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Overview

overview

10

Static

static

7

fca100e9b3...71.exe

windows7-x64

10

fca100e9b3...71.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71

  • Size

    91KB

  • Sample

    240817-jm3a9syajm

  • MD5

    27b1c4297c47b270d68946b0160f27d6

  • SHA1

    c23f0b6239d8dc4a73455c9d46605c7525a1e200

  • SHA256

    fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71

  • SHA512

    89f3c28bf5424843d79d68c798f662bff72eaee5c995fdf4e91c604c9ac7b9bc0e135c1f0787e6dcee7acb5e035a6ae8fb877d6891db49d96d1a76bacc510126

  • SSDEEP

    1536:XRsjdLaslqdBXvTUL0Hnouy8VjORsjdLaslqdBXvTUL0Hnouy8Vje:XOJKqsout9OOJKqsout9e

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71

    • Size

      91KB

    • MD5

      27b1c4297c47b270d68946b0160f27d6

    • SHA1

      c23f0b6239d8dc4a73455c9d46605c7525a1e200

    • SHA256

      fca100e9b3228812f182efa1ea35a55c0be2f7da9c9bc36453b7f4e8c7316e71

    • SHA512

      89f3c28bf5424843d79d68c798f662bff72eaee5c995fdf4e91c604c9ac7b9bc0e135c1f0787e6dcee7acb5e035a6ae8fb877d6891db49d96d1a76bacc510126

    • SSDEEP

      1536:XRsjdLaslqdBXvTUL0Hnouy8VjORsjdLaslqdBXvTUL0Hnouy8Vje:XOJKqsout9OOJKqsout9e

    Score
    10/10
    discoveryevasionpersistenceupx

    • 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 use of System Restore points

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
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

6
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

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks