Overview

overview

10

Static

static

10

f1f2a99034...65.exe

windows7-x64

10

f1f2a99034...65.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f1f2a99034c38232cee56c253360dec34ea9bc65172657b317cc8d6bded8f265

  • Size

    45KB

  • Sample

    240510-fa11wsbe91

  • MD5

    ecf09b25a07a965fc8f5150e96cd977d

  • SHA1

    249c71d825491bb74e7f864ba1f089b2ccb33b78

  • SHA256

    f1f2a99034c38232cee56c253360dec34ea9bc65172657b317cc8d6bded8f265

  • SHA512

    221e455fe988703d66517a20c64eb85f08bb9cf72dc265aeee59fa0142ac4a8610303e49e3baa3fa7db354f44e9afcbe1760092a88b6ce34256a3b8f2e17e743

  • SSDEEP

    768:PmFQj8rM9whcqet8WfuzHVHFNNqDaG0XjqGoxhz/8szBnP7DFK+5nEf:FAwEmBGz1lNNqDaG0Poxhlzmf

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      f1f2a99034c38232cee56c253360dec34ea9bc65172657b317cc8d6bded8f265

    • Size

      45KB

    • MD5

      ecf09b25a07a965fc8f5150e96cd977d

    • SHA1

      249c71d825491bb74e7f864ba1f089b2ccb33b78

    • SHA256

      f1f2a99034c38232cee56c253360dec34ea9bc65172657b317cc8d6bded8f265

    • SHA512

      221e455fe988703d66517a20c64eb85f08bb9cf72dc265aeee59fa0142ac4a8610303e49e3baa3fa7db354f44e9afcbe1760092a88b6ce34256a3b8f2e17e743

    • SSDEEP

      768:PmFQj8rM9whcqet8WfuzHVHFNNqDaG0XjqGoxhz/8szBnP7DFK+5nEf:FAwEmBGz1lNNqDaG0Poxhlzmf

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Detects executables built or packed with MPress PE compressor

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • 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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

7
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks