Overview

overview

8

Static

static

3

f8a83e38d9...20.exe

windows7-x64

8

f8a83e38d9...20.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    f8a83e38d9ae062e13f02c0279c585483b05d4fb6cc71d4b7fcc49fa5da11920

  • Size

    770KB

  • Sample

    230922-3s2rgaah8t

  • MD5

    f4830da2bf521265d41b5c86d94fa594

  • SHA1

    4576c7384b059ace33487658299d03778d007943

  • SHA256

    f8a83e38d9ae062e13f02c0279c585483b05d4fb6cc71d4b7fcc49fa5da11920

  • SHA512

    dff6af05f74f5fbeb1d5a29527d597ba3783960009ae11bb4799eeda2ecb7a7f5aaddcbc15b81c08ae1422abf042d21ff0381847556865566b9ed04150b513a6

  • SSDEEP

    24576:O7eit0t9EsyC1XS64DbvYwdzv1n4WwwS6u3sK:O7eimfEsr1X/4wwbn4Wpi

Score
8/10
evasionpersistence

Malware Config

Targets

    • Target

      f8a83e38d9ae062e13f02c0279c585483b05d4fb6cc71d4b7fcc49fa5da11920

    • Size

      770KB

    • MD5

      f4830da2bf521265d41b5c86d94fa594

    • SHA1

      4576c7384b059ace33487658299d03778d007943

    • SHA256

      f8a83e38d9ae062e13f02c0279c585483b05d4fb6cc71d4b7fcc49fa5da11920

    • SHA512

      dff6af05f74f5fbeb1d5a29527d597ba3783960009ae11bb4799eeda2ecb7a7f5aaddcbc15b81c08ae1422abf042d21ff0381847556865566b9ed04150b513a6

    • SSDEEP

      24576:O7eit0t9EsyC1XS64DbvYwdzv1n4WwwS6u3sK:O7eimfEsr1X/4wwbn4Wpi

    Score
    8/10
    persistenceevasion

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      evasion

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

5
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks