Overview

overview

10

Static

static

8

da9891077b...55.exe

windows7-x64

10

da9891077b...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    da9891077bbcb9a1ceb6f0454196cceb1176e2b02375fd2f08290f5ba1df4655

  • Size

    42KB

  • Sample

    221129-hnxlqsfa54

  • MD5

    a74fe7c347e88d87ab704086bc6cba7e

  • SHA1

    555cd82d2d7c2852c495cea5107fe3c363724783

  • SHA256

    da9891077bbcb9a1ceb6f0454196cceb1176e2b02375fd2f08290f5ba1df4655

  • SHA512

    9740ec82128b0002e0a6d4439f7d41e671dd934f501bf09a12c6ed55618b815364ad17751084ec656c528743e8615af85021c859440eff35205a36092f75554c

  • SSDEEP

    768:gyz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888q:hzOCay4wV339rPjzbpLwRJ9pSdoIT

Score
10/10
aspackv2evasionpersistence

Malware Config

Targets

    • Target

      da9891077bbcb9a1ceb6f0454196cceb1176e2b02375fd2f08290f5ba1df4655

    • Size

      42KB

    • MD5

      a74fe7c347e88d87ab704086bc6cba7e

    • SHA1

      555cd82d2d7c2852c495cea5107fe3c363724783

    • SHA256

      da9891077bbcb9a1ceb6f0454196cceb1176e2b02375fd2f08290f5ba1df4655

    • SHA512

      9740ec82128b0002e0a6d4439f7d41e671dd934f501bf09a12c6ed55618b815364ad17751084ec656c528743e8615af85021c859440eff35205a36092f75554c

    • SSDEEP

      768:gyz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888q:hzOCay4wV339rPjzbpLwRJ9pSdoIT

    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