Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2023, 22:39

General

  • Target

    SecuriteInfo.com.Win32.BotX-gen.4091.1918.exe

  • Size

    267KB

  • MD5

    6cf01c815d1489b617c05fcd4640fffd

  • SHA1

    2ad52ebfc86e11c71cc901f18e6c4f80eac55079

  • SHA256

    56be912ce754d75f3385dab925ee34d9a0a1e07fe841c6a2e9adafa8021c99bc

  • SHA512

    33f2dab46769d6d88b953b7b3972f2561fde10998c1aebbb88bc5366d035b5c706ab4c5209868919b3f01f4e4501da5e06cfe468168dd1be0edea398dd5d28f6

  • SSDEEP

    3072:SEI3+gesvpzB4jtXebGwIBsCTZDAIpzNxU4YDG9DZINLgJNZqMG:XI3JvpzB4jtXlB3TvhNxU4YDCdINLj

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://gudintas.at/tmp/

http://pik96.ru/tmp/

http://rosatiauto.com/tmp/

http://kingpirate.ru/tmp/

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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.4091.1918.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.4091.1918.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2144
  • C:\Users\Admin\AppData\Local\Temp\141D.exe
    C:\Users\Admin\AppData\Local\Temp\141D.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2856
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {409AD364-13A8-4C7E-88E4-AB40B0C3FF9D} S-1-5-21-86725733-3001458681-3405935542-1000:ZWKQHIWB\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Roaming\cucaadf
      C:\Users\Admin\AppData\Roaming\cucaadf
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\141D.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\141D.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\141D.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Roaming\cucaadf

          Filesize

          267KB

          MD5

          6cf01c815d1489b617c05fcd4640fffd

          SHA1

          2ad52ebfc86e11c71cc901f18e6c4f80eac55079

          SHA256

          56be912ce754d75f3385dab925ee34d9a0a1e07fe841c6a2e9adafa8021c99bc

          SHA512

          33f2dab46769d6d88b953b7b3972f2561fde10998c1aebbb88bc5366d035b5c706ab4c5209868919b3f01f4e4501da5e06cfe468168dd1be0edea398dd5d28f6

        • C:\Users\Admin\AppData\Roaming\cucaadf

          Filesize

          267KB

          MD5

          6cf01c815d1489b617c05fcd4640fffd

          SHA1

          2ad52ebfc86e11c71cc901f18e6c4f80eac55079

          SHA256

          56be912ce754d75f3385dab925ee34d9a0a1e07fe841c6a2e9adafa8021c99bc

          SHA512

          33f2dab46769d6d88b953b7b3972f2561fde10998c1aebbb88bc5366d035b5c706ab4c5209868919b3f01f4e4501da5e06cfe468168dd1be0edea398dd5d28f6

        • memory/1268-12-0x000007FEF3910000-0x000007FEF391A000-memory.dmp

          Filesize

          40KB

        • memory/1268-4-0x0000000002A20000-0x0000000002A36000-memory.dmp

          Filesize

          88KB

        • memory/1268-29-0x0000000004000000-0x0000000004016000-memory.dmp

          Filesize

          88KB

        • memory/1268-11-0x000007FEF5750000-0x000007FEF5893000-memory.dmp

          Filesize

          1.3MB

        • memory/2144-3-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

        • memory/2144-2-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2144-5-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2144-1-0x0000000000840000-0x0000000000940000-memory.dmp

          Filesize

          1024KB

        • memory/2856-20-0x0000000000B00000-0x0000000000B82000-memory.dmp

          Filesize

          520KB

        • memory/2856-21-0x0000000073FA0000-0x000000007468E000-memory.dmp

          Filesize

          6.9MB

        • memory/2856-22-0x0000000004F20000-0x0000000004F60000-memory.dmp

          Filesize

          256KB

        • memory/2856-23-0x0000000073FA0000-0x000000007468E000-memory.dmp

          Filesize

          6.9MB

        • memory/2952-27-0x0000000000890000-0x0000000000990000-memory.dmp

          Filesize

          1024KB

        • memory/2952-28-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2952-32-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB