Overview

overview

10

Static

static

7

d1f80878a3...bN.exe

windows7-x64

10

d1f80878a3...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d1f80878a34d33df0da9550eb796c89cf057501c29b9cbf06468b6a5261c466bN

  • Size

    63KB

  • Sample

    240920-fw5wza1bpl

  • MD5

    76f9dbccaef55bacde3b372f2a02b3f0

  • SHA1

    290f1635e8d357fb9bd9a5d361e9e6e6ad187221

  • SHA256

    d1f80878a34d33df0da9550eb796c89cf057501c29b9cbf06468b6a5261c466b

  • SHA512

    0080d834a121217fb1a344201b0305ceb77b6b3c3c988fb1576461a0190f480d56b79dab78d1c45d578297ad46f2108f87490ce31e4119edc7275a349e91a24e

  • SSDEEP

    768:jSxam3Usjr3REXXr8yxFChMp7v9DLKrzCnbcuyD7UVeQI5nodcAvcV4RP0U+t6:jRsjdEIUFC2p79OCnouy8VDiAG4RsfU

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      d1f80878a34d33df0da9550eb796c89cf057501c29b9cbf06468b6a5261c466bN

    • Size

      63KB

    • MD5

      76f9dbccaef55bacde3b372f2a02b3f0

    • SHA1

      290f1635e8d357fb9bd9a5d361e9e6e6ad187221

    • SHA256

      d1f80878a34d33df0da9550eb796c89cf057501c29b9cbf06468b6a5261c466b

    • SHA512

      0080d834a121217fb1a344201b0305ceb77b6b3c3c988fb1576461a0190f480d56b79dab78d1c45d578297ad46f2108f87490ce31e4119edc7275a349e91a24e

    • SSDEEP

      768:jSxam3Usjr3REXXr8yxFChMp7v9DLKrzCnbcuyD7UVeQI5nodcAvcV4RP0U+t6:jRsjdEIUFC2p79OCnouy8VDiAG4RsfU

    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 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

System Information Discovery

1
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