Overview

overview

10

Static

static

3ee706f07d...a4.exe

windows7-x64

10

3ee706f07d...a4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3ee706f07d13cb9e617eac2b4442479634ab48f11005568c739c6dcab75052a4.exe

  • Size

    397KB

  • Sample

    220819-vm2khsgbdn

  • MD5

    5af409fe584bed2f8b847bb9d2eca34f

  • SHA1

    b49a2eed4d369cd608ffdf8d8cfe491d055f1cd3

  • SHA256

    3ee706f07d13cb9e617eac2b4442479634ab48f11005568c739c6dcab75052a4

  • SHA512

    f822e1a096f1a597b5c55159e725c769e63bf209c789e0e4e33ea6aa7db023aacde206a1151303cefa8b318a7312a3ae675231f8e91cc847d5db2c09c5b970bc

  • SSDEEP

    6144:g4LwKpY6JE5pdSv2RNUJsTGiQNZD0I7oIrrhynRiw1amXQ0YKG0RIb890BEaGTd:gEbEy2RKiQNJ0CrARRg0Y4RK89v1p

Score
10/10
ryukdavediscoveryransomware

Malware Config

Extracted

Path

C:\users\Public\RyukReadMe.html

Family

ryuk

Ransom Note
paustupexmnem1974@protonmail.com balance of shadow universe Ryuk
Emails

paustupexmnem1974@protonmail.com

Targets

    • Target

      3ee706f07d13cb9e617eac2b4442479634ab48f11005568c739c6dcab75052a4.exe

    • Size

      397KB

    • MD5

      5af409fe584bed2f8b847bb9d2eca34f

    • SHA1

      b49a2eed4d369cd608ffdf8d8cfe491d055f1cd3

    • SHA256

      3ee706f07d13cb9e617eac2b4442479634ab48f11005568c739c6dcab75052a4

    • SHA512

      f822e1a096f1a597b5c55159e725c769e63bf209c789e0e4e33ea6aa7db023aacde206a1151303cefa8b318a7312a3ae675231f8e91cc847d5db2c09c5b970bc

    • SSDEEP

      6144:g4LwKpY6JE5pdSv2RNUJsTGiQNZD0I7oIrrhynRiw1amXQ0YKG0RIb890BEaGTd:gEbEy2RKiQNJ0CrARRg0Y4RK89v1p

    Score
    10/10
    ryukdavediscoveryransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Dave packer

      Detects executable using a packer named 'Dave' by the community, based on a string at the end.

      dave

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

      discovery
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Permissions Modification

1
T1222

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks