Analysis

  • max time kernel
    153s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19/08/2021, 07:01

General

  • Target
    2130f1150d0cd8a07241e24d5ffa4287.exe
  • Size 275KB
  • Sample210819-8w15wljf9e
  • SHA256 11d175a08e1f4fc351af4e4c2c0549168d4c235a497f3bc1f278e8cb46b972e1
  • MD5 SHA1 SHA512

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
  • b1a595eac9265caef93f4d54354e4e71594872f2

Attributes
  • url4cnc

    https://telete.in/hobaoparunjohnyrun2

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Botnet
  • fe582536ec580228180f270f7cb80a867860e010

Attributes
  • url4cnc

    https://telete.in/xylichanjk

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • #MIX 19.08

C2
  • gophamanapr.site:80

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 11 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 17 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Obfuscated with Agile.Net obfuscator 3 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 7 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe
    "C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:604
    • C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe
      "C:\Users\Admin\AppData\Local\Temp\2130f1150d0cd8a07241e24d5ffa4287.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3260
  • C:\Users\Admin\AppData\Local\Temp\C45F.exe
    C:\Users\Admin\AppData\Local\Temp\C45F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:2340
  • C:\Users\Admin\AppData\Local\Temp\C7AC.exe
    C:\Users\Admin\AppData\Local\Temp\C7AC.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1580
  • C:\Users\Admin\AppData\Local\Temp\CBB4.exe
    C:\Users\Admin\AppData\Local\Temp\CBB4.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\CBB4.exe
      C:\Users\Admin\AppData\Local\Temp\CBB4.exe
      2⤵
      • Executes dropped EXE
      PID:3984
  • C:\Users\Admin\AppData\Local\Temp\D143.exe
    C:\Users\Admin\AppData\Local\Temp\D143.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:660
  • C:\Users\Admin\AppData\Local\Temp\D607.exe
    C:\Users\Admin\AppData\Local\Temp\D607.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:820
  • C:\Users\Admin\AppData\Local\Temp\D84A.exe
    C:\Users\Admin\AppData\Local\Temp\D84A.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2332
  • C:\Users\Admin\AppData\Local\Temp\DE36.exe
    C:\Users\Admin\AppData\Local\Temp\DE36.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    PID:3992
    • C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:1116
      • C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe
        "C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe"
        3⤵
        • Executes dropped EXE
        PID:1256
      • C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe
        "C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe"
        3⤵
        • Executes dropped EXE
        PID:3124
      • C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe
        "C:\Users\Admin\AppData\Local\Temp\WindowsHelper.exe"
        3⤵
        • Executes dropped EXE
        PID:4084
    • C:\Users\Admin\AppData\Local\Temp\DE36.exe
      "C:\Users\Admin\AppData\Local\Temp\DE36.exe"
      2⤵
      • Executes dropped EXE
      PID:2248
  • C:\Users\Admin\AppData\Local\Temp\E3F4.exe
    C:\Users\Admin\AppData\Local\Temp\E3F4.exe
    1⤵
    • Executes dropped EXE
    PID:1916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 796
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 880
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 1032
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 1140
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 1180
      2⤵
      • Program crash
      PID:3164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 1220
      2⤵
      • Program crash
      PID:1980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 860
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      PID:3856
  • C:\Users\Admin\AppData\Local\Temp\E695.exe
    C:\Users\Admin\AppData\Local\Temp\E695.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3856
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:788
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1828
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3976
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2964
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3472
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1184
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:4040
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3784
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2296
                    • C:\Users\Admin\AppData\Roaming\bbjrjia
                      C:\Users\Admin\AppData\Roaming\bbjrjia
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:1356
                      • C:\Users\Admin\AppData\Roaming\bbjrjia
                        C:\Users\Admin\AppData\Roaming\bbjrjia
                        2⤵
                        • Executes dropped EXE
                        • Checks SCSI registry key(s)
                        PID:1464

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/604-114-0x0000000000030000-0x000000000003A000-memory.dmp

                          memory/660-151-0x0000000076F40000-0x00000000770CE000-memory.dmp

                          memory/660-218-0x00000000070C0000-0x00000000070C1000-memory.dmp

                          memory/660-157-0x0000000005C80000-0x0000000005C81000-memory.dmp

                          memory/660-219-0x00000000077C0000-0x00000000077C1000-memory.dmp

                          memory/660-224-0x0000000007300000-0x0000000007301000-memory.dmp

                          memory/660-170-0x0000000005E50000-0x0000000005E51000-memory.dmp

                          memory/660-141-0x0000000000910000-0x0000000000911000-memory.dmp

                          memory/788-201-0x0000000001050000-0x00000000010BB000-memory.dmp

                          memory/788-200-0x00000000010C0000-0x0000000001134000-memory.dmp

                          memory/820-180-0x00000000055A0000-0x00000000055A1000-memory.dmp

                          memory/820-167-0x0000000076F40000-0x00000000770CE000-memory.dmp

                          memory/820-161-0x0000000000370000-0x0000000000371000-memory.dmp

                          memory/1116-295-0x0000000004A90000-0x0000000004F8E000-memory.dmp

                          memory/1184-222-0x0000000000FF0000-0x0000000000FFC000-memory.dmp

                          memory/1184-221-0x0000000001200000-0x0000000001206000-memory.dmp

                          memory/1188-145-0x00000000054B0000-0x00000000054B1000-memory.dmp

                          memory/1188-160-0x0000000005C60000-0x0000000005C61000-memory.dmp

                          memory/1188-131-0x0000000000B10000-0x0000000000B11000-memory.dmp

                          memory/1188-153-0x0000000005750000-0x0000000005751000-memory.dmp

                          memory/1188-138-0x00000000054F0000-0x00000000054F1000-memory.dmp

                          memory/1580-143-0x0000000005CC0000-0x0000000005CC1000-memory.dmp

                          memory/1580-139-0x0000000005C20000-0x0000000005C21000-memory.dmp

                          memory/1580-130-0x0000000000A00000-0x0000000000A01000-memory.dmp

                          memory/1580-137-0x00000000062D0000-0x00000000062D1000-memory.dmp

                          memory/1580-158-0x0000000005C50000-0x0000000005C51000-memory.dmp

                          memory/1580-155-0x0000000005CB0000-0x0000000005CB1000-memory.dmp

                          memory/1580-129-0x0000000076F40000-0x00000000770CE000-memory.dmp

                          memory/1828-199-0x0000000001290000-0x0000000001297000-memory.dmp

                          memory/1828-202-0x0000000001280000-0x000000000128C000-memory.dmp

                          memory/1916-230-0x0000000002D10000-0x0000000002D29000-memory.dmp

                          memory/1916-231-0x0000000000400000-0x0000000002CB9000-memory.dmp

                          memory/1964-117-0x0000000001300000-0x0000000001316000-memory.dmp

                          memory/2248-296-0x00000000053B0000-0x00000000059B6000-memory.dmp

                          memory/2296-234-0x00000000001A0000-0x00000000001A9000-memory.dmp

                          memory/2296-232-0x00000000001B0000-0x00000000001B5000-memory.dmp

                          memory/2332-192-0x0000000000400000-0x00000000023EE000-memory.dmp

                          memory/2332-183-0x00000000024E0000-0x000000000262A000-memory.dmp

                          memory/2964-209-0x00000000001A0000-0x00000000001AF000-memory.dmp

                          memory/2964-208-0x00000000001B0000-0x00000000001B9000-memory.dmp

                          memory/3260-115-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/3472-216-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

                          memory/3472-215-0x0000000000DB0000-0x0000000000DB5000-memory.dmp

                          memory/3784-227-0x0000000001080000-0x0000000001085000-memory.dmp

                          memory/3784-228-0x0000000000DF0000-0x0000000000DF9000-memory.dmp

                          memory/3856-246-0x0000000000400000-0x0000000002CCD000-memory.dmp

                          memory/3856-247-0x00000000075C0000-0x00000000075C1000-memory.dmp

                          memory/3856-250-0x00000000075C4000-0x00000000075C6000-memory.dmp

                          memory/3856-238-0x0000000002F30000-0x0000000002F4C000-memory.dmp

                          memory/3856-241-0x0000000004B60000-0x0000000004B7A000-memory.dmp

                          memory/3856-249-0x00000000075C3000-0x00000000075C4000-memory.dmp

                          memory/3856-233-0x0000000002CD0000-0x0000000002E1A000-memory.dmp

                          memory/3856-248-0x00000000075C2000-0x00000000075C3000-memory.dmp

                          memory/3976-206-0x0000000000EA0000-0x0000000000EAB000-memory.dmp

                          memory/3976-205-0x0000000000EB0000-0x0000000000EB7000-memory.dmp

                          memory/3984-191-0x0000000000400000-0x0000000000492000-memory.dmp

                          memory/3984-198-0x0000000000400000-0x0000000000492000-memory.dmp

                          memory/3992-179-0x0000000005240000-0x0000000005241000-memory.dmp

                          memory/3992-173-0x00000000008E0000-0x00000000008E1000-memory.dmp

                          memory/3992-187-0x0000000007660000-0x00000000076FF000-memory.dmp

                          memory/3992-182-0x0000000002A70000-0x0000000002A71000-memory.dmp

                          memory/3992-177-0x00000000053A0000-0x00000000053A1000-memory.dmp

                          memory/3992-175-0x0000000005260000-0x0000000005261000-memory.dmp

                          memory/3992-194-0x0000000008A40000-0x0000000008A51000-memory.dmp

                          memory/3992-181-0x0000000005500000-0x0000000005501000-memory.dmp

                          memory/4040-225-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

                          memory/4040-223-0x0000000000DD0000-0x0000000000DD4000-memory.dmp

                          memory/4084-320-0x0000000005220000-0x0000000005826000-memory.dmp