Overview

overview

10

Static

static

8

23fb929190...9c.exe

windows7_x64

10

23fb929190...9c.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    23fb92919059417d63da18028869fdb717db5e07ad305d9d244246492c67009c

  • Size

    3.2MB

  • Sample

    220520-3gh5zsghc2

  • MD5

    164522c5805de5f7392cf0f81e67914f

  • SHA1

    11da4bf6263230b0f740d0f602ee7b9d5bd00800

  • SHA256

    23fb92919059417d63da18028869fdb717db5e07ad305d9d244246492c67009c

  • SHA512

    7c3c8dbe99a9f1c4b7e6e06ecd84a209c224ee41490e358b978de90ee0b42d354e8d6bdcb4932d8465b63b500b67c057992de8c2dbf61d7cfce0cfea8e5e05da

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      23fb92919059417d63da18028869fdb717db5e07ad305d9d244246492c67009c

    • Size

      3.2MB

    • MD5

      164522c5805de5f7392cf0f81e67914f

    • SHA1

      11da4bf6263230b0f740d0f602ee7b9d5bd00800

    • SHA256

      23fb92919059417d63da18028869fdb717db5e07ad305d9d244246492c67009c

    • SHA512

      7c3c8dbe99a9f1c4b7e6e06ecd84a209c224ee41490e358b978de90ee0b42d354e8d6bdcb4932d8465b63b500b67c057992de8c2dbf61d7cfce0cfea8e5e05da

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies system executable filetype association

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options in registry

      persistence

    • Sets service image path in registry

      persistence

    • UPX packed file

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

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Registry Run Keys / Startup Folder

3
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks