Overview

overview

10

Static

static

1d29ce101d...09.exe

windows7_x64

10

1d29ce101d...09.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    1d29ce101d32dbf6d590b9a1a8e5473f6d862d2ef1ea02b7754d8efe62b99f09

  • Size

    1.2MB

  • Sample

    220508-t3wtjafdej

  • MD5

    0ecf16ceba335bcdc023ab71472a247f

  • SHA1

    60b08b42bc540491f978185c0a5e3a28dbda4364

  • SHA256

    1d29ce101d32dbf6d590b9a1a8e5473f6d862d2ef1ea02b7754d8efe62b99f09

  • SHA512

    0e49e63b4b07fff297dbb9b4508ddb7848712c90846f90b474827b45ae1a846f91349b81a1790a76eb8975232598f89432dcae4b5b0211485cbf360eeef3e8e1

Score
10/10
ryukdavediscoveryransomware

Malware Config

Extracted

Path

C:\users\Public\RyukReadMe.html

Family

ryuk

Ransom Note
aragycred1983@protonmail.com balance of shadow universe Ryuk
Emails

aragycred1983@protonmail.com

Targets

    • Target

      1d29ce101d32dbf6d590b9a1a8e5473f6d862d2ef1ea02b7754d8efe62b99f09

    • Size

      1.2MB

    • MD5

      0ecf16ceba335bcdc023ab71472a247f

    • SHA1

      60b08b42bc540491f978185c0a5e3a28dbda4364

    • SHA256

      1d29ce101d32dbf6d590b9a1a8e5473f6d862d2ef1ea02b7754d8efe62b99f09

    • SHA512

      0e49e63b4b07fff297dbb9b4508ddb7848712c90846f90b474827b45ae1a846f91349b81a1790a76eb8975232598f89432dcae4b5b0211485cbf360eeef3e8e1

    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