Overview

overview

10

Static

static

3

0acdbf6b25...96.exe

windows7-x64

10

0acdbf6b25...96.exe

windows10-2004-x64

7

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General

  • Target

    0acdbf6b25a91c5f4893e400e65e0496

  • Size

    244KB

  • Sample

    231230-cb6qzseghr

  • MD5

    0acdbf6b25a91c5f4893e400e65e0496

  • SHA1

    286543197ef5eab99694c4fdc9d809acb8ddfbf7

  • SHA256

    33bd4d59ba1288db3680d2539ac5cff725741f7a075a9433a9312a7db931cc89

  • SHA512

    588a08b822a87be0b5c4bf281113c29612f62447037df625d6a98620ad8cc3b2112566e31bf58b9807695b66d0d3e08a2534f5a5fc21ea23a2edb2183d25e23b

  • SSDEEP

    3072:SH8cRYc70fvbtCiqTf0dYTaMd4fh6FDGeTWXXCwu6Jw7WmXSHAXgamyPDbM:SHTH0fv5dyDxYCwu6mH2AX1DM

Score
10/10
persistence

Malware Config

Targets

    • Target

      0acdbf6b25a91c5f4893e400e65e0496

    • Size

      244KB

    • MD5

      0acdbf6b25a91c5f4893e400e65e0496

    • SHA1

      286543197ef5eab99694c4fdc9d809acb8ddfbf7

    • SHA256

      33bd4d59ba1288db3680d2539ac5cff725741f7a075a9433a9312a7db931cc89

    • SHA512

      588a08b822a87be0b5c4bf281113c29612f62447037df625d6a98620ad8cc3b2112566e31bf58b9807695b66d0d3e08a2534f5a5fc21ea23a2edb2183d25e23b

    • SSDEEP

      3072:SH8cRYc70fvbtCiqTf0dYTaMd4fh6FDGeTWXXCwu6Jw7WmXSHAXgamyPDbM:SHTH0fv5dyDxYCwu6mH2AX1DM

    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