Overview

overview

10

Static

static

8

c54cdc55cb...3f.exe

windows7-x64

10

c54cdc55cb...3f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c54cdc55cbea50818640cc6787ebc1bfada7df04f053af1e1d1ff6db546f993f

  • Size

    214KB

  • Sample

    221129-jzx73sba72

  • MD5

    7a64bb9aa05ce5cc0a9dac285a23e482

  • SHA1

    c432236ff71bd6fbcd444eb8e5aefa6b0d775c06

  • SHA256

    c54cdc55cbea50818640cc6787ebc1bfada7df04f053af1e1d1ff6db546f993f

  • SHA512

    05f28c43f5845f5883dba6305f7bc5b996c487889f66a244fd1daa0df3036dc505e0cf027659400e75bce3efa30b12a3c79480a214cb21281626fa46dab42980

  • SSDEEP

    6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyAp/Qzv9:ZMMpXKb0hNGh1kG0HWnARQzv9

Score
10/10
aspackv2persistence

Malware Config

Targets

    • Target

      c54cdc55cbea50818640cc6787ebc1bfada7df04f053af1e1d1ff6db546f993f

    • Size

      214KB

    • MD5

      7a64bb9aa05ce5cc0a9dac285a23e482

    • SHA1

      c432236ff71bd6fbcd444eb8e5aefa6b0d775c06

    • SHA256

      c54cdc55cbea50818640cc6787ebc1bfada7df04f053af1e1d1ff6db546f993f

    • SHA512

      05f28c43f5845f5883dba6305f7bc5b996c487889f66a244fd1daa0df3036dc505e0cf027659400e75bce3efa30b12a3c79480a214cb21281626fa46dab42980

    • SSDEEP

      6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyAp/Qzv9:ZMMpXKb0hNGh1kG0HWnARQzv9

    Score
    10/10
    aspackv2persistence

    • Modifies WinLogon for persistence

      persistence

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks