Overview

overview

10

Static

static

3

6bf1f9b0bb...0f.exe

windows7-x64

10

6bf1f9b0bb...0f.exe

windows10-2004-x64

7

Sharing

Copy URL
Twitter E-mail

General

  • Target

    6bf1f9b0bb08ae83980cf8d36728960f

  • Size

    254KB

  • Sample

    240121-bchj4sbfap

  • MD5

    6bf1f9b0bb08ae83980cf8d36728960f

  • SHA1

    85315cb047b5f480dead9cec00808af736c461d0

  • SHA256

    4ff24f30cb031f75ba93c51a8604cdf90c8b112bd848df84c991713b5d5d3078

  • SHA512

    ab3ba9b2a8cbb4fda04f0204ad01ab55c4ffa98547177b6ece0161fb790d8c8b37ab2c1252bafd74a4f7c0d372fa1717b78ff18e278662b3e5e643dfbc7e6a3f

  • SSDEEP

    6144:haF5DXU2maEPKJnocyEzMEGH+BhZJm38TYouT:s7DXAFCucNAEvrTT

Score
10/10
persistence

Malware Config

Targets

    • Target

      6bf1f9b0bb08ae83980cf8d36728960f

    • Size

      254KB

    • MD5

      6bf1f9b0bb08ae83980cf8d36728960f

    • SHA1

      85315cb047b5f480dead9cec00808af736c461d0

    • SHA256

      4ff24f30cb031f75ba93c51a8604cdf90c8b112bd848df84c991713b5d5d3078

    • SHA512

      ab3ba9b2a8cbb4fda04f0204ad01ab55c4ffa98547177b6ece0161fb790d8c8b37ab2c1252bafd74a4f7c0d372fa1717b78ff18e278662b3e5e643dfbc7e6a3f

    • SSDEEP

      6144:haF5DXU2maEPKJnocyEzMEGH+BhZJm38TYouT:s7DXAFCucNAEvrTT

    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