Overview

overview

10

Static

static

3

b283a03560...b8.exe

windows7-x64

10

b283a03560...b8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b283a03560d69a54742c2b78e27727f91a13e4c4c26b4054b7020cacfa0900b8.exe

  • Size

    56KB

  • Sample

    250120-k89g5ssmdj

  • MD5

    01fce7d77edd9cb87d7eda278c91f36c

  • SHA1

    2f79a23eb9f5a67119cc15584642937fa2d83e18

  • SHA256

    b283a03560d69a54742c2b78e27727f91a13e4c4c26b4054b7020cacfa0900b8

  • SHA512

    3d9f81030dad3bbfc79c10a2610cc73c964719693ea492eb71d4ef04b7d52d1b83569e1b69356a1107708af55044576dcf61098833ea875a95ad90e3ab04a6b4

  • SSDEEP

    768:VNuG777/+V36n9PcXYvn8KR1I3NznRAQZlh4VkpX179r+R5GOwekff:V8w2VS9Eovn8KRgWmhZpX1Qvwj

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      b283a03560d69a54742c2b78e27727f91a13e4c4c26b4054b7020cacfa0900b8.exe

    • Size

      56KB

    • MD5

      01fce7d77edd9cb87d7eda278c91f36c

    • SHA1

      2f79a23eb9f5a67119cc15584642937fa2d83e18

    • SHA256

      b283a03560d69a54742c2b78e27727f91a13e4c4c26b4054b7020cacfa0900b8

    • SHA512

      3d9f81030dad3bbfc79c10a2610cc73c964719693ea492eb71d4ef04b7d52d1b83569e1b69356a1107708af55044576dcf61098833ea875a95ad90e3ab04a6b4

    • SSDEEP

      768:VNuG777/+V36n9PcXYvn8KR1I3NznRAQZlh4VkpX179r+R5GOwekff:V8w2VS9Eovn8KRgWmhZpX1Qvwj

    Score
    10/10
    discoveryevasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables cmd.exe use 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

    • Enumerates connected drives

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

    • Modifies WinLogon

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

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

1
T1547.001

Winlogon Helper DLL

2
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

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks