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Analysis

  • max time kernel
    300s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2024, 04:59

General

  • Target

    680fb6ca2c51e0cdb4ef67b5655616b3e8a4fab4bc01ab6c6a7a3420ecc97c1c.exe

  • Size

    282KB

  • MD5

    80ac439ed5578df1e2cb3b92f6657389

  • SHA1

    fabae3db5c332925dcc5f717ba15ffee7c5c7ed9

  • SHA256

    680fb6ca2c51e0cdb4ef67b5655616b3e8a4fab4bc01ab6c6a7a3420ecc97c1c

  • SHA512

    77121c3fa5ae6cb32a148bea8620902f3ff97fca8cb03c7b07bfc910671e7cd9b287787cbed464cbda9d04df6327aa566889470fe59576b580e5352035f00fc0

  • SSDEEP

    3072:qP+7ppntxb2MJpSMI4cGHa0yFx2tK1W0zrDoehzBUu+lOafSBk8l5/:60tBDk4by/OK1Xzo2BUnTls5

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\680fb6ca2c51e0cdb4ef67b5655616b3e8a4fab4bc01ab6c6a7a3420ecc97c1c.exe
    "C:\Users\Admin\AppData\Local\Temp\680fb6ca2c51e0cdb4ef67b5655616b3e8a4fab4bc01ab6c6a7a3420ecc97c1c.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1712
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {392F633B-6D15-4CC6-9259-0534C2BA1647} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Roaming\cuthwha
      C:\Users\Admin\AppData\Roaming\cuthwha
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    282KB

    MD5

    80ac439ed5578df1e2cb3b92f6657389

    SHA1

    fabae3db5c332925dcc5f717ba15ffee7c5c7ed9

    SHA256

    680fb6ca2c51e0cdb4ef67b5655616b3e8a4fab4bc01ab6c6a7a3420ecc97c1c

    SHA512

    77121c3fa5ae6cb32a148bea8620902f3ff97fca8cb03c7b07bfc910671e7cd9b287787cbed464cbda9d04df6327aa566889470fe59576b580e5352035f00fc0

  • memory/1204-4-0x0000000002E80000-0x0000000002E96000-memory.dmp

    Filesize

    88KB

  • memory/1204-16-0x0000000002FE0000-0x0000000002FF6000-memory.dmp

    Filesize

    88KB

  • memory/1712-1-0x0000000001B60000-0x0000000001C60000-memory.dmp

    Filesize

    1024KB

  • memory/1712-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/1712-3-0x0000000000400000-0x0000000001A32000-memory.dmp

    Filesize

    22.2MB

  • memory/1712-5-0x0000000000400000-0x0000000001A32000-memory.dmp

    Filesize

    22.2MB

  • memory/2756-14-0x0000000001BC0000-0x0000000001CC0000-memory.dmp

    Filesize

    1024KB

  • memory/2756-15-0x0000000000400000-0x0000000001A32000-memory.dmp

    Filesize

    22.2MB

  • memory/2756-17-0x0000000000400000-0x0000000001A32000-memory.dmp

    Filesize

    22.2MB