Overview

overview

10

Static

static

3

0090a3258e...18.exe

windows7-x64

10

0090a3258e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0090a3258e3cef4f225479f0d4d6a000_JaffaCakes118

  • Size

    327KB

  • Sample

    240328-je3basfe6s

  • MD5

    0090a3258e3cef4f225479f0d4d6a000

  • SHA1

    19fdccbaada2fa390c5c7c1e1fb5212fac9f426b

  • SHA256

    f9091d8bc103939a6816dbad03d51e8b15e258d0d9e3dded49fca011519b6295

  • SHA512

    ba69c7338982a9ab24b558857c02cbeb403113b059845806dadbfa2dbbf8b220849219e20a367a90079480f3dae04184d21766ac67caa9701b0a8c4f025c24b1

  • SSDEEP

    6144:4MvWgVVWzRXrOk8nwTu1Xww2LjUGMLscocDF8bf6iPeVGX2p7TD3Fh3AVBTgv1Ty:1VVWzRXrOk8nwTu1Xww2LjUGMLscocDq

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      0090a3258e3cef4f225479f0d4d6a000_JaffaCakes118

    • Size

      327KB

    • MD5

      0090a3258e3cef4f225479f0d4d6a000

    • SHA1

      19fdccbaada2fa390c5c7c1e1fb5212fac9f426b

    • SHA256

      f9091d8bc103939a6816dbad03d51e8b15e258d0d9e3dded49fca011519b6295

    • SHA512

      ba69c7338982a9ab24b558857c02cbeb403113b059845806dadbfa2dbbf8b220849219e20a367a90079480f3dae04184d21766ac67caa9701b0a8c4f025c24b1

    • SSDEEP

      6144:4MvWgVVWzRXrOk8nwTu1Xww2LjUGMLscocDF8bf6iPeVGX2p7TD3Fh3AVBTgv1Ty:1VVWzRXrOk8nwTu1Xww2LjUGMLscocDq

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (52) 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.

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks