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Overview

overview

10

Static

static

3

58e65a52b4...AS.exe

windows7-x64

10

58e65a52b4...AS.exe

windows10-2004-x64

10

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General

  • Target

    58e65a52b438cadc584634998e229f00_NEAS

  • Size

    441KB

  • Sample

    240507-njmtmage52

  • MD5

    58e65a52b438cadc584634998e229f00

  • SHA1

    a4019c54288ce433cc59ea4b0ea4c25e21c81c6f

  • SHA256

    b24082496752d0ead8b747742671c5d60e8b7d12dc5b9cfa15ec57a5e61d53f4

  • SHA512

    19422c34748dfded71898d75d16415b597b04c5ec4c4a551d38d23546400a85b84853bfcd8ecddb9e33738d5270f83f901846edadfd9daac004c947d48198f71

  • SSDEEP

    6144:2eHwXUU5EYCTvaBjRjWrLJKuKnGML5NjcxFSsQLH5Ab:2yMUusvalgg5NjaFSsPb

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      58e65a52b438cadc584634998e229f00_NEAS

    • Size

      441KB

    • MD5

      58e65a52b438cadc584634998e229f00

    • SHA1

      a4019c54288ce433cc59ea4b0ea4c25e21c81c6f

    • SHA256

      b24082496752d0ead8b747742671c5d60e8b7d12dc5b9cfa15ec57a5e61d53f4

    • SHA512

      19422c34748dfded71898d75d16415b597b04c5ec4c4a551d38d23546400a85b84853bfcd8ecddb9e33738d5270f83f901846edadfd9daac004c947d48198f71

    • SSDEEP

      6144:2eHwXUU5EYCTvaBjRjWrLJKuKnGML5NjcxFSsQLH5Ab:2yMUusvalgg5NjaFSsPb

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables use of System Restore points

      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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

2
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

3
T1547

Registry Run Keys / Startup Folder

2
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

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks