Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    15/09/2023, 23:59

General

  • Target

    SecuriteInfo.com.Win32.BotX-gen.15542.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

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.15542.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.15542.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1916
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {25F38F7C-D0FA-441E-BE29-77FE63F3A9F7} S-1-5-21-3185155662-718608226-894467740-1000:YETUIZPU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Roaming\daudsre
      C:\Users\Admin\AppData\Roaming\daudsre
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2644
  • C:\Users\Admin\AppData\Local\Temp\55CE.exe
    C:\Users\Admin\AppData\Local\Temp\55CE.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\55CE.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\55CE.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

        • C:\Users\Admin\AppData\Local\Temp\55CE.exe

          Filesize

          505KB

          MD5

          3082e7832f7a31397990d4d3ae4c75c9

          SHA1

          769b150e219c7e8d7221f7a0f0ba6ef617fd036d

          SHA256

          716f6379cc32afb03ef2639b14e32b4df5538b99b84dafe355b39f8934e7c740

          SHA512

          8e371f4b075070daf8efb449ab87d923eb4d3cad74d7c9c3d3cef76f43f268c0e4aabe6fa1f801e20ac49e25f9bac70338044fbe9bd408883429ca34fb98ade4

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

          Filesize

          267KB

          MD5

          ae8139e5a3e0869bef72d554895100cf

          SHA1

          645689cf69d9ee7feccc900dcfd6c5ef4875bb0d

          SHA256

          aa918d4dd7706951fc290b6a5d3ba0e48acc5443056894ee3aad1baa52f412ba

          SHA512

          b2187df0959e68993df72534d4db1aba55f6b54c6b10ee1b6a7235bfd576b3969829273f85670dc6c20351fe3b7f88680df4350b647f845452e6e7381b79c632

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

          Filesize

          267KB

          MD5

          ae8139e5a3e0869bef72d554895100cf

          SHA1

          645689cf69d9ee7feccc900dcfd6c5ef4875bb0d

          SHA256

          aa918d4dd7706951fc290b6a5d3ba0e48acc5443056894ee3aad1baa52f412ba

          SHA512

          b2187df0959e68993df72534d4db1aba55f6b54c6b10ee1b6a7235bfd576b3969829273f85670dc6c20351fe3b7f88680df4350b647f845452e6e7381b79c632

        • memory/1392-4-0x0000000002A30000-0x0000000002A46000-memory.dmp

          Filesize

          88KB

        • memory/1392-17-0x0000000003F50000-0x0000000003F66000-memory.dmp

          Filesize

          88KB

        • memory/1916-5-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/1916-1-0x0000000000830000-0x0000000000930000-memory.dmp

          Filesize

          1024KB

        • memory/1916-2-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

        • memory/1916-8-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

        • memory/1916-3-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2644-16-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2644-18-0x0000000000400000-0x0000000000711000-memory.dmp

          Filesize

          3.1MB

        • memory/2644-15-0x0000000000810000-0x0000000000910000-memory.dmp

          Filesize

          1024KB

        • memory/2992-28-0x0000000074B00000-0x00000000751EE000-memory.dmp

          Filesize

          6.9MB

        • memory/2992-29-0x0000000000210000-0x0000000000292000-memory.dmp

          Filesize

          520KB

        • memory/2992-30-0x0000000004B00000-0x0000000004B40000-memory.dmp

          Filesize

          256KB

        • memory/2992-31-0x0000000074B00000-0x00000000751EE000-memory.dmp

          Filesize

          6.9MB