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Overview

overview

10

Static

static

3

04fe04aed1...e4.exe

windows7-x64

10

04fe04aed1...e4.exe

windows10-2004-x64

10

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General

  • Target

    04fe04aed1226c37d5c8eec2e52f4866a7b836f28e8300dc36c2a936158ab7e4

  • Size

    488KB

  • Sample

    240823-wr7srs1blm

  • MD5

    628921281af57fbdd02384411c342f0c

  • SHA1

    4a1e9e114248c711bcce05d99044849f4577d7ea

  • SHA256

    04fe04aed1226c37d5c8eec2e52f4866a7b836f28e8300dc36c2a936158ab7e4

  • SHA512

    42e05b80a7342965643be17cb325857141787d6c910777476dd9f5eb9731317fe15a832973a92f109143ff744bd37043232e162fce0ecbecaad125809f65ee3b

  • SSDEEP

    12288:V/Mi/MP/Mx/M7/Mx/M4/MpBE/Mk/M2/M1:VVK2O2HIBEd7M

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      04fe04aed1226c37d5c8eec2e52f4866a7b836f28e8300dc36c2a936158ab7e4

    • Size

      488KB

    • MD5

      628921281af57fbdd02384411c342f0c

    • SHA1

      4a1e9e114248c711bcce05d99044849f4577d7ea

    • SHA256

      04fe04aed1226c37d5c8eec2e52f4866a7b836f28e8300dc36c2a936158ab7e4

    • SHA512

      42e05b80a7342965643be17cb325857141787d6c910777476dd9f5eb9731317fe15a832973a92f109143ff744bd37043232e162fce0ecbecaad125809f65ee3b

    • SSDEEP

      12288:V/Mi/MP/Mx/M7/Mx/M4/MpBE/Mk/M2/M1:VVK2O2HIBEd7M

    Score
    10/10
    discoveryevasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables cmd.exe use via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Modifies WinLogon

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

9
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks