Overview

overview

10

Static

static

8

d2f50eee87...c5.exe

windows7-x64

10

d2f50eee87...c5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d2f50eee8786568c10f8e604ffdcd8441187a630d6eb6e79f999c35ceaf84dc5

  • Size

    42KB

  • Sample

    221129-hnx79sfa56

  • MD5

    76fc6dd56b4f8ddc559c77036b76b937

  • SHA1

    3e37d7bc9420c4fdde2d907d8d1ca1196e934bf1

  • SHA256

    d2f50eee8786568c10f8e604ffdcd8441187a630d6eb6e79f999c35ceaf84dc5

  • SHA512

    4a6213f0ddbaeb68a7b17516ed51d52e8434ec91102a6023396c468c4c6cd50acc8adf02e3f172bf6ae22d478bf9161bbbc0aea02ab68b9c505b5fe7bdbfeef6

  • SSDEEP

    768:gSz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888s:BzOCay4wV339rPjzbpLwRJ9pSdoI1

Score
10/10
aspackv2evasionpersistence

Malware Config

Targets

    • Target

      d2f50eee8786568c10f8e604ffdcd8441187a630d6eb6e79f999c35ceaf84dc5

    • Size

      42KB

    • MD5

      76fc6dd56b4f8ddc559c77036b76b937

    • SHA1

      3e37d7bc9420c4fdde2d907d8d1ca1196e934bf1

    • SHA256

      d2f50eee8786568c10f8e604ffdcd8441187a630d6eb6e79f999c35ceaf84dc5

    • SHA512

      4a6213f0ddbaeb68a7b17516ed51d52e8434ec91102a6023396c468c4c6cd50acc8adf02e3f172bf6ae22d478bf9161bbbc0aea02ab68b9c505b5fe7bdbfeef6

    • SSDEEP

      768:gSz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888s:BzOCay4wV339rPjzbpLwRJ9pSdoI1

    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

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks