Overview

overview

10

Static

static

641073a7b3...9d.exe

windows7_x64

10

641073a7b3...9d.exe

windows10_x64

10

Sharing

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General

  • Target

    641073a7b38fa3b3e938af4810596eaf53a89e565919d.exe

  • Size

    813KB

  • Sample

    210430-ybjt7b1vh6

  • MD5

    c4bb2285a9f20e982707e4c9ee4f7e35

  • SHA1

    0021818c5bbc147738f323a98e42131411471db8

  • SHA256

    641073a7b38fa3b3e938af4810596eaf53a89e565919dc505bf055f091d0b509

  • SHA512

    a1c4a206dc99e1ef40cbec21fd1acf43323e13be94483367156c8abeda7fa0ee0f9269c27271015c4bd9b465e99122cf6611d96a08891b0b9ff0dca1f212c9d7

Score
10/10
asyncratpersistencerat

Malware Config

Targets

    • Target

      641073a7b38fa3b3e938af4810596eaf53a89e565919d.exe

    • Size

      813KB

    • MD5

      c4bb2285a9f20e982707e4c9ee4f7e35

    • SHA1

      0021818c5bbc147738f323a98e42131411471db8

    • SHA256

      641073a7b38fa3b3e938af4810596eaf53a89e565919dc505bf055f091d0b509

    • SHA512

      a1c4a206dc99e1ef40cbec21fd1acf43323e13be94483367156c8abeda7fa0ee0f9269c27271015c4bd9b465e99122cf6611d96a08891b0b9ff0dca1f212c9d7

    Score
    10/10
    asyncratpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Modifies WinLogon for persistence

      persistence

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks