Overview

overview

10

Static

static

jigsaw.exe

windows7_x64

10

jigsaw.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    0452e218b610df4dd501c5090d3df5680013b8eb83b83937c7e2f2ee1588b7a5

  • Size

    237KB

  • Sample

    220527-1a2yeahcfk

  • MD5

    a77c51978a9b80093536387a2a8dda6c

  • SHA1

    3f7c877234d58014155116b3a64cf52a4240144d

  • SHA256

    0452e218b610df4dd501c5090d3df5680013b8eb83b83937c7e2f2ee1588b7a5

  • SHA512

    5a690ca9c4bc5b3c682003dea0aa08361d4b7db6a1227ed8e01a0c114f19932a62d6e118fce4bcdda6536d377fb1259caeeaac4bf3795437af2721ad977ab466

Score
10/10
jigsawpersistenceransomware

Malware Config

Targets

    • Target

      jigsaw

    • Size

      283KB

    • MD5

      2773e3dc59472296cb0024ba7715a64e

    • SHA1

      27d99fbca067f478bb91cdbcb92f13a828b00859

    • SHA256

      3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7

    • SHA512

      6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262

    Score
    10/10
    jigsawpersistenceransomware

    • Jigsaw Ransomware

      Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

      ransomwarejigsaw

    • 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.

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks