Overview

overview

10

Static

static

3

08e56feb05...18.exe

windows7-x64

10

08e56feb05...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    08e56feb053508565639eb3023c436b4_JaffaCakes118

  • Size

    1.3MB

  • Sample

    240430-dr7tnaah63

  • MD5

    08e56feb053508565639eb3023c436b4

  • SHA1

    412c9d7a5cae6ed4eb6116aa38f1202ac0057b64

  • SHA256

    929c1953e1d7ba46c9e7b1465a278afe413da9d3bfd29f2d350b675efabf0e88

  • SHA512

    5e9977f4245126f786946ca5676004454d364f8e496135d554221e14d27274d0d8bd214b179ab37ceebd812ffd80f6a07a102ee3f576ce630469568a584e0afe

  • SSDEEP

    24576:YUcZsKB1WsEJKcU4KMIi5z1LvoNayGjSpUaAdyeZbnjlXDF9:x1oKI3MNGGjSpUaeJnJXh9

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      08e56feb053508565639eb3023c436b4_JaffaCakes118

    • Size

      1.3MB

    • MD5

      08e56feb053508565639eb3023c436b4

    • SHA1

      412c9d7a5cae6ed4eb6116aa38f1202ac0057b64

    • SHA256

      929c1953e1d7ba46c9e7b1465a278afe413da9d3bfd29f2d350b675efabf0e88

    • SHA512

      5e9977f4245126f786946ca5676004454d364f8e496135d554221e14d27274d0d8bd214b179ab37ceebd812ffd80f6a07a102ee3f576ce630469568a584e0afe

    • SSDEEP

      24576:YUcZsKB1WsEJKcU4KMIi5z1LvoNayGjSpUaAdyeZbnjlXDF9:x1oKI3MNGGjSpUaeJnJXh9

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (56) files with added filename extension

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

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks