Overview

overview

10

Static

static

7

70f223cca7...18.exe

windows7-x64

10

70f223cca7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    70f223cca72acf33a633a0fee099065b_JaffaCakes118

  • Size

    857KB

  • Sample

    240525-fvey6afd51

  • MD5

    70f223cca72acf33a633a0fee099065b

  • SHA1

    102de80692749a34ce0df6c02b64f46c1246e254

  • SHA256

    30979b20bbf2e53cc7a6d0f05dec1b4428960da6abc5c78e9f116b551a267d53

  • SHA512

    0c172467961d62e5cd8be10b8501d0a5d86f2bf6198cdee6c3212c3a72614c21bb0cdc57c208edeff1e4252f675f7cdad649b654141ed7005aa2be2c34538d45

  • SSDEEP

    24576:ZMMpXS0hN0V0HoSySGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63nN:Kwi0L0qlnxz

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      70f223cca72acf33a633a0fee099065b_JaffaCakes118

    • Size

      857KB

    • MD5

      70f223cca72acf33a633a0fee099065b

    • SHA1

      102de80692749a34ce0df6c02b64f46c1246e254

    • SHA256

      30979b20bbf2e53cc7a6d0f05dec1b4428960da6abc5c78e9f116b551a267d53

    • SHA512

      0c172467961d62e5cd8be10b8501d0a5d86f2bf6198cdee6c3212c3a72614c21bb0cdc57c208edeff1e4252f675f7cdad649b654141ed7005aa2be2c34538d45

    • SSDEEP

      24576:ZMMpXS0hN0V0HoSySGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63nN:Kwi0L0qlnxz

    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