Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2023, 23:58

General

  • Target

    SecuriteInfo.com.Win32.BotX-gen.15542.11735.exe

  • Size

    267KB

  • MD5

    ae8139e5a3e0869bef72d554895100cf

  • SHA1

    645689cf69d9ee7feccc900dcfd6c5ef4875bb0d

  • SHA256

    aa918d4dd7706951fc290b6a5d3ba0e48acc5443056894ee3aad1baa52f412ba

  • SHA512

    b2187df0959e68993df72534d4db1aba55f6b54c6b10ee1b6a7235bfd576b3969829273f85670dc6c20351fe3b7f88680df4350b647f845452e6e7381b79c632

  • SSDEEP

    3072:gXYs7gYUv7jxteLZxpfwIRVPwe5Aft8j/DIUEYF/s8IN0LfA:+YsIv7jxteLZXRD5AlRUXF08y

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
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.15542.11735.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.15542.11735.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2164
  • C:\Users\Admin\AppData\Local\Temp\F048.exe
    C:\Users\Admin\AppData\Local\Temp\F048.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2604
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6FAFE9F2-2C66-4D9C-9258-E5E30E5D01B0} S-1-5-21-607259312-1573743425-2763420908-1000:NGTQGRML\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Roaming\ahgajgt
      C:\Users\Admin\AppData\Roaming\ahgajgt
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3020

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\F048.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\F048.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\F048.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

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

          Filesize

          267KB

          MD5

          ae8139e5a3e0869bef72d554895100cf

          SHA1

          645689cf69d9ee7feccc900dcfd6c5ef4875bb0d

          SHA256

          aa918d4dd7706951fc290b6a5d3ba0e48acc5443056894ee3aad1baa52f412ba

          SHA512

          b2187df0959e68993df72534d4db1aba55f6b54c6b10ee1b6a7235bfd576b3969829273f85670dc6c20351fe3b7f88680df4350b647f845452e6e7381b79c632

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

          Filesize

          267KB

          MD5

          ae8139e5a3e0869bef72d554895100cf

          SHA1

          645689cf69d9ee7feccc900dcfd6c5ef4875bb0d

          SHA256

          aa918d4dd7706951fc290b6a5d3ba0e48acc5443056894ee3aad1baa52f412ba

          SHA512

          b2187df0959e68993df72534d4db1aba55f6b54c6b10ee1b6a7235bfd576b3969829273f85670dc6c20351fe3b7f88680df4350b647f845452e6e7381b79c632

        • memory/1232-4-0x0000000002990000-0x00000000029A6000-memory.dmp

          Filesize

          88KB

        • memory/1232-27-0x0000000002180000-0x0000000002196000-memory.dmp

          Filesize

          88KB

        • memory/2164-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

          Filesize

          1024KB

        • memory/2164-5-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2164-3-0x00000000001B0000-0x00000000001B9000-memory.dmp

          Filesize

          36KB

        • memory/2164-2-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2604-18-0x0000000000DD0000-0x0000000000E52000-memory.dmp

          Filesize

          520KB

        • memory/2604-19-0x0000000074570000-0x0000000074C5E000-memory.dmp

          Filesize

          6.9MB

        • memory/2604-20-0x0000000004DC0000-0x0000000004E00000-memory.dmp

          Filesize

          256KB

        • memory/2604-21-0x0000000074570000-0x0000000074C5E000-memory.dmp

          Filesize

          6.9MB

        • memory/3020-25-0x00000000007F0000-0x00000000008F0000-memory.dmp

          Filesize

          1024KB

        • memory/3020-26-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/3020-28-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB