Overview

overview

10

Static

static

1

setup.exe

windows7-x64

10

setup.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2023 01:15

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General

  • Target

    setup.exe

  • Size

    250KB

  • MD5

    04e32b3bd11f6233afb0e106da867aa8

  • SHA1

    c4750a98073df743fe04bf542df0faee2bdea4c5

  • SHA256

    4e5f3fb701c0ba7a67dfbe0f1578fd497769f2d3397cc6310a444e9e0740afb6

  • SHA512

    233f6d94ab81501e652cc6dd326f61416b37429b068dd0105951c8f8f01e61f57f27b20492309858e188d8cb639e34fecc0e0b9880bd846e3e5fac4420356c16

  • SSDEEP

    3072:nVuaHyfVd/lxLLqfe5FRPN4pdWBVAyeO3jBJr2GOOIpzjdwj5Ev/Hc:oOyfJxLeEidnGOTFjb

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
  • 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 WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1996

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/1288-59-0x0000000002B30000-0x0000000002B46000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1996-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1996-56-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1996-58-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1996-60-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/2044-57-0x0000000000280000-0x0000000000289000-memory.dmp
    Filesize

    36KB

    Download