Overview

overview

10

Static

static

7

0017818a9b...bf.exe

windows7-x64

10

0017818a9b...bf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0017818a9b102d38c48481341260093bb325ba13cc1ebc1df0ec1145ef0d7bbf

  • Size

    91KB

  • Sample

    240516-wmyz3aha75

  • MD5

    ad4e0e96f07771b4c3d78b06e63a4a05

  • SHA1

    2b1606a66ca8713f7e266d0977ecf958604bf5b3

  • SHA256

    0017818a9b102d38c48481341260093bb325ba13cc1ebc1df0ec1145ef0d7bbf

  • SHA512

    e14badf819fe2304cfd16bdda452e1beeddde468dd0e581ca856bbeaaecf34db2bd96029b189b2537efbb5529b1ffb6fc9fbf6e196676ab10744f658f82c7cfb

  • SSDEEP

    1536:yOcjUpkWb2TTgKwudOcjUpkWb2TTgKwuq:yOcjWJu7tdOcjWJu7tq

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      0017818a9b102d38c48481341260093bb325ba13cc1ebc1df0ec1145ef0d7bbf

    • Size

      91KB

    • MD5

      ad4e0e96f07771b4c3d78b06e63a4a05

    • SHA1

      2b1606a66ca8713f7e266d0977ecf958604bf5b3

    • SHA256

      0017818a9b102d38c48481341260093bb325ba13cc1ebc1df0ec1145ef0d7bbf

    • SHA512

      e14badf819fe2304cfd16bdda452e1beeddde468dd0e581ca856bbeaaecf34db2bd96029b189b2537efbb5529b1ffb6fc9fbf6e196676ab10744f658f82c7cfb

    • SSDEEP

      1536:yOcjUpkWb2TTgKwudOcjUpkWb2TTgKwuq:yOcjWJu7tdOcjWJu7tq

    Score
    10/10
    evasionpersistenceupx

    • 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 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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks