KB

                                                    • memory/980-203-0x0000000004A50000-0x0000000004A51000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1180-120-0x00000000000E0000-0x00000000000F5000-memory.dmp

                                                      Filesize

                                                      84KB

                                                    • memory/1220-64-0x0000000002A50000-0x0000000002A66000-memory.dmp

                                                      Filesize

                                                      88KB

                                                    • memory/1384-194-0x0000000000110000-0x0000000000115000-memory.dmp

                                                      Filesize

                                                      20KB

                                                    • memory/1384-195-0x0000000000100000-0x0000000000109000-memory.dmp

                                                      Filesize

                                                      36KB

                                                    • memory/1384-129-0x0000000000070000-0x0000000000077000-memory.dmp

                                                      Filesize

                                                      28KB

                                                    • memory/1384-130-0x0000000000060000-0x000000000006C000-memory.dmp

                                                      Filesize

                                                      48KB

                                                    • memory/1496-157-0x00000000049C0000-0x00000000049C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1496-118-0x0000000000400000-0x0000000000422000-memory.dmp

                                                      Filesize

                                                      136KB

                                                    • memory/1496-114-0x0000000000400000-0x0000000000422000-memory.dmp

                                                      Filesize

                                                      136KB

                                                    • memory/1528-79-0x0000000000400000-0x00000000023AC000-memory.dmp

                                                      Filesize

                                                      31.7MB

                                                    • memory/1528-78-0x0000000000020000-0x0000000000033000-memory.dmp

                                                      Filesize

                                                      76KB

                                                    • memory/1528-145-0x0000000000060000-0x000000000006F000-memory.dmp

                                                      Filesize

                                                      60KB

                                                    • memory/1528-144-0x0000000000070000-0x0000000000079000-memory.dmp

                                                      Filesize

                                                      36KB

                                                    • memory/1572-192-0x00000000003A0000-0x00000000003A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1660-63-0x0000000000020000-0x000000000002A000-memory.dmp

                                                      Filesize

                                                      40KB

                                                    • memory/1684-179-0x0000000000090000-0x0000000000094000-memory.dmp

                                                      Filesize

                                                      16KB

                                                    • memory/1684-180-0x0000000000080000-0x0000000000089000-memory.dmp

                                                      Filesize

                                                      36KB

                                                    • memory/1688-163-0x0000000000090000-0x0000000000095000-memory.dmp

                                                      Filesize

                                                      20KB

                                                    • memory/1688-165-0x0000000000080000-0x0000000000089000-memory.dmp

                                                      Filesize

                                                      36KB

                                                    • memory/1708-100-0x00000000010A0000-0x00000000010A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1708-110-0x0000000004E20000-0x0000000004E21000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1708-152-0x0000000000540000-0x0000000000553000-memory.dmp

                                                      Filesize

                                                      76KB

                                                    • memory/1728-123-0x0000000000400000-0x00000000023AC000-memory.dmp

                                                      Filesize

                                                      31.7MB

                                                    • memory/1772-172-0x00000000006F0000-0x00000000006F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1800-160-0x0000000000080000-0x000000000008B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1800-159-0x0000000000090000-0x0000000000097000-memory.dmp

                                                      Filesize

                                                      28KB

                                                    • memory/1900-105-0x0000000000400000-0x0000000000401000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1900-98-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1992-188-0x0000000000070000-0x0000000000075000-memory.dmp

                                                      Filesize

                                                      20KB

                                                    • memory/1992-190-0x0000000000060000-0x0000000000069000-memory.dmp

                                                      Filesize

                                                      36KB

                                                    • memory/1996-62-0x00000000762C1000-0x00000000762C3000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/1996-60-0x0000000000400000-0x0000000000409000-memory.dmp

                                                      Filesize

                                                      36KB