Overview

overview

10

Static

static

8

ec31772c73...ad.exe

windows7-x64

10

ec31772c73...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ec31772c73b9e06790e6a86591be7cabd6fce8ac99a9941f44952ddd867311ad

  • Size

    42KB

  • Sample

    221129-hnv3xaaa4v

  • MD5

    a0bc58f41dbce21caa997784184858f9

  • SHA1

    abc20f1539d957a03c8f94166fbca05803e149e9

  • SHA256

    ec31772c73b9e06790e6a86591be7cabd6fce8ac99a9941f44952ddd867311ad

  • SHA512

    97ab0c402d9d10c2bff754056994225cc8c7209c5325ceffec4aca6e9ba25d1c19e811c666892b6b98abe54b7092c7a41a52d21ff0ff4162940fbb99225675c9

  • SSDEEP

    768:gyz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888S:hzOCay4wV339rPjzbpLwRJ9pSdoID

Score
10/10
aspackv2evasionpersistence

Malware Config

Targets

    • Target

      ec31772c73b9e06790e6a86591be7cabd6fce8ac99a9941f44952ddd867311ad

    • Size

      42KB

    • MD5

      a0bc58f41dbce21caa997784184858f9

    • SHA1

      abc20f1539d957a03c8f94166fbca05803e149e9

    • SHA256

      ec31772c73b9e06790e6a86591be7cabd6fce8ac99a9941f44952ddd867311ad

    • SHA512

      97ab0c402d9d10c2bff754056994225cc8c7209c5325ceffec4aca6e9ba25d1c19e811c666892b6b98abe54b7092c7a41a52d21ff0ff4162940fbb99225675c9

    • SSDEEP

      768:gyz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888S:hzOCay4wV339rPjzbpLwRJ9pSdoID

    Score
    10/10
    aspackv2evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks