Overview

overview

10

Static

static

8

637e7b4990...67.exe

windows7_x64

10

637e7b4990...67.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    637e7b4990ce67f023c7bba55f87fb80cc80b81ceff20057f8139dd2bffd0567

  • Size

    196KB

  • Sample

    220707-eh2fyscfgl

  • MD5

    04f347421ddddd5013348c1374ecd91d

  • SHA1

    de2236b8e50e2237604a1ac6309cfa95ebaf6d5a

  • SHA256

    637e7b4990ce67f023c7bba55f87fb80cc80b81ceff20057f8139dd2bffd0567

  • SHA512

    39596148aae0c037f2776dd77c804c13d60a4847795b06b506b00d0c68e4c0d602419fa6810e8154ef6d95bbb76398f3a254bbc4e677bc19babe69b552d4000d

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      637e7b4990ce67f023c7bba55f87fb80cc80b81ceff20057f8139dd2bffd0567

    • Size

      196KB

    • MD5

      04f347421ddddd5013348c1374ecd91d

    • SHA1

      de2236b8e50e2237604a1ac6309cfa95ebaf6d5a

    • SHA256

      637e7b4990ce67f023c7bba55f87fb80cc80b81ceff20057f8139dd2bffd0567

    • SHA512

      39596148aae0c037f2776dd77c804c13d60a4847795b06b506b00d0c68e4c0d602419fa6810e8154ef6d95bbb76398f3a254bbc4e677bc19babe69b552d4000d

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies system executable filetype association

      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

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Change Default File Association

1
T1042

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Tasks