Overview

overview

10

Static

static

00426f4b3e...96.exe

windows7_x64

10

00426f4b3e...96.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    26-09-2021 01:39

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General

  • Target

    00426f4b3edf4a8c0d512222d5257696.exe

  • Size

    146KB

  • MD5

    00426f4b3edf4a8c0d512222d5257696

  • SHA1

    84de454a9c3910e50048d7555c5836271d638216

  • SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

  • SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 IoCs
  • Deletes itself 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 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe
    "C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe
      "C:\Users\Admin\AppData\Local\Temp\00426f4b3edf4a8c0d512222d5257696.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1120
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {26D17E51-E615-4108-8495-9A6B0173D5A9} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Roaming\civsiwh
      C:\Users\Admin\AppData\Roaming\civsiwh
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Users\Admin\AppData\Roaming\civsiwh
        C:\Users\Admin\AppData\Roaming\civsiwh
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:856

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\Roaming\civsiwh
    MD5

    00426f4b3edf4a8c0d512222d5257696

    SHA1

    84de454a9c3910e50048d7555c5836271d638216

    SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

    SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

    Download Submit
  • C:\Users\Admin\AppData\Roaming\civsiwh
    MD5

    00426f4b3edf4a8c0d512222d5257696

    SHA1

    84de454a9c3910e50048d7555c5836271d638216

    SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

    SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

    Download Submit
  • C:\Users\Admin\AppData\Roaming\civsiwh
    MD5

    00426f4b3edf4a8c0d512222d5257696

    SHA1

    84de454a9c3910e50048d7555c5836271d638216

    SHA256

    716821b6b210a9c8ae93af80ea648edd2ff944e6221e9900ff805c7df41731c0

    SHA512

    8649faa52f0235c4e07db005cc451fc2ef29cde922899d739ff409d2c8ed6c18c329cd2f349328333c56e3a2bf0686562cb0098f72089a8e98cc4e3386f5905d

    Download Submit
  • memory/856-62-0x0000000000402FA5-mapping.dmp
    Download
  • memory/1120-53-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1120-54-0x0000000000402FA5-mapping.dmp
    Download
  • memory/1120-55-0x0000000076201000-0x0000000076203000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1164-56-0x00000000003A0000-0x00000000003A9000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1428-57-0x00000000025D0000-0x00000000025E6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1428-65-0x0000000003C70000-0x0000000003C86000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1900-59-0x0000000000000000-mapping.dmp
    Download