Overview

overview

10

Static

static

279e64be32...fb.exe

windows7_x64

10

279e64be32...fb.exe

windows10_x64

10

Sharing

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General

  • Target

    279e64be324c8c9f3863e3bb4aecee03e64a34c071c3fb70b007a2833079fffb

  • Size

    532KB

  • Sample

    210511-jmewnahyrs

  • MD5

    2146eb12d4f3329cb86bb6d297f6c157

  • SHA1

    8ad0a576e0f8b3cc3f10d5cf75d9bb6890ded77d

  • SHA256

    279e64be324c8c9f3863e3bb4aecee03e64a34c071c3fb70b007a2833079fffb

  • SHA512

    d700600c6b41f4231b93b424624292a0cd8106204b00a3c550dab67bee526686a003511508390b3ece947506ea084e9a2cf77e0c84c00edf400f8e67099f39f9

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      279e64be324c8c9f3863e3bb4aecee03e64a34c071c3fb70b007a2833079fffb

    • Size

      532KB

    • MD5

      2146eb12d4f3329cb86bb6d297f6c157

    • SHA1

      8ad0a576e0f8b3cc3f10d5cf75d9bb6890ded77d

    • SHA256

      279e64be324c8c9f3863e3bb4aecee03e64a34c071c3fb70b007a2833079fffb

    • SHA512

      d700600c6b41f4231b93b424624292a0cd8106204b00a3c550dab67bee526686a003511508390b3ece947506ea084e9a2cf77e0c84c00edf400f8e67099f39f9

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Deletes itself

    • 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

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

6
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks