Analysis

  • max time kernel
    300s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 00:57

General

  • Target

    15584ea7dd6e4657ba0d3c3f26cfa6efdee844798ed46710f767714eb27d8729.exe

  • Size

    301KB

  • MD5

    731ac3028835a9b371289d5d03ced63c

  • SHA1

    d08942f201bb1dda797cd32ff6a54896bc6a35b5

  • SHA256

    15584ea7dd6e4657ba0d3c3f26cfa6efdee844798ed46710f767714eb27d8729

  • SHA512

    3620c2458e81a05587bb0fa134a22f80e2913a3a820c4599eb45cfa85658498bfb6605f82096feb7fc90487e0158af61dd36260cf0dff6400f8dcdcefb234b88

  • SSDEEP

    3072:ynCFxO+TAA13++k9WfT6f4A4o2iFw7AiznXEM1KIolCZsi5lKs3svegpG:h0+P3rfT6f4AiirizUy7oksuhc

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 WriteProcessMemory 4 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\15584ea7dd6e4657ba0d3c3f26cfa6efdee844798ed46710f767714eb27d8729.exe
    "C:\Users\Admin\AppData\Local\Temp\15584ea7dd6e4657ba0d3c3f26cfa6efdee844798ed46710f767714eb27d8729.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1396
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A136BBC9-AB49-4FE1-AB43-A76C779D637E} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Roaming\djeufga
      C:\Users\Admin\AppData\Roaming\djeufga
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    301KB

    MD5

    731ac3028835a9b371289d5d03ced63c

    SHA1

    d08942f201bb1dda797cd32ff6a54896bc6a35b5

    SHA256

    15584ea7dd6e4657ba0d3c3f26cfa6efdee844798ed46710f767714eb27d8729

    SHA512

    3620c2458e81a05587bb0fa134a22f80e2913a3a820c4599eb45cfa85658498bfb6605f82096feb7fc90487e0158af61dd36260cf0dff6400f8dcdcefb234b88

  • memory/1204-4-0x0000000002980000-0x0000000002996000-memory.dmp

    Filesize

    88KB

  • memory/1204-16-0x00000000029F0000-0x0000000002A06000-memory.dmp

    Filesize

    88KB

  • memory/1396-1-0x0000000001B00000-0x0000000001C00000-memory.dmp

    Filesize

    1024KB

  • memory/1396-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/1396-3-0x0000000000400000-0x0000000001A16000-memory.dmp

    Filesize

    22.1MB

  • memory/1396-5-0x0000000000400000-0x0000000001A16000-memory.dmp

    Filesize

    22.1MB

  • memory/2724-14-0x0000000001BF0000-0x0000000001CF0000-memory.dmp

    Filesize

    1024KB

  • memory/2724-15-0x0000000000400000-0x0000000001A16000-memory.dmp

    Filesize

    22.1MB

  • memory/2724-19-0x0000000000400000-0x0000000001A16000-memory.dmp

    Filesize

    22.1MB