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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2023, 13:35

General

  • Target

    file.exe

  • Size

    386KB

  • MD5

    059aa5219c81ccec4d257337c885c9e5

  • SHA1

    1075024d4a988eddfdf2b4042078640c65d4b603

  • SHA256

    a3e06d811446215d4ccf92e136c20795d346f94c23f94caeab63d5727f35b866

  • SHA512

    6249f7d5fef925bc956a6f16ba431500eb6c403ae7880c434259d156d90d6d19820840e352c786e17c7f0cff65bea951730d471835a94734f1b7bb7868c032fd

  • SSDEEP

    3072:BdeUSdFCGEnpS9zSahHnboPV3dFpyQc16Z+tYuxrm4KNKLPcOJdxH/WRXWh:7exSGqpSJSP/yILtgLUebH/i

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://taibi.at/tmp/

http://01stroy.ru/tmp/

http://mal-net.com/tmp/

http://gromograd.ru/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1244-4-0x0000000002B50000-0x0000000002B66000-memory.dmp

    Filesize

    88KB

  • memory/2444-0-0x0000000000220000-0x0000000000235000-memory.dmp

    Filesize

    84KB

  • memory/2444-1-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2444-2-0x0000000000400000-0x0000000002450000-memory.dmp

    Filesize

    32.3MB

  • memory/2444-5-0x0000000000400000-0x0000000002450000-memory.dmp

    Filesize

    32.3MB

  • memory/2444-8-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

  • memory/2444-9-0x0000000000220000-0x0000000000235000-memory.dmp

    Filesize

    84KB