Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 18:10

General

  • Target
    fb9c4b9a277d1bec79c5d72eb92048ae.exe
  • Size 735KB
  • Sample240522-wr2xhsbe24
  • SHA256 aba228d167cbabe85ed94101c53d367bdd423d3fa84b977f4629c528912b0220
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub2

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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:3548
      • C:\Users\Admin\AppData\Local\Temp\fb9c4b9a277d1bec79c5d72eb92048ae.exe
        "C:\Users\Admin\AppData\Local\Temp\fb9c4b9a277d1bec79c5d72eb92048ae.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3500
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Control Control.cmd & Control.cmd & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2176
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3640
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa.exe opssvc.exe"
            4⤵
              PID:4708
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:1860
            • C:\Windows\SysWOW64\findstr.exe
              findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
              4⤵
                PID:2880
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c md 22092
                4⤵
                  PID:2556
                • C:\Windows\SysWOW64\findstr.exe
                  findstr /V "StickStatManufactureFourth" Italia
                  4⤵
                    PID:4924
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c copy /b Mean 22092\C
                    4⤵
                      PID:4444
                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22092\Whale.pif
                      22092\Whale.pif 22092\C
                      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:2168
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:1672
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22092\Whale.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22092\Whale.pif
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  PID:2944

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    Whale.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22092\Whale.pif
                    • Size 915KB
                    • SHA256 8498900e57a490404e7ec4d8159bee29aed5852ae88bd484141780eaadb727bb
                    • MD5 SHA1 SHA512 SSDEEP

                    Buy

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Buy
                    • Size 35KB
                    • SHA256 196533143118e26014b159c0b9c1c151547fbe48b939211c1e695e999dbecc48
                    • MD5 SHA1 SHA512 SSDEEP

                    Calculate

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Calculate
                    • Size 16KB
                    • SHA256 888dc090ce9c9e461c291f7d84347f073ec482ce554a04979e8510af5d97c5a6
                    • MD5 SHA1 SHA512 SSDEEP

                    Control

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Control
                    • Size 6KB
                    • SHA256 bc5084331dd598958f99d1f0b258a15baef1ec95c9f79f6fa55ef76bb0b5fd33
                    • MD5 SHA1 SHA512 SSDEEP

                    Coordinates

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Coordinates
                    • Size 51KB
                    • SHA256 da0009ca1182c059c453c561ac41c5188aeb522a8f672f0bcf7fcc914e4d45d3
                    • MD5 SHA1 SHA512 SSDEEP

                    Cork

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Cork
                    • Size 41KB
                    • SHA256 b30f02c65e617a442f9da17e4676f2d02a98e62bd6258f15fb20f8f214c82054
                    • MD5 SHA1 SHA512 SSDEEP

                    Doll

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Doll
                    • Size 69KB
                    • SHA256 a375899ed3295ea3986a4bbd92e3da2015f7645d5614cd1f0e46bf91605b0732
                    • MD5 SHA1 SHA512 SSDEEP

                    Excerpt

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Excerpt
                    • Size 51KB
                    • SHA256 79e85196a6ac26576ef41f8aaf95c2059fbfc27a12a4a6e30a19b1870756813c
                    • MD5 SHA1 SHA512 SSDEEP

                    Infrastructure

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Infrastructure
                    • Size 44KB
                    • SHA256 30517cd6f4339dc906dbf953e0c9d071a6293b10953bf71bef277eec365c1fd7
                    • MD5 SHA1 SHA512 SSDEEP

                    Introductory

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Introductory
                    • Size 38KB
                    • SHA256 7a08ae7d78d7c3e9b82f8a10c0df8f812ec1985273823f672582840f2aae2a34
                    • MD5 SHA1 SHA512 SSDEEP

                    Italia

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Italia
                    • Size 82B
                    • SHA256 b0d1b77b03f17cc8bf0b51904f2533423890d049d43ea9f9069ccfe41fe29c66
                    • MD5 SHA1 SHA512

                    Lap

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lap
                    • Size 46KB
                    • SHA256 50cd8ea334dad5e6a8b6e371cc34432102c9f563a737ad79bbb2b4ef2496f9df
                    • MD5 SHA1 SHA512 SSDEEP

                    Mean

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Mean
                    • Size 193KB
                    • SHA256 edfbf623565f7396074df45a87a71278d425640a181af4f3e399553d0a57f9e5
                    • MD5 SHA1 SHA512 SSDEEP

                    Nfl

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Nfl
                    • Size 58KB
                    • SHA256 359b1bbe67343880df0a5c88cf7e6954b03dc83192b1e362fbd7646a8935e2fd
                    • MD5 SHA1 SHA512 SSDEEP

                    Nine

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Nine
                    • Size 40KB
                    • SHA256 6a9c8c62c7125649af510c9394e828c5cfc214e79adfa818891cbd302a9c9f56
                    • MD5 SHA1 SHA512 SSDEEP

                    Opera

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Opera
                    • Size 68KB
                    • SHA256 0fbef6bfbfe6ab2d96c59e0ff125b7c12d97d3a29f9bd3162ed86aa06fb6a10d
                    • MD5 SHA1 SHA512 SSDEEP

                    Panel

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Panel
                    • Size 29KB
                    • SHA256 89570434130fc9a5c2760f48a274c7396a1fd17218524f3b0243fce97d6e56c8
                    • MD5 SHA1 SHA512 SSDEEP

                    Rb

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Rb
                    • Size 30KB
                    • SHA256 59d4b39d0d3f5595a7e3db7c47e4fd094035e549d91e2ebb4146e41ce85b6977
                    • MD5 SHA1 SHA512 SSDEEP

                    Rd

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Rd
                    • Size 49KB
                    • SHA256 147a5802fc79b09f8c211dd2eb68013f0995758cd72853d4eb3d77c7978da035
                    • MD5 SHA1 SHA512 SSDEEP

                    Salad

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Salad
                    • Size 37KB
                    • SHA256 87e399b1e3d8b780f16fc24099172f2b7ea8ff03114e7c1d53fe877ae1a63ded
                    • MD5 SHA1 SHA512 SSDEEP

                    Sleeve

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Sleeve
                    • Size 51KB
                    • SHA256 db32cab0818498f48ceeed682e25f3eba6083494d03b87c5882ed670f454a646
                    • MD5 SHA1 SHA512 SSDEEP

                    Symbols

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Symbols
                    • Size 54KB
                    • SHA256 fe643c7747275f90caa32db19b8d1671b0b2a9c619344bdd08bf32249e83606a
                    • MD5 SHA1 SHA512 SSDEEP

                    Villas

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Villas
                    • Size 28KB
                    • SHA256 19d74560062541f23f84e64eb661f9316014185f5543161ae47f90322d6e090c
                    • MD5 SHA1 SHA512 SSDEEP

                    Wilson

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Wilson
                    • Size 52KB
                    • SHA256 23d3a762f27136391bd022bcb80d11621bdb1263c1486983478addd737a1515b
                    • MD5 SHA1 SHA512 SSDEEP

                    Yr

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Yr
                    • Size 28KB
                    • SHA256 8f69b99d2b0c38d6d26b535fc2c2edd85f75d373bb72bc2b2849aa024240af46
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/2944-57-0x0000000000400000-0x000000000040B000-memory.dmp

                    memory/2944-58-0x0000000000400000-0x000000000040B000-memory.dmp