General

  • Target

    012c0953d1803e4e3f6a0c2183d22dd2_JaffaCakes118

  • Size

    3.8MB

  • Sample

    240426-ts2a9sfd78

  • MD5

    012c0953d1803e4e3f6a0c2183d22dd2

  • SHA1

    f37b8d2be55a81475cb90288d8f3b0b7e7f322c3

  • SHA256

    81aa4fa2f5b0c027e5939a1615929cf4d58db3ccf38744ad06d6e7f85a2a85f9

  • SHA512

    121d6d049e5c0d25e7d49c83d2b04c7ee6809371c40e9f26d0bec9167b95af6268c597d76e421f98e08ee3217422b5f6df911ac885a16dacd08f096b129f4b4d

  • SSDEEP

    49152:hEs1UfPOgo7kMcbnKc/7PW9kwUidyZNSLx4qtamNzM1nEAadHi04:hE2UfzMc0MNSL14

Score
10/10

Malware Config

Targets

    • Target

      012c0953d1803e4e3f6a0c2183d22dd2_JaffaCakes118

    • Size

      3.8MB

    • MD5

      012c0953d1803e4e3f6a0c2183d22dd2

    • SHA1

      f37b8d2be55a81475cb90288d8f3b0b7e7f322c3

    • SHA256

      81aa4fa2f5b0c027e5939a1615929cf4d58db3ccf38744ad06d6e7f85a2a85f9

    • SHA512

      121d6d049e5c0d25e7d49c83d2b04c7ee6809371c40e9f26d0bec9167b95af6268c597d76e421f98e08ee3217422b5f6df911ac885a16dacd08f096b129f4b4d

    • SSDEEP

      49152:hEs1UfPOgo7kMcbnKc/7PW9kwUidyZNSLx4qtamNzM1nEAadHi04:hE2UfzMc0MNSL14

    Score
    10/10
    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

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

    • 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

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

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

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Tasks