Overview

overview

10

Static

static

SKM_C25820...57.exe

windows7_x64

10

SKM_C25820...57.exe

windows10_x64

10

Sharing

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General

  • Target

    SKM_C258201001130020005057.exe

  • Size

    1.0MB

  • Sample

    201222-2b7clrbqk2

  • MD5

    101293648c64868f186872244df8b871

  • SHA1

    fbca0f4a9f0dfb1f7d1e93e9a650ac4e5f815901

  • SHA256

    8d29f4ed1dfb22f2b11e74a065ca6f8993cead1cbd965f576a935cf80fb1afc7

  • SHA512

    d67b4892f9269b8dec97d1063500a83d251e78ea2d8f20afa576da397d1013e5c1380c99284cf35d02b29faeebfe8ed7f1d9365312b9f909bc5530826fa79a26

Score
10/10
asyncratpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

severdops.ddns.net:6204

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    YNkqaLZuCTWrp43KtUJweEXfeczrvdLZ

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    severdops.ddns.net

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    6204

  • version

    0.5.7B

aes.plain

Targets

    • Target

      SKM_C258201001130020005057.exe

    • Size

      1.0MB

    • MD5

      101293648c64868f186872244df8b871

    • SHA1

      fbca0f4a9f0dfb1f7d1e93e9a650ac4e5f815901

    • SHA256

      8d29f4ed1dfb22f2b11e74a065ca6f8993cead1cbd965f576a935cf80fb1afc7

    • SHA512

      d67b4892f9269b8dec97d1063500a83d251e78ea2d8f20afa576da397d1013e5c1380c99284cf35d02b29faeebfe8ed7f1d9365312b9f909bc5530826fa79a26

    Score
    10/10
    persistenceasyncratrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Modifies WinLogon for persistence

      persistence

    • Async RAT payload

      rat

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks