Overview

overview

10

Static

static

174876b3e8...11.exe

windows7_x64

10

174876b3e8...11.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 03:27

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General

  • Target

    174876b3e81985f6ede4bb16076dcb0b92c7067f560145a070481ed2a7de2511.exe

  • Size

    364KB

  • MD5

    a04064572099c06bc10428d46d423f7e

  • SHA1

    ed13b58b821d1eb62df8f4226736f751049af3e8

  • SHA256

    174876b3e81985f6ede4bb16076dcb0b92c7067f560145a070481ed2a7de2511

  • SHA512

    56cb60559c60fa1909f609cfdca82da5dd7947a303c33b9021cf4ecb1e37d149aae8f6c65d57c9fe3205c6bb8c62a22ddbb503d6fcc6f00d7312ffd3d8f868a3

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2019

C2

http://emona66.com.kz/nonso/

http://emona667.com.kz/nonso2/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\174876b3e81985f6ede4bb16076dcb0b92c7067f560145a070481ed2a7de2511.exe
    "C:\Users\Admin\AppData\Local\Temp\174876b3e81985f6ede4bb16076dcb0b92c7067f560145a070481ed2a7de2511.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Users\Admin\AppData\Local\Temp\174876b3e81985f6ede4bb16076dcb0b92c7067f560145a070481ed2a7de2511.exe
      "C:\Users\Admin\AppData\Local\Temp\174876b3e81985f6ede4bb16076dcb0b92c7067f560145a070481ed2a7de2511.exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\65B3.tmp
    Filesize

    1.6MB

    MD5

    4f3387277ccbd6d1f21ac5c07fe4ca68

    SHA1

    e16506f662dc92023bf82def1d621497c8ab5890

    SHA256

    767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

    SHA512

    9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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  • memory/1064-134-0x0000000000780000-0x0000000000796000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2368-131-0x0000000000000000-mapping.dmp
    Download
  • memory/2368-132-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2368-135-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4224-130-0x0000000000400000-0x000000000045E000-memory.dmp
    Filesize

    376KB

    Download