Overview

overview

10

Static

static

3

70d462fc99...18.exe

windows7-x64

10

70d462fc99...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    70d462fc99a5c81c15a0738faeadd584_JaffaCakes118

  • Size

    1.4MB

  • Sample

    240525-et6vtaeb2s

  • MD5

    70d462fc99a5c81c15a0738faeadd584

  • SHA1

    6babff7528d909326ada0cbcff5e280485aa5eac

  • SHA256

    be320e20f29e49ef90082f84fed1736dd2434f1bd9d222b2ba76030ad92e93fa

  • SHA512

    19ecd315fdf0f5a390b3343f1b4e5169986ca9b0dcbcbc19e77d6c8f124f369680a6c1a99b8df1fff87a3d59e5229ee8500ef070f2261f23dc47bc63367eac04

  • SSDEEP

    24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvM:oEs1ha

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      70d462fc99a5c81c15a0738faeadd584_JaffaCakes118

    • Size

      1.4MB

    • MD5

      70d462fc99a5c81c15a0738faeadd584

    • SHA1

      6babff7528d909326ada0cbcff5e280485aa5eac

    • SHA256

      be320e20f29e49ef90082f84fed1736dd2434f1bd9d222b2ba76030ad92e93fa

    • SHA512

      19ecd315fdf0f5a390b3343f1b4e5169986ca9b0dcbcbc19e77d6c8f124f369680a6c1a99b8df1fff87a3d59e5229ee8500ef070f2261f23dc47bc63367eac04

    • SSDEEP

      24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvM:oEs1ha

    Score
    10/10
    persistenceransomware

    • 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

    • 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