Overview

overview

10

Static

static

92f124ea52...in.exe

windows7_x64

10

92f124ea52...in.exe

windows10_x64

10

Sharing

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General

  • Target

    92f124ea5217f3fe5cbab1c37a961df0437d5a9cbde1af268c60c4b3194b80ed.bin

  • Size

    353KB

  • Sample

    201027-x88gy8282x

  • MD5

    1737388ce8b0b5fc2dbc22f5b7352b7c

  • SHA1

    e62135254b3a51f0180e70a11e4c3ad4a59f81c4

  • SHA256

    92f124ea5217f3fe5cbab1c37a961df0437d5a9cbde1af268c60c4b3194b80ed

  • SHA512

    e47d6fe5049e3019dfb1161bfaf7038171dad39c657200c115cbc26f2be46ead92319e20e5e77e0e91ad93d17562090dda75efc5fb5fb22bef1d47df2aef657b

Score
10/10
ryukdiscoveryransomwarespyware

Malware Config

Targets

    • Target

      92f124ea5217f3fe5cbab1c37a961df0437d5a9cbde1af268c60c4b3194b80ed.bin

    • Size

      353KB

    • MD5

      1737388ce8b0b5fc2dbc22f5b7352b7c

    • SHA1

      e62135254b3a51f0180e70a11e4c3ad4a59f81c4

    • SHA256

      92f124ea5217f3fe5cbab1c37a961df0437d5a9cbde1af268c60c4b3194b80ed

    • SHA512

      e47d6fe5049e3019dfb1161bfaf7038171dad39c657200c115cbc26f2be46ead92319e20e5e77e0e91ad93d17562090dda75efc5fb5fb22bef1d47df2aef657b

    Score
    10/10
    ryukdiscoveryransomwarespyware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spyware

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks