Overview

overview

10

Static

static

341e8df98a...3f.exe

windows7_x64

10

341e8df98a...3f.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    07-12-2021 04:02

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General

  • Target

    341e8df98aa2e6212e2866aafafd573f.exe

  • Size

    318KB

  • MD5

    341e8df98aa2e6212e2866aafafd573f

  • SHA1

    4199a4b1363f53a406116af39f0f562c195454d7

  • SHA256

    192602e7e46bd1a921c2312cdf2f8bb2d571aac70c22b0546be3d45df7692ff7

  • SHA512

    8a0a523b08cb8482e188f5453974a05c8b1c20470dc94fdc14af4a6914459bbff2be65537fbf5f18259564fa3ac87db40d5cf049ab70d535532ca5c906a0be25

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
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\341e8df98aa2e6212e2866aafafd573f.exe
    "C:\Users\Admin\AppData\Local\Temp\341e8df98aa2e6212e2866aafafd573f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\341e8df98aa2e6212e2866aafafd573f.exe
      "C:\Users\Admin\AppData\Local\Temp\341e8df98aa2e6212e2866aafafd573f.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:748
  • C:\Users\Admin\AppData\Local\Temp\3E19.exe
    C:\Users\Admin\AppData\Local\Temp\3E19.exe
    1⤵
    • Executes dropped EXE
    PID:1980

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\3E19.exe
    MD5

    341e8df98aa2e6212e2866aafafd573f

    SHA1

    4199a4b1363f53a406116af39f0f562c195454d7

    SHA256

    192602e7e46bd1a921c2312cdf2f8bb2d571aac70c22b0546be3d45df7692ff7

    SHA512

    8a0a523b08cb8482e188f5453974a05c8b1c20470dc94fdc14af4a6914459bbff2be65537fbf5f18259564fa3ac87db40d5cf049ab70d535532ca5c906a0be25

    Download Submit
  • memory/748-57-0x0000000000402F47-mapping.dmp
    Download
  • memory/748-56-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/748-58-0x0000000075901000-0x0000000075903000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1412-60-0x0000000002990000-0x00000000029A6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1932-55-0x0000000000618000-0x0000000000629000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1932-59-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1980-61-0x0000000000000000-mapping.dmp
    Download