Overview

overview

10

Static

static

8

ec3bd17f29...91.exe

windows7-x64

10

ec3bd17f29...91.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ec3bd17f29f769c959b42a4c73ba416436f7572a8084bb6c9986216d1f7b7091

  • Size

    42KB

  • Sample

    221129-hnvr5saa4s

  • MD5

    b1cbe713bc1321244b0a61d0167fee0d

  • SHA1

    2e89ee4b05d63aaddb3bf346ab8dca435d2fe682

  • SHA256

    ec3bd17f29f769c959b42a4c73ba416436f7572a8084bb6c9986216d1f7b7091

  • SHA512

    cfb4642762f421c35d8748c30f93e0eb82a0176e1cdaf508a69c5db9efbebbb1f5817edaa70467a4b7d1793c6802fcadc32d2c7346a07432bf7217773fc2f2b4

  • SSDEEP

    768:gSz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D88888888887:BzOCay4wV339rPjzbpLwRJ9pSdoIe

Score
10/10
aspackv2evasionpersistence

Malware Config

Targets

    • Target

      ec3bd17f29f769c959b42a4c73ba416436f7572a8084bb6c9986216d1f7b7091

    • Size

      42KB

    • MD5

      b1cbe713bc1321244b0a61d0167fee0d

    • SHA1

      2e89ee4b05d63aaddb3bf346ab8dca435d2fe682

    • SHA256

      ec3bd17f29f769c959b42a4c73ba416436f7572a8084bb6c9986216d1f7b7091

    • SHA512

      cfb4642762f421c35d8748c30f93e0eb82a0176e1cdaf508a69c5db9efbebbb1f5817edaa70467a4b7d1793c6802fcadc32d2c7346a07432bf7217773fc2f2b4

    • SSDEEP

      768:gSz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D88888888887:BzOCay4wV339rPjzbpLwRJ9pSdoIe

    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