Overview

overview

10

Static

static

a1d1f7a632...0b.exe

windows7_x64

10

a1d1f7a632...0b.exe

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-08-2021 09:10

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    a1d1f7a632006fcdb0ed9d0c635a8f0b.exe

  • Size

    181KB

  • MD5

    a1d1f7a632006fcdb0ed9d0c635a8f0b

  • SHA1

    d4b2ea32696887a8c0fadcbd9616a50311b1826d

  • SHA256

    1a471836c805bbee8b08512c7a813aa00c5df6dcb11888d39bf652afb7ab36f6

  • SHA512

    97c192e933de166ca442174288e272bd9625200b51ec9be53323d5d2fb2edbced5f692ec2ec8d7205dd3e02c4202f5721bdd04aeb251054e069f930a72f81be7

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/
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 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1d1f7a632006fcdb0ed9d0c635a8f0b.exe
    "C:\Users\Admin\AppData\Local\Temp\a1d1f7a632006fcdb0ed9d0c635a8f0b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\a1d1f7a632006fcdb0ed9d0c635a8f0b.exe
      "C:\Users\Admin\AppData\Local\Temp\a1d1f7a632006fcdb0ed9d0c635a8f0b.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2032

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

Loading Replay Monitor...

Downloads

  • memory/1060-63-0x00000000001B0000-0x00000000001BA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1204-64-0x0000000002AA0000-0x0000000002AB6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2032-61-0x0000000000402E1A-mapping.dmp
    Download
  • memory/2032-60-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/2032-62-0x0000000075C31000-0x0000000075C33000-memory.dmp
    Filesize

    8KB

    Download