Overview

overview

10

Static

static

3

72f15dce2f...18.exe

windows7-x64

10

72f15dce2f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    72f15dce2fb58c6bb1a9abb63a38e456_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240525-xp2peafa63

  • MD5

    72f15dce2fb58c6bb1a9abb63a38e456

  • SHA1

    e1ae8b2bc824aee591cd16a10d1506651b9d2144

  • SHA256

    793c32d6660a388f837206d748cd633275ea1bf9ca2d9919f7994bdcef578cbb

  • SHA512

    f841b6b0327eaa513abcc3a715a3111566fa0c4c04e72f1213f443f1f75439858a64ae86c1bf5cd0e3ec8c58bcf845071d1c7561f85ce5e1cb02502597c43c5c

  • SSDEEP

    24576:KEtl9mRda1ISGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvQ:BEs1ly

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      72f15dce2fb58c6bb1a9abb63a38e456_JaffaCakes118

    • Size

      1.1MB

    • MD5

      72f15dce2fb58c6bb1a9abb63a38e456

    • SHA1

      e1ae8b2bc824aee591cd16a10d1506651b9d2144

    • SHA256

      793c32d6660a388f837206d748cd633275ea1bf9ca2d9919f7994bdcef578cbb

    • SHA512

      f841b6b0327eaa513abcc3a715a3111566fa0c4c04e72f1213f443f1f75439858a64ae86c1bf5cd0e3ec8c58bcf845071d1c7561f85ce5e1cb02502597c43c5c

    • SSDEEP

      24576:KEtl9mRda1ISGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvQ:BEs1ly

    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