Overview

overview

10

Static

static

10

2024-06-15...ry.exe

windows7-x64

10

2024-06-15...ry.exe

windows10-2004-x64

10

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General

  • Target

    2024-06-15_c59b146527f64f61bab43738e42a4584_wannacry

  • Size

    621KB

  • Sample

    240615-njm5dsydra

  • MD5

    c59b146527f64f61bab43738e42a4584

  • SHA1

    81335c9ae2895102ffab8dfade3435e617cb762b

  • SHA256

    0640261e1185fc1b8174975a96a60a54ff0b89c006dfba61a0e2e9256690fa67

  • SHA512

    601c3be9f390e51d61e27874073722cac440ae82243e78b6b14576d63e619968500ab16ea7352e4fb0851b46fa081372cf2153a6daf014842d9668d71b7ad611

  • SSDEEP

    12288:D4cOG8Hjr47Ua00F2A71DdkA5gmzrM1TZYODC15rHAraEmCs3eBWKFrVHOX17c8:UqFwtZen1h

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-06-15_c59b146527f64f61bab43738e42a4584_wannacry

    • Size

      621KB

    • MD5

      c59b146527f64f61bab43738e42a4584

    • SHA1

      81335c9ae2895102ffab8dfade3435e617cb762b

    • SHA256

      0640261e1185fc1b8174975a96a60a54ff0b89c006dfba61a0e2e9256690fa67

    • SHA512

      601c3be9f390e51d61e27874073722cac440ae82243e78b6b14576d63e619968500ab16ea7352e4fb0851b46fa081372cf2153a6daf014842d9668d71b7ad611

    • SSDEEP

      12288:D4cOG8Hjr47Ua00F2A71DdkA5gmzrM1TZYODC15rHAraEmCs3eBWKFrVHOX17c8:UqFwtZen1h

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Detects command variations typically used by ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks