Overview

overview

7

Static

static

7

a393b151f1...71.exe

windows7-x64

7

a393b151f1...71.exe

windows10-2004-x64

7

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General

  • Target

    a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471

  • Size

    7.3MB

  • Sample

    240526-fmblrsfg7y

  • MD5

    94aed2201b53f0fc18edd5e02b6b298e

  • SHA1

    09b76f606ef51f1e12a3fa8ae3f122a8c54c363d

  • SHA256

    a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471

  • SHA512

    9e7f9619d0d672b51570b4f48df064e8d42d48465e0a499365f5bd76e5d213601375c08f43dd0d108fa0fa7fb11c3e077657944587373a0e1048c8db16c6d68e

  • SSDEEP

    196608:RxS+NFf74XdfIWZT+0xgvrzXkLStrZT+J5jaeUg52tcA1V:PSEFf0tgWU0OvrrxDLtcA1

Score
7/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471

    • Size

      7.3MB

    • MD5

      94aed2201b53f0fc18edd5e02b6b298e

    • SHA1

      09b76f606ef51f1e12a3fa8ae3f122a8c54c363d

    • SHA256

      a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471

    • SHA512

      9e7f9619d0d672b51570b4f48df064e8d42d48465e0a499365f5bd76e5d213601375c08f43dd0d108fa0fa7fb11c3e077657944587373a0e1048c8db16c6d68e

    • SSDEEP

      196608:RxS+NFf74XdfIWZT+0xgvrzXkLStrZT+J5jaeUg52tcA1V:PSEFf0tgWU0OvrrxDLtcA1

    Score
    7/10
    bootkitpersistenceupx

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks