Overview

overview

10

Static

static

3

d6ec11231c...b2.exe

windows7-x64

10

d6ec11231c...b2.exe

windows10-2004-x64

7

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General

  • Target

    d6ec11231cb035674c0d1f98fcf84db2

  • Size

    261KB

  • Sample

    240319-x3jqrach34

  • MD5

    d6ec11231cb035674c0d1f98fcf84db2

  • SHA1

    e5c340d770e4cc958d1bab56f7f8d6ed0af2dcf5

  • SHA256

    e5bc560b9bdf170987a9e2685066e7be8b991eae88c52056d183cef03aa2b456

  • SHA512

    820e8840bc2c6c6a331a8a5a692f2be3c16ecb5eadbe7aa3ea74ed5c43698a72db7ba1f6bd47f79180a637458e1289c5b9a2102a60bdd6a1ccbd5d9fc49014ac

  • SSDEEP

    6144:fV1yEtgWvWZryFwTnAls4pTnRQb5288x5jcPOep:fV1BRWgFwTnl4+5Ex5cPjp

Score
10/10
persistence

Malware Config

Targets

    • Target

      d6ec11231cb035674c0d1f98fcf84db2

    • Size

      261KB

    • MD5

      d6ec11231cb035674c0d1f98fcf84db2

    • SHA1

      e5c340d770e4cc958d1bab56f7f8d6ed0af2dcf5

    • SHA256

      e5bc560b9bdf170987a9e2685066e7be8b991eae88c52056d183cef03aa2b456

    • SHA512

      820e8840bc2c6c6a331a8a5a692f2be3c16ecb5eadbe7aa3ea74ed5c43698a72db7ba1f6bd47f79180a637458e1289c5b9a2102a60bdd6a1ccbd5d9fc49014ac

    • SSDEEP

      6144:fV1yEtgWvWZryFwTnAls4pTnRQb5288x5jcPOep:fV1BRWgFwTnl4+5Ex5cPjp

    Score
    10/10
    persistence

    • Modifies WinLogon for persistence

      persistence

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks