Overview

overview

10

Static

static

158a1982fe...9e.exe

windows7_x64

10

158a1982fe...9e.exe

windows10_x64

10

Sharing

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General

  • Target

    158a1982fe4817594301200a8cbadf44d0b893bdd9060f9e7790fae0b556ef9e

  • Size

    1.0MB

  • Sample

    210511-3zysajs2ke

  • MD5

    55ac736a7fd1e0a00afb7a1bf889acf5

  • SHA1

    dbd3f2f7553d5f3059a7144e2f4ae4f7d9e2e01c

  • SHA256

    158a1982fe4817594301200a8cbadf44d0b893bdd9060f9e7790fae0b556ef9e

  • SHA512

    3f0d00e4567295501b421e3e749fec215c9a119413b90fde56ac0eefcfd3727eb42bb9456196a818c5990bfb57de1649409dc9d159c2713a294c114160eb05d2

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      158a1982fe4817594301200a8cbadf44d0b893bdd9060f9e7790fae0b556ef9e

    • Size

      1.0MB

    • MD5

      55ac736a7fd1e0a00afb7a1bf889acf5

    • SHA1

      dbd3f2f7553d5f3059a7144e2f4ae4f7d9e2e01c

    • SHA256

      158a1982fe4817594301200a8cbadf44d0b893bdd9060f9e7790fae0b556ef9e

    • SHA512

      3f0d00e4567295501b421e3e749fec215c9a119413b90fde56ac0eefcfd3727eb42bb9456196a818c5990bfb57de1649409dc9d159c2713a294c114160eb05d2

    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.

    • 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 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

5
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

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks