Overview

overview

10

Static

static

Config.dll

windows7_x64

1

Config.dll

windows10-2004_x64

1

Injector.exe

windows7_x64

10

Injector.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a449aa7997325e36183f559e2b2e3c5c4e3331a5c3f8b431d559d9a6acd8b05e

  • Size

    122KB

  • Sample

    220619-3yxdyagddp

  • MD5

    a78a3ccfbc7381cee47b0a702d08260b

  • SHA1

    7e135ff97a882f4561b91ec5ff89b8f44f8e01a5

  • SHA256

    a449aa7997325e36183f559e2b2e3c5c4e3331a5c3f8b431d559d9a6acd8b05e

  • SHA512

    2bc60a5ff876230402fdc219d05d0a74a643f8d21ff19284b43e293f9358c739e9c150eaff95207663161fc4513a06e7a9847617c9c4cc27091b4fc1ff839f9b

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://manage.9387723658221.com/

http://9387723658221.bit/
rc4.i32
rc4.i32

Targets

    • Target

      Config.dll

    • Size

      1.7MB

    • MD5

      d7ac22fd3d579804a58b088597c7dc60

    • SHA1

      fe2f27b7cde004cebe685c4fc8a192ce171eb9c6

    • SHA256

      d1107f2e18245112b7960be5b33d2bb5cfac3069b803a90318a4edad3a151f79

    • SHA512

      1eae887ffd79ca17dbe618900c1500d6ee46b0eb2206020ecad9ca8cc5946c7e429d0d1f4508bfec30a4b3dd48485752c59ab9ffbe47cbbe84cd5da9000e8173

    Score
    1/10
    behavioral1behavioral2

    • Target

      Injector.exe

    • Size

      132KB

    • MD5

      27915d97f362953b6b8642f0948968ee

    • SHA1

      2a08177046213e214d11787bba8df2621458a78e

    • SHA256

      3cfed621658a4e0e8c205b463d4268305558222e2d04478f51437b646af4b24e

    • SHA512

      a1ae689ec32339c734ab774aab8f9cd50680ddc3545905b81b4453d6cffe33c76571055d1b342c4f5e1e98f856a3174523f04ed9b84877a995dad81b5e51a16e

    Score
    10/10
    smokeloaderbackdoortrojan

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Loads dropped DLL

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral3behavioral4

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

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks