Overview

overview

10

Static

static

7

fdce142565...18.exe

windows7-x64

10

fdce142565...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fdce1425655560788e967139ca42c9ee_JaffaCakes118

  • Size

    953KB

  • Sample

    240420-2g5hjscc4y

  • MD5

    fdce1425655560788e967139ca42c9ee

  • SHA1

    47a7e2a749b1c7d36bd74df584e6a0f5bd3e8b96

  • SHA256

    14ec3fd0be532eae481d4d8445c4ade287c64bf853ede3dd5b80c5dc9ec8eaae

  • SHA512

    78c0b8fd6187998efdf0017d13eefc1a12b26168866832a323b609ba5c531597b15e31afabc649b10839ae461826ccc3b98adc6252c406641def192c2ce964b7

  • SSDEEP

    6144:BiMmXRH6pXfSb0ceR/VFAHh1kgcs0HWxkyApZhPz1o5dv7wzEC6x3yijyiaQlF2p:bMMpXKb0hNGh1kG0HWbApLHd

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      fdce1425655560788e967139ca42c9ee_JaffaCakes118

    • Size

      953KB

    • MD5

      fdce1425655560788e967139ca42c9ee

    • SHA1

      47a7e2a749b1c7d36bd74df584e6a0f5bd3e8b96

    • SHA256

      14ec3fd0be532eae481d4d8445c4ade287c64bf853ede3dd5b80c5dc9ec8eaae

    • SHA512

      78c0b8fd6187998efdf0017d13eefc1a12b26168866832a323b609ba5c531597b15e31afabc649b10839ae461826ccc3b98adc6252c406641def192c2ce964b7

    • SSDEEP

      6144:BiMmXRH6pXfSb0ceR/VFAHh1kgcs0HWxkyApZhPz1o5dv7wzEC6x3yijyiaQlF2p:bMMpXKb0hNGh1kG0HWbApLHd

    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