Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08/02/2024, 11:41

General

  • Target
    18e41c088abac684c090592bc7df4305.exe
  • Size 169KB
  • Sample240208-ntewrsed78
  • SHA256 2aa5a9c9059070191dcf750e2db3860dfd4803b5d50c8d71edc17fe3c3ef2994
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub1

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://trad-einmyus.com/index.php

  • http://tradein-myus.com/index.php

  • http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Program crash 1 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: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18e41c088abac684c090592bc7df4305.exe
    "C:\Users\Admin\AppData\Local\Temp\18e41c088abac684c090592bc7df4305.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2932
  • C:\Users\Admin\AppData\Local\Temp\9F8A.exe
    C:\Users\Admin\AppData\Local\Temp\9F8A.exe
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2668
  • C:\Users\Admin\AppData\Local\Temp\AD50.exe
    C:\Users\Admin\AppData\Local\Temp\AD50.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 96
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1104

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 65KB
        • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
        • MD5 SHA1 SHA512 SSDEEP

        F0ACCF77CDCBFF39F6191887F6D2D357

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
        • Size 1KB
        • SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 344B
        • SHA256 eee46214c36624f190ca133bf85ba80a053eeec768ce385ab23eed284341e81a
        • MD5 SHA1 SHA512

        F0ACCF77CDCBFF39F6191887F6D2D357

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
        • Size 242B
        • SHA256 8ea4e5b1d0ce5d5527c0e328aa8a55d576881c68620fe4ea56ee28cfbb26f40a
        • MD5 SHA1 SHA512

        9F8A.exe

        • Path C:\Users\Admin\AppData\Local\Temp\9F8A.exe
        • Size 170KB
        • SHA256 48bd1b850f93da8bf0094af089e96d4f4b819d173b2a83174b07acf0d835bfeb
        • MD5 SHA1 SHA512 SSDEEP

        AD50.exe

        • Path C:\Users\Admin\AppData\Local\Temp\AD50.exe
        • Size 6.0MB
        • SHA256 dd87f94c961b9612bbd65761bee6ed15318d63652f262e2c425bd177a2341a19
        • MD5 SHA1 SHA512 SSDEEP

        Tar1DD4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar1DD4.tmp
        • Size 171KB
        • SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
        • MD5 SHA1 SHA512 SSDEEP

        AD50.exe

        • Path \Users\Admin\AppData\Local\Temp\AD50.exe
        • Size 5.6MB
        • SHA256 48f0fc5b3d80f11a0e427e240ecd372a903e603e851c49a8e92a8677c1439728
        • MD5 SHA1 SHA512 SSDEEP

        AD50.exe

        • Path \Users\Admin\AppData\Local\Temp\AD50.exe
        • Size 4.3MB
        • SHA256 57c3a2a6f1c3330912da50666c0558a05527af374671e67f482f2677373ae12f
        • MD5 SHA1 SHA512 SSDEEP

        AD50.exe

        • Path \Users\Admin\AppData\Local\Temp\AD50.exe
        • Size 5.0MB
        • SHA256 650ae3c67211f2717c72678d9f7783a3599f9dd69363bf4b5aba96fdbf50fcec
        • MD5 SHA1 SHA512 SSDEEP

        memory/1368-4-0x0000000002910000-0x0000000002926000-memory.dmp

        memory/1368-20-0x0000000004100000-0x0000000004116000-memory.dmp

        memory/2668-18-0x0000000000290000-0x0000000000390000-memory.dmp

        memory/2668-21-0x0000000000400000-0x0000000002BD6000-memory.dmp

        memory/2668-19-0x0000000000400000-0x0000000002BD6000-memory.dmp

        memory/2688-43-0x00000000000A0000-0x00000000000A1000-memory.dmp

        memory/2688-64-0x00000000001F0000-0x0000000000D4B000-memory.dmp

        memory/2688-41-0x00000000000A0000-0x00000000000A1000-memory.dmp

        memory/2688-29-0x0000000000080000-0x0000000000081000-memory.dmp

        memory/2688-46-0x0000000000160000-0x0000000000161000-memory.dmp

        memory/2688-48-0x00000000001F0000-0x0000000000D4B000-memory.dmp

        memory/2688-49-0x0000000000160000-0x0000000000161000-memory.dmp

        memory/2688-52-0x0000000000170000-0x0000000000171000-memory.dmp

        memory/2688-54-0x0000000000170000-0x0000000000171000-memory.dmp

        memory/2688-59-0x0000000000180000-0x0000000000181000-memory.dmp

        memory/2688-57-0x0000000000180000-0x0000000000181000-memory.dmp

        memory/2688-38-0x0000000000090000-0x0000000000091000-memory.dmp

        memory/2688-65-0x0000000000190000-0x0000000000191000-memory.dmp

        memory/2688-36-0x0000000000090000-0x0000000000091000-memory.dmp

        memory/2688-34-0x0000000000090000-0x0000000000091000-memory.dmp

        memory/2688-33-0x0000000000080000-0x0000000000081000-memory.dmp

        memory/2688-71-0x00000000001F0000-0x0000000000D4B000-memory.dmp

        memory/2688-31-0x0000000000080000-0x0000000000081000-memory.dmp

        memory/2932-2-0x0000000000220000-0x000000000022B000-memory.dmp

        memory/2932-5-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2932-3-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/2932-1-0x0000000000530000-0x0000000000630000-memory.dmp