Overview

overview

10

Static

static

3

2a057c89b1...3b.exe

windows7-x64

10

2a057c89b1...3b.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    2a057c89b1d96ced1724c089b154753b

  • Size

    255KB

  • Sample

    231231-f6fptsdhak

  • MD5

    2a057c89b1d96ced1724c089b154753b

  • SHA1

    db2e2e72c8f4670a9e4bf4c9a743dcda2510d000

  • SHA256

    0d17c1b7ac57d9ef3b84b7c601cec5c593f87d49d0c6ca6ea49bb0e2c01caccb

  • SHA512

    ede01cedd3c9aebfd4e8167a873f59039b06b508e492f3def498afd1902017c5f6ccc89bd8e9a8fa78e996d855af39f9befe4e55b0d71e7f97b6999f14e67202

  • SSDEEP

    6144:e/jyywaV4meKBMqiehW00g4KjsZPyO/2PeKwoCyO1P2+Mau:8jMajedqiWz0gFO/VBTfHu

Score
10/10
persistence

Malware Config

Targets

    • Target

      2a057c89b1d96ced1724c089b154753b

    • Size

      255KB

    • MD5

      2a057c89b1d96ced1724c089b154753b

    • SHA1

      db2e2e72c8f4670a9e4bf4c9a743dcda2510d000

    • SHA256

      0d17c1b7ac57d9ef3b84b7c601cec5c593f87d49d0c6ca6ea49bb0e2c01caccb

    • SHA512

      ede01cedd3c9aebfd4e8167a873f59039b06b508e492f3def498afd1902017c5f6ccc89bd8e9a8fa78e996d855af39f9befe4e55b0d71e7f97b6999f14e67202

    • SSDEEP

      6144:e/jyywaV4meKBMqiehW00g4KjsZPyO/2PeKwoCyO1P2+Mau:8jMajedqiWz0gFO/VBTfHu

    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