Overview

overview

10

Static

static

dd3f8b4b7c...5d.exe

windows7_x64

10

dd3f8b4b7c...5d.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    26-01-2022 11:36

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General

  • Target

    dd3f8b4b7cb85319017857db47816c5d.exe

  • Size

    333KB

  • MD5

    dd3f8b4b7cb85319017857db47816c5d

  • SHA1

    7ec8db38063c3f5e2e3091308f07a17ffce6ce1f

  • SHA256

    9ffb9893be116d0f629ed1df9a842600ac186839a75d200a56b3171150278f1a

  • SHA512

    1107d298618d8821aadae110dc187ebec8177dedfe750c597179e6d9ef7f24e626aba80495be50b00cc08cf939ca9569a6c814f67b6ad7e9337a2fad38f7eae6

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 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: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd3f8b4b7cb85319017857db47816c5d.exe
    "C:\Users\Admin\AppData\Local\Temp\dd3f8b4b7cb85319017857db47816c5d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\dd3f8b4b7cb85319017857db47816c5d.exe
      "C:\Users\Admin\AppData\Local\Temp\dd3f8b4b7cb85319017857db47816c5d.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1576

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

  • memory/1220-58-0x0000000002B10000-0x0000000002B26000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1576-54-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1576-56-0x00000000754B1000-0x00000000754B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1576-57-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1664-53-0x0000000000250000-0x000000000027D000-memory.dmp
    Filesize

    180KB

    Download
  • memory/1664-55-0x00000000001B0000-0x00000000001B9000-memory.dmp
    Filesize

    36KB

    Download