Overview

overview

10

Static

static

3

d6b7b27e13...a9.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    d6b7b27e13700aaa7f108bf9e76473717a7a1665198e9aafcc2d2227ca11bba9.zip

  • Size

    65KB

  • Sample

    240626-rptqxa1ejn

  • MD5

    f66650f1eb0e575523e8da5154782a4b

  • SHA1

    e3c94add02925529158a812030e3efeb4f728c92

  • SHA256

    c1c45475c472ffb43d4922bd109e93d4bccfa18b97f8fc328929ef489dcc909b

  • SHA512

    46dc8d2992b1b77613df928ad181e41160badca08c2b66bbcf5c06bed297876c7a83a7088f441479e40a5cc3a7e5218b8132f2044e7f8b9ddd1f27c8017a4eed

  • SSDEEP

    1536:X8zJimUveEFIcD5IH0JOSgb9UEfoyHi5Tunsn+xSyO:sNBItp6pxb9L5C5TEsn+u

Score
10/10
ryukdiscoveryransomwarespywarestealer

Malware Config

Targets

    • Target

      d6b7b27e13700aaa7f108bf9e76473717a7a1665198e9aafcc2d2227ca11bba9.exe

    • Size

      131KB

    • MD5

      2cc630e080bb8de5faf9f5ae87f43f8b

    • SHA1

      5a385b8b4b88b6eb93b771b7fbbe190789ef396a

    • SHA256

      d6b7b27e13700aaa7f108bf9e76473717a7a1665198e9aafcc2d2227ca11bba9

    • SHA512

      901939718692e20a969887e64db581d6fed62c99026709c672edb75ebfa35ce02fa68308d70d463afbcc42a46e52ea9f7bc5ed93e5dbf3772d221064d88e11d7

    • SSDEEP

      3072:j06qm9E8obCg2QdgYdrp23suV+eGg21Yg:j06qHnOg3df9eAJ

    Score
    10/10
    ryukdiscoveryransomwarespywarestealer

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Renames multiple (7433) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Drops startup file

    • Modifies file permissions

      discovery

    • 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)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

File and Directory Permissions Modification

1
T1222

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks