Overview

overview

10

Static

static

3

040a43a530...16.exe

windows7-x64

10

040a43a530...16.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    040a43a53026d1eb8a1b39fb1216e716.exe

  • Size

    556KB

  • Sample

    240101-yppwaabeh3

  • MD5

    040a43a53026d1eb8a1b39fb1216e716

  • SHA1

    9090487c6b239968f3e980f24d87f01e8a2f0c95

  • SHA256

    5def381413fba68eb44ef49c9991bdea93daf3ae3ff4d86d0c0120c5b2bb49a4

  • SHA512

    38706f6fa14f8c9120f7e63c76dc767ed071c2d4de016ddb5ee408bc8f614a72d5a5e66608d67f147bc1cdd952685ae1a49caa8624a1e782a4f9ae82ba002f85

  • SSDEEP

    12288:Dlsns1q8NrrTCP5FyTNiQXsRgkEgAayFQQHzO:S8Nrr2DeNncJlQTO

Score
10/10
bootkitevasionpersistencetrojanupx

Malware Config

Targets

    • Target

      040a43a53026d1eb8a1b39fb1216e716.exe

    • Size

      556KB

    • MD5

      040a43a53026d1eb8a1b39fb1216e716

    • SHA1

      9090487c6b239968f3e980f24d87f01e8a2f0c95

    • SHA256

      5def381413fba68eb44ef49c9991bdea93daf3ae3ff4d86d0c0120c5b2bb49a4

    • SHA512

      38706f6fa14f8c9120f7e63c76dc767ed071c2d4de016ddb5ee408bc8f614a72d5a5e66608d67f147bc1cdd952685ae1a49caa8624a1e782a4f9ae82ba002f85

    • SSDEEP

      12288:Dlsns1q8NrrTCP5FyTNiQXsRgkEgAayFQQHzO:S8Nrr2DeNncJlQTO

    Score
    10/10
    bootkitevasionpersistencetrojanupx

    • Modifies WinLogon for persistence

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Modifies Installed Components in the registry

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Modifies WinLogon

      persistence

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

2
T1547.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

2
T1547.004

Defense Evasion

Modify Registry

5
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks