Overview

overview

10

Static

static

017fc50320...1c.exe

windows7_x64

10

017fc50320...1c.exe

windows10-2004_x64

9

Sharing

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General

  • Target

    017fc503201a751b0d56c1501195e0ce3b82231713215b5c18249692c095121c

  • Size

    440KB

  • Sample

    220523-x5lccsgbdr

  • MD5

    2eff5c3106eada77b48bd3a785355d99

  • SHA1

    559dcd0897ae7575c18cba483d5c57062c071c5f

  • SHA256

    017fc503201a751b0d56c1501195e0ce3b82231713215b5c18249692c095121c

  • SHA512

    dc61ca7354f98a1c53c3dd47cf13579187c8a4e3d0172f657c612fbf2c25aaaf2570ff057a03a78be7222d72b8a2bfdc0f0e703696d9ce7dd010ff0b89a96f94

Score
10/10
evasionpersistenceransomwaresuricata

Malware Config

Targets

    • Target

      017fc503201a751b0d56c1501195e0ce3b82231713215b5c18249692c095121c

    • Size

      440KB

    • MD5

      2eff5c3106eada77b48bd3a785355d99

    • SHA1

      559dcd0897ae7575c18cba483d5c57062c071c5f

    • SHA256

      017fc503201a751b0d56c1501195e0ce3b82231713215b5c18249692c095121c

    • SHA512

      dc61ca7354f98a1c53c3dd47cf13579187c8a4e3d0172f657c612fbf2c25aaaf2570ff057a03a78be7222d72b8a2bfdc0f0e703696d9ce7dd010ff0b89a96f94

    Score
    10/10
    evasionpersistenceransomwaresuricata

    • suricata: ET MALWARE AlphaCrypt CnC Beacon 5

      suricata: ET MALWARE AlphaCrypt CnC Beacon 5

      suricata

    • suricata: ET MALWARE AlphaCrypt CnC Beacon 6

      suricata: ET MALWARE AlphaCrypt CnC Beacon 6

      suricata

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

3
T1490

Tasks