Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    05/08/2021, 15:12

General

  • Target
    0dc17a7930543d9bd7efde343ba4a5a7.exe
  • Size 202KB
  • Sample210805-61e6d1vb9e
  • SHA256 46913d3c837854eaf6e793c2b7cfc401ea00e3defba2bdab2f3b8982598e9903
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://readinglistforjuly1.xyz/

  • http://readinglistforjuly2.xyz/

  • http://readinglistforjuly3.xyz/

  • http://readinglistforjuly4.xyz/

  • http://readinglistforjuly5.xyz/

  • http://readinglistforjuly6.xyz/

  • http://readinglistforjuly7.xyz/

  • http://readinglistforjuly8.xyz/

  • http://readinglistforjuly9.xyz/

  • http://readinglistforjuly10.xyz/

  • http://readinglistforjuly1.site/

  • http://readinglistforjuly2.site/

  • http://readinglistforjuly3.site/

  • http://readinglistforjuly4.site/

  • http://readinglistforjuly5.site/

  • http://readinglistforjuly6.site/

  • http://readinglistforjuly7.site/

  • http://readinglistforjuly8.site/

  • http://readinglistforjuly9.site/

  • http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family
  • vidar

Version
  • 39.9

Botnet
  • 408

C2
  • https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    408

Extracted

Family
  • raccoon

Botnet
  • cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Extracted

Family
  • redline

C2
  • 95.217.140.34:18653

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon Stealer Payload 4 IoCs
  • RedLine

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

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

  • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Vidar Stealer 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 7 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.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dc17a7930543d9bd7efde343ba4a5a7.exe
    "C:\Users\Admin\AppData\Local\Temp\0dc17a7930543d9bd7efde343ba4a5a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\0dc17a7930543d9bd7efde343ba4a5a7.exe
      "C:\Users\Admin\AppData\Local\Temp\0dc17a7930543d9bd7efde343ba4a5a7.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2724
  • C:\Users\Admin\AppData\Local\Temp\CC1F.exe
    C:\Users\Admin\AppData\Local\Temp\CC1F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Windows\SysWOW64\dllhost.exe
      "C:\Windows\System32\dllhost.exe"
      2⤵
        PID:3780
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c cmd < Perisce.jar
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2140
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:508
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^RjxbYtQhXRvMStXsrWjZzMEutIshVobYBYKPlbziZPusCiQZrGYjUBLtHgafMCaOxblTxouFDtZDGjDXRslgl$" Presto.jar
            4⤵
              PID:3276
            • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Preme.exe.com
              Preme.exe.com r
              4⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:1796
              • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Preme.exe.com
                C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Preme.exe.com r
                5⤵
                • Executes dropped EXE
                • Drops startup file
                • Suspicious use of SetThreadContext
                • Suspicious behavior: MapViewOfSection
                PID:2508
                • C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\RegAsm.exe
                  C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\RegAsm.exe 
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1228
            • C:\Windows\SysWOW64\PING.EXE
              ping localhost -n 30
              4⤵
              • Runs ping.exe
              PID:3920
      • C:\Users\Admin\AppData\Local\Temp\CD0B.exe
        C:\Users\Admin\AppData\Local\Temp\CD0B.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4056
      • C:\Users\Admin\AppData\Local\Temp\2221.exe
        C:\Users\Admin\AppData\Local\Temp\2221.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Modifies system certificate store
        PID:3988
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im 2221.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2221.exe" & del C:\ProgramData\*.dll & exit
          2⤵
            PID:2700
            • C:\Windows\System32\Conhost.exe
              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
              3⤵
                PID:3520
              • C:\Windows\SysWOW64\taskkill.exe
                taskkill /im 2221.exe /f
                3⤵
                • Kills process with taskkill
                • Suspicious use of AdjustPrivilegeToken
                PID:3604
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 6
                3⤵
                • Delays execution with timeout.exe
                PID:4052
          • C:\Users\Admin\AppData\Local\Temp\29D3.exe
            C:\Users\Admin\AppData\Local\Temp\29D3.exe
            1⤵
            • Executes dropped EXE
            • Checks BIOS information in registry
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of AdjustPrivilegeToken
            PID:3864
          • C:\Users\Admin\AppData\Local\Temp\2DCB.exe
            C:\Users\Admin\AppData\Local\Temp\2DCB.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:2292
          • C:\Users\Admin\AppData\Local\Temp\31E3.exe
            C:\Users\Admin\AppData\Local\Temp\31E3.exe
            1⤵
            • Executes dropped EXE
            PID:1216
          • C:\Users\Admin\AppData\Local\Temp\3530.exe
            C:\Users\Admin\AppData\Local\Temp\3530.exe
            1⤵
            • Executes dropped EXE
            PID:936
          • C:\Users\Admin\AppData\Local\Temp\3CA3.exe
            C:\Users\Admin\AppData\Local\Temp\3CA3.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4044
            • C:\Users\Admin\AppData\Roaming\xGbPvlnwIPca.exe
              "C:\Users\Admin\AppData\Roaming\xGbPvlnwIPca.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:424
          • C:\Users\Admin\AppData\Local\Temp\4659.exe
            C:\Users\Admin\AppData\Local\Temp\4659.exe
            1⤵
            • Executes dropped EXE
            PID:2552
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3520
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2616
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1016
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:576
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2492
                    • C:\Windows\explorer.exe
                      C:\Windows\explorer.exe
                      1⤵
                        PID:3632
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:1232
                        • C:\Windows\explorer.exe
                          C:\Windows\explorer.exe
                          1⤵
                            PID:1224
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\SysWOW64\explorer.exe
                            1⤵
                              PID:3760

                            Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

                                  memory/424-224-0x0000000007230000-0x0000000007231000-memory.dmp

                                  memory/424-178-0x0000000000370000-0x0000000000371000-memory.dmp

                                  memory/424-191-0x0000000004B00000-0x0000000005106000-memory.dmp

                                  memory/576-210-0x00000000003F0000-0x00000000003F9000-memory.dmp

                                  memory/576-211-0x00000000003E0000-0x00000000003EF000-memory.dmp

                                  memory/936-194-0x0000000000400000-0x0000000002CB4000-memory.dmp

                                  memory/996-116-0x0000000002C70000-0x0000000002DBA000-memory.dmp

                                  memory/1016-208-0x0000000000330000-0x000000000033B000-memory.dmp

                                  memory/1016-205-0x0000000000340000-0x0000000000347000-memory.dmp

                                  memory/1216-190-0x0000000000400000-0x0000000002CB4000-memory.dmp

                                  memory/1224-237-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

                                  memory/1224-236-0x0000000000DD0000-0x0000000000DD5000-memory.dmp

                                  memory/1228-253-0x0000000000400000-0x000000000040A000-memory.dmp

                                  memory/1228-262-0x0000000005000000-0x00000000054FE000-memory.dmp

                                  memory/1228-260-0x0000000005000000-0x00000000054FE000-memory.dmp

                                  memory/1228-261-0x0000000005C20000-0x0000000005C21000-memory.dmp

                                  memory/1232-233-0x0000000000B80000-0x0000000000B89000-memory.dmp

                                  memory/1232-232-0x0000000000B90000-0x0000000000B94000-memory.dmp

                                  memory/2180-117-0x0000000001110000-0x0000000001126000-memory.dmp

                                  memory/2292-172-0x0000000000400000-0x0000000002CB4000-memory.dmp

                                  memory/2292-171-0x0000000004960000-0x00000000049F1000-memory.dmp

                                  memory/2492-216-0x0000000000380000-0x0000000000385000-memory.dmp

                                  memory/2492-217-0x0000000000370000-0x0000000000379000-memory.dmp

                                  memory/2508-258-0x0000000001900000-0x0000000001902000-memory.dmp

                                  memory/2508-257-0x00000000017B0000-0x00000000018FA000-memory.dmp

                                  memory/2552-186-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

                                  memory/2616-201-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

                                  memory/2616-200-0x0000000000BD0000-0x0000000000BD7000-memory.dmp

                                  memory/2724-114-0x0000000000400000-0x0000000000409000-memory.dmp

                                  memory/3520-196-0x0000000000D00000-0x0000000000D6B000-memory.dmp

                                  memory/3520-195-0x0000000000D70000-0x0000000000DE4000-memory.dmp

                                  memory/3632-226-0x0000000000100000-0x000000000010C000-memory.dmp

                                  memory/3632-225-0x0000000000110000-0x0000000000116000-memory.dmp

                                  memory/3760-243-0x00000000033B0000-0x00000000033B9000-memory.dmp

                                  memory/3760-241-0x00000000033C0000-0x00000000033C5000-memory.dmp

                                  memory/3864-215-0x0000000007100000-0x0000000007101000-memory.dmp

                                  memory/3864-159-0x00000000056F0000-0x00000000056F1000-memory.dmp

                                  memory/3864-234-0x00000000070D0000-0x00000000070D1000-memory.dmp

                                  memory/3864-213-0x0000000006A00000-0x0000000006A01000-memory.dmp

                                  memory/3864-175-0x0000000005940000-0x0000000005941000-memory.dmp

                                  memory/3864-230-0x0000000006EF0000-0x0000000006EF1000-memory.dmp

                                  memory/3864-228-0x0000000006DD0000-0x0000000006DD1000-memory.dmp

                                  memory/3864-150-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

                                  memory/3864-152-0x0000000000270000-0x0000000000271000-memory.dmp

                                  memory/3864-157-0x0000000005DE0000-0x0000000005DE1000-memory.dmp

                                  memory/3864-221-0x0000000006BD0000-0x0000000006BD1000-memory.dmp

                                  memory/3864-165-0x00000000057C0000-0x00000000057C1000-memory.dmp

                                  memory/3864-164-0x00000000057D0000-0x00000000057D1000-memory.dmp

                                  memory/3864-163-0x0000000005750000-0x0000000005751000-memory.dmp

                                  memory/3988-158-0x0000000000400000-0x0000000002CC4000-memory.dmp

                                  memory/3988-151-0x0000000004800000-0x000000000489D000-memory.dmp

                                  memory/4044-169-0x0000000000C20000-0x0000000000C21000-memory.dmp

                                  memory/4044-173-0x000000001B810000-0x000000001B812000-memory.dmp