Overview

overview

10

Static

static

7

6c21a45fe1...18.exe

windows7-x64

10

6c21a45fe1...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6c21a45fe14032a24019a552ee571570_JaffaCakes118

  • Size

    819KB

  • Sample

    240523-y285paeh2x

  • MD5

    6c21a45fe14032a24019a552ee571570

  • SHA1

    0b73192ecf7502061b59d14808750eba47a71d90

  • SHA256

    c25d84c7ff7416d1dc1466ef04bb93079d96521ddca53b5f94f0e89446a1d9cb

  • SHA512

    0afc7f7ae971af6d1d2ac6041f9e218733517c775622cf770eb2ca1d622b5c812ba8db96fbf0fc84ed42fba19395f9d9dd7b8d38cd90afb39063d9340a07107d

  • SSDEEP

    24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0N/:Kwi0L0qks

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      6c21a45fe14032a24019a552ee571570_JaffaCakes118

    • Size

      819KB

    • MD5

      6c21a45fe14032a24019a552ee571570

    • SHA1

      0b73192ecf7502061b59d14808750eba47a71d90

    • SHA256

      c25d84c7ff7416d1dc1466ef04bb93079d96521ddca53b5f94f0e89446a1d9cb

    • SHA512

      0afc7f7ae971af6d1d2ac6041f9e218733517c775622cf770eb2ca1d622b5c812ba8db96fbf0fc84ed42fba19395f9d9dd7b8d38cd90afb39063d9340a07107d

    • SSDEEP

      24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0N/:Kwi0L0qks

    Score
    10/10
    aspackv2persistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Drops startup file

    • Executes dropped EXE

    • 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 v13

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

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

Resource Development

Reconnaissance

Tasks