Overview

overview

10

Static

static

f369fcbe63...bf.exe

windows7_x64

10

f369fcbe63...bf.exe

windows10_x64

10

Analysis

  • max time kernel
    156s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    07-12-2021 15:28

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General

  • Target

    f369fcbe630e461a8ba482db48f0dbbf.exe

  • Size

    319KB

  • MD5

    f369fcbe630e461a8ba482db48f0dbbf

  • SHA1

    6c0e71df40a976c484e20711e9f97abcf2cb4240

  • SHA256

    8b01dbcf5224873f79aa338e6f50c3cfefc41a1345d9eb5e4a5566f5a190586a

  • SHA512

    03947a4ba6751ac73d20c80477009d67daf491012949d840cb8a87c300a648f04fc1f4dee0ce0ba9ae3acd53559c5ad2929028560745d8d9c7ec68f239c7dac0

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 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f369fcbe630e461a8ba482db48f0dbbf.exe
    "C:\Users\Admin\AppData\Local\Temp\f369fcbe630e461a8ba482db48f0dbbf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Users\Admin\AppData\Local\Temp\f369fcbe630e461a8ba482db48f0dbbf.exe
      "C:\Users\Admin\AppData\Local\Temp\f369fcbe630e461a8ba482db48f0dbbf.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1380
  • C:\Users\Admin\AppData\Local\Temp\CD4D.exe
    C:\Users\Admin\AppData\Local\Temp\CD4D.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Users\Admin\AppData\Local\Temp\CD4D.exe
      C:\Users\Admin\AppData\Local\Temp\CD4D.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1660

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\CD4D.exe
    MD5

    61667aba094e35950f45d5d627952663

    SHA1

    55b3df527f7fda353f8ff0a30ff9ae9fd97d7ff3

    SHA256

    6a48349ee2b3ea08a4a5a51aaaa9eef19ce3e5c63289d1d4b50435112e049248

    SHA512

    cff031eb5f4cd91858f5af3d068acaa69b88de581ef9c02f23144ff82950b03562325a4f8c9d8c1df175675f41d0dd56d3ad67837a145960acc393a9c55a345e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\CD4D.exe
    MD5

    61667aba094e35950f45d5d627952663

    SHA1

    55b3df527f7fda353f8ff0a30ff9ae9fd97d7ff3

    SHA256

    6a48349ee2b3ea08a4a5a51aaaa9eef19ce3e5c63289d1d4b50435112e049248

    SHA512

    cff031eb5f4cd91858f5af3d068acaa69b88de581ef9c02f23144ff82950b03562325a4f8c9d8c1df175675f41d0dd56d3ad67837a145960acc393a9c55a345e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\CD4D.exe
    MD5

    61667aba094e35950f45d5d627952663

    SHA1

    55b3df527f7fda353f8ff0a30ff9ae9fd97d7ff3

    SHA256

    6a48349ee2b3ea08a4a5a51aaaa9eef19ce3e5c63289d1d4b50435112e049248

    SHA512

    cff031eb5f4cd91858f5af3d068acaa69b88de581ef9c02f23144ff82950b03562325a4f8c9d8c1df175675f41d0dd56d3ad67837a145960acc393a9c55a345e

    Download Submit
  • \Users\Admin\AppData\Local\Temp\CD4D.exe
    MD5

    61667aba094e35950f45d5d627952663

    SHA1

    55b3df527f7fda353f8ff0a30ff9ae9fd97d7ff3

    SHA256

    6a48349ee2b3ea08a4a5a51aaaa9eef19ce3e5c63289d1d4b50435112e049248

    SHA512

    cff031eb5f4cd91858f5af3d068acaa69b88de581ef9c02f23144ff82950b03562325a4f8c9d8c1df175675f41d0dd56d3ad67837a145960acc393a9c55a345e

    Download Submit
  • memory/432-61-0x0000000000000000-mapping.dmp
    Download
  • memory/432-63-0x0000000000698000-0x00000000006A9000-memory.dmp
    Filesize

    68KB

    Download
  • memory/764-55-0x00000000006B8000-0x00000000006C9000-memory.dmp
    Filesize

    68KB

    Download
  • memory/764-56-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1220-60-0x0000000002120000-0x0000000002136000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1220-70-0x0000000002B50000-0x0000000002B66000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1380-59-0x0000000074E51000-0x0000000074E53000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1380-58-0x0000000000402F47-mapping.dmp
    Download
  • memory/1380-57-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1660-67-0x0000000000402F47-mapping.dmp
    Download