Analysis

  • max time kernel
    135s
  • max time network
    244s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/05/2024, 00:11

General

  • Target
    f671122dbd4f11b8ab539d1e1f9945747f1331831866ff486a7a7dc49b222e7e.exe
  • Size 693KB
  • Sample240509-agyapahg73
  • SHA256 f671122dbd4f11b8ab539d1e1f9945747f1331831866ff486a7a7dc49b222e7e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub3

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3360
      • C:\Users\Admin\AppData\Local\Temp\f671122dbd4f11b8ab539d1e1f9945747f1331831866ff486a7a7dc49b222e7e.exe
        "C:\Users\Admin\AppData\Local\Temp\f671122dbd4f11b8ab539d1e1f9945747f1331831866ff486a7a7dc49b222e7e.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3192
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Rapidly Rapidly.cmd & Rapidly.cmd & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3412
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:212
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa.exe opssvc.exe"
            4⤵
              PID:4112
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:1120
            • C:\Windows\SysWOW64\findstr.exe
              findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
              4⤵
                PID:4432
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c md 333063
                4⤵
                  PID:3576
                • C:\Windows\SysWOW64\findstr.exe
                  findstr /V "cookinghuntingjunecost" Little
                  4⤵
                    PID:1396
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c copy /b Exceed + Vp 333063\e
                    4⤵
                      PID:1800
                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\333063\Offline.pif
                      333063\Offline.pif 333063\e
                      4⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      • Suspicious use of WriteProcessMemory
                      PID:2760
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:4396
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\333063\Offline.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\333063\Offline.pif
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  PID:4720

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Offline.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\333063\Offline.pif
                    • Size 925KB
                    • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
                    • MD5 SHA1 SHA512 SSDEEP

                    e

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\333063\e
                    • Size 203KB
                    • SHA256 68a4c9777d3c32f33a8cb8b40793baf6497ed370d4acaaff7606af3848d39e6f
                    • MD5 SHA1 SHA512 SSDEEP

                    Blast

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Blast
                    • Size 55KB
                    • SHA256 a40d3d126ef926dee00fad0ae77bc56275f1e635eaed7acde5b8a80dc6a63e25
                    • MD5 SHA1 SHA512 SSDEEP

                    Charms

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Charms
                    • Size 24KB
                    • SHA256 b9829b05260be50511098391018e04b53dc46469fe6734023aa26c19b19c2473
                    • MD5 SHA1 SHA512 SSDEEP

                    Columnists

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Columnists
                    • Size 68KB
                    • SHA256 0e09a9400c41a24ae63313b16aeefc51ed828685f868ac1f3d42be87c78330b5
                    • MD5 SHA1 SHA512 SSDEEP

                    Coverage

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Coverage
                    • Size 11KB
                    • SHA256 3c09df3110499b948b480c4fc592c3197103b1869b952e91eef6cb549b85378a
                    • MD5 SHA1 SHA512 SSDEEP

                    Donor

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Donor
                    • Size 60KB
                    • SHA256 e22919d30c56fe67dff19bf0cb0d544db33aa047d6b0cb7531cd3fb919ddcd5c
                    • MD5 SHA1 SHA512 SSDEEP

                    Encyclopedia

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Encyclopedia
                    • Size 36KB
                    • SHA256 b1b61cbe1ae85f63e25f158b52e354082c1b70a454d9383eb1030598be34ede2
                    • MD5 SHA1 SHA512 SSDEEP

                    Exceed

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Exceed
                    • Size 183KB
                    • SHA256 2bc481896c45da617eab4f5c0f9a9646f447bd42c5ae09dc4b0f865ead5acf9f
                    • MD5 SHA1 SHA512 SSDEEP

                    Exploring

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Exploring
                    • Size 8KB
                    • SHA256 f6f53f59644ab251bd6c4c92d0c8474934b04e4c9c021f1ca57b53fd27da77d2
                    • MD5 SHA1 SHA512 SSDEEP

                    Far

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Far
                    • Size 5KB
                    • SHA256 90c267c1fd10800431d3b89c9056170423c1b7ae88ce188402185351423b23fc
                    • MD5 SHA1 SHA512 SSDEEP

                    Findarticles

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Findarticles
                    • Size 67KB
                    • SHA256 7b4f6a3f9ea60f506cf028f0e11a4c33bfcc6cc696939cb50692a42d0fa9ee2c
                    • MD5 SHA1 SHA512 SSDEEP

                    Fire

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Fire
                    • Size 66KB
                    • SHA256 f19eb589e5daa1e1fb0ae67d392578e17ace6063c63a1cacb16a3f87fa9fe4b3
                    • MD5 SHA1 SHA512 SSDEEP

                    Hired

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Hired
                    • Size 24KB
                    • SHA256 42e139748ae123f3e6f13d77ba449fe51f69d645fb99d2f3b19d9d434b050e23
                    • MD5 SHA1 SHA512 SSDEEP

                    Jar

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Jar
                    • Size 47KB
                    • SHA256 54c001cd13576ac9da54cb14a57c495ad4188ea976f0c082d6bcac4ca5826d75
                    • MD5 SHA1 SHA512 SSDEEP

                    Liechtenstein

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Liechtenstein
                    • Size 7KB
                    • SHA256 b29bd14e4b2323d941de49e9c95c30d9db56e7437f09e56b419e59d0709c76bb
                    • MD5 SHA1 SHA512 SSDEEP

                    Lion

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lion
                    • Size 39KB
                    • SHA256 338690715403cd144f5b5812975071d4a276496b1dbedc0b5450c44b9a373c44
                    • MD5 SHA1 SHA512 SSDEEP

                    Little

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Little
                    • Size 166B
                    • SHA256 a3246f40abe6db4a230e3a8099537c4c86abdc0624404b6be7f21950f7af534f
                    • MD5 SHA1 SHA512

                    Montreal

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Montreal
                    • Size 65KB
                    • SHA256 ec4d597e2394711ccaf45dec96f03200abd6a0f2fc6d1dfccbfd7c0253825e61
                    • MD5 SHA1 SHA512 SSDEEP

                    Organize

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Organize
                    • Size 64KB
                    • SHA256 fff0dcc9e0a4f6a3e82462b6b0f36650c8239f8f7d30a703f06f8f932483d1a7
                    • MD5 SHA1 SHA512 SSDEEP

                    Planets

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Planets
                    • Size 8KB
                    • SHA256 9ea4ce81cc1c4bbf636aa681bdfdd2dd6c3df5141d54d56ed5f0308fca036ea2
                    • MD5 SHA1 SHA512 SSDEEP

                    Quite

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Quite
                    • Size 23KB
                    • SHA256 35367ab851c16bc194c03f05fc0529f14a3bee3e20a6f916ec3e7119d049d1ab
                    • MD5 SHA1 SHA512 SSDEEP

                    Radio

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Radio
                    • Size 33KB
                    • SHA256 9d2785dd0d2384e3a7bd5a9f007753616789cbcd8c91f13d2b6848da01bfafb0
                    • MD5 SHA1 SHA512 SSDEEP

                    Rapidly

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Rapidly
                    • Size 17KB
                    • SHA256 11ea23ebf6ca757a6d270dee7c3e435da11b1b91eb22e2563c2a7ff1f5cc2f9a
                    • MD5 SHA1 SHA512 SSDEEP

                    Routines

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Routines
                    • Size 46KB
                    • SHA256 a103223248299b5a5c3cd9921778385e33009c3ca5531bc88de219c014689eb1
                    • MD5 SHA1 SHA512 SSDEEP

                    Scholars

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Scholars
                    • Size 56KB
                    • SHA256 ffae168314180bedbbacd83972873a9b05cc7f990489acf1f13206359c45680f
                    • MD5 SHA1 SHA512 SSDEEP

                    Tt

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Tt
                    • Size 48KB
                    • SHA256 c16a7088e913198bd2168ff8c3e36eeeb3c37f46defa7e79c27983c55ded8095
                    • MD5 SHA1 SHA512 SSDEEP

                    Visual

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Visual
                    • Size 39KB
                    • SHA256 c6fdc5911cc6a6c1d514c8a36019f6aa25b0b870d2430395bf078db9d7e9cd86
                    • MD5 SHA1 SHA512 SSDEEP

                    Vp

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Vp
                    • Size 20KB
                    • SHA256 faf60ae13d780d8eaf0f11cca1881f4991e2b55b6180a41be7667bdce783cbdb
                    • MD5 SHA1 SHA512 SSDEEP

                    Who

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Who
                    • Size 25KB
                    • SHA256 c39a18e9b0dfad71e027283c2dfd26dd5813e87c31d8ecfdfe80c698407d2b5b
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/4720-74-0x0000000000400000-0x000000000040B000-memory.dmp

                    memory/4720-75-0x0000000000400000-0x000000000040B000-memory.dmp