Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2023 15:38

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General

  • Target

    file.exe

  • Size

    295KB

  • MD5

    cdafc8e7d71f4a536cdc3565a1b4591f

  • SHA1

    c40edb3878575e883fb4536975f7a46294c0138b

  • SHA256

    cbdbfd2c90310024a46e2395bf6210b5352c932fc5d27dba5ebef0b1aec21aa8

  • SHA512

    aadf7c55c44dc7eba4a6824e1ebfb2fea42b9cf6a3cfb24a08ccf26f3fc1e832b2951c3d17ce1ff76717d5cd1ec1e0c46222b48530b864d787e863503910b05b

  • SSDEEP

    3072:Vyd2NE86t5B/4lAHX3BCIOM+oPMEz9JtZh00O2LD16kZstdbY7dlmc2toiDTSW:MGE8u/4l83B2ExZmWckizbFtDDT9

Score
10/10
smokeloaderlabbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4680
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4684
  • C:\Users\Admin\AppData\Roaming\divggff
    C:\Users\Admin\AppData\Roaming\divggff
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Roaming\divggff
      C:\Users\Admin\AppData\Roaming\divggff
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
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\Roaming\divggff
    Filesize

    295KB

    MD5

    cdafc8e7d71f4a536cdc3565a1b4591f

    SHA1

    c40edb3878575e883fb4536975f7a46294c0138b

    SHA256

    cbdbfd2c90310024a46e2395bf6210b5352c932fc5d27dba5ebef0b1aec21aa8

    SHA512

    aadf7c55c44dc7eba4a6824e1ebfb2fea42b9cf6a3cfb24a08ccf26f3fc1e832b2951c3d17ce1ff76717d5cd1ec1e0c46222b48530b864d787e863503910b05b

    Download Submit
  • C:\Users\Admin\AppData\Roaming\divggff
    Filesize

    295KB

    MD5

    cdafc8e7d71f4a536cdc3565a1b4591f

    SHA1

    c40edb3878575e883fb4536975f7a46294c0138b

    SHA256

    cbdbfd2c90310024a46e2395bf6210b5352c932fc5d27dba5ebef0b1aec21aa8

    SHA512

    aadf7c55c44dc7eba4a6824e1ebfb2fea42b9cf6a3cfb24a08ccf26f3fc1e832b2951c3d17ce1ff76717d5cd1ec1e0c46222b48530b864d787e863503910b05b

    Download Submit
  • C:\Users\Admin\AppData\Roaming\divggff
    Filesize

    295KB

    MD5

    cdafc8e7d71f4a536cdc3565a1b4591f

    SHA1

    c40edb3878575e883fb4536975f7a46294c0138b

    SHA256

    cbdbfd2c90310024a46e2395bf6210b5352c932fc5d27dba5ebef0b1aec21aa8

    SHA512

    aadf7c55c44dc7eba4a6824e1ebfb2fea42b9cf6a3cfb24a08ccf26f3fc1e832b2951c3d17ce1ff76717d5cd1ec1e0c46222b48530b864d787e863503910b05b

    Download Submit
  • memory/3160-137-0x0000000000E50000-0x0000000000E66000-memory.dmp
    Filesize

    88KB

    Download
  • memory/3160-151-0x0000000000DD0000-0x0000000000DE6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/3288-150-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/3288-152-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/4680-135-0x00000000048B0000-0x00000000048B9000-memory.dmp
    Filesize

    36KB

    Download
  • memory/4684-134-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/4684-136-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/4684-138-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download