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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 03:22

General

  • Target

    ac026bee297cb9c7852863cb13154b84.exe

  • Size

    37KB

  • MD5

    ac026bee297cb9c7852863cb13154b84

  • SHA1

    aa76e5d1598afe2e1f7d55c5d1728857bea263c7

  • SHA256

    eb8fdac6122db3911fb94887b8b56997a7eace7e65158d681906f194bfe3979d

  • SHA512

    0a51efec9448885f2dd1aa4da2fa5569aa8c743c78098c1542641283b814338d8d196d5839697a44142044c819ef48cf48122d80a9b82c81b72574ba157836e3

  • SSDEEP

    768:d8n3N4JRqwg8UTB+8zx70f0PSuopLwlFFWO7:dmN4JRrg8ypxSKFFX

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://81.19.131.34/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

LiveTraffic

C2

77.105.132.87:6731

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 3 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\ac026bee297cb9c7852863cb13154b84.exe
    "C:\Users\Admin\AppData\Local\Temp\ac026bee297cb9c7852863cb13154b84.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4900
  • C:\Users\Admin\AppData\Local\Temp\A7D9.exe
    C:\Users\Admin\AppData\Local\Temp\A7D9.exe
    1⤵
    • Executes dropped EXE
    PID:1080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\A7D9.exe

    Filesize

    139KB

    MD5

    9a957e739edac052e617e67c8e68aa40

    SHA1

    ecd030f83acca28dae9ec0567839db4e3d5cac1e

    SHA256

    611614199c1c92a88b8ab0de739b40a6d97c88112b70251c3d10a0db356c0d1d

    SHA512

    120a71efb0671e2fe309a23065119cb30ca1d79d1b36c6acf383e9afe7fffe0853968154b92c41ce1e98257777de2ad46ff5a8589394401e2bd5fdca4257418a

  • C:\Users\Admin\AppData\Local\Temp\A7D9.exe

    Filesize

    200KB

    MD5

    2432bbe7a924948d214c5d8ad95318fa

    SHA1

    ef18da9b0892eef066c87458d87791ff019c9607

    SHA256

    d5d498a38882f22374b9f1c404765a57caac64edc1cd61e9b4ab3c27aaf87621

    SHA512

    6399cfa12975c297edc2064097adbe9520fbffa10421c922c7d98c577aef0916953ba917db4272ad214837300eccd75881eeddc9b1c75eb15f2f42372e1007c7

  • memory/1080-19-0x0000000007BF0000-0x0000000007C82000-memory.dmp

    Filesize

    584KB

  • memory/1080-23-0x0000000009090000-0x00000000096A8000-memory.dmp

    Filesize

    6.1MB

  • memory/1080-30-0x0000000007E80000-0x0000000007E90000-memory.dmp

    Filesize

    64KB

  • memory/1080-12-0x0000000000F50000-0x0000000000F8C000-memory.dmp

    Filesize

    240KB

  • memory/1080-17-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1080-18-0x00000000080C0000-0x0000000008664000-memory.dmp

    Filesize

    5.6MB

  • memory/1080-29-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1080-20-0x0000000007E80000-0x0000000007E90000-memory.dmp

    Filesize

    64KB

  • memory/1080-21-0x0000000005190000-0x000000000519A000-memory.dmp

    Filesize

    40KB

  • memory/1080-28-0x000000000B5E0000-0x000000000B646000-memory.dmp

    Filesize

    408KB

  • memory/1080-24-0x000000000AA20000-0x000000000AB2A000-memory.dmp

    Filesize

    1.0MB

  • memory/1080-25-0x0000000009020000-0x0000000009032000-memory.dmp

    Filesize

    72KB

  • memory/1080-26-0x000000000A910000-0x000000000A94C000-memory.dmp

    Filesize

    240KB

  • memory/1080-27-0x000000000A950000-0x000000000A99C000-memory.dmp

    Filesize

    304KB

  • memory/3276-1-0x0000000002FD0000-0x0000000002FE6000-memory.dmp

    Filesize

    88KB

  • memory/4900-2-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4900-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB