Overview

overview

9

Static

static

a8dd046fbe...ca.msi

windows7_x64

9

a8dd046fbe...ca.msi

windows10_x64

9

Sharing

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General

  • Target

    a8dd046fbe85c71d6f51940e4506111579c8a16cc753319d7bbefeeef43ebeca.msi

  • Size

    730KB

  • Sample

    220112-1m7pesebc3

  • MD5

    4b00541648ce73df79ed8d2f306833ee

  • SHA1

    0c50d0acaa72b42627b3addea5c697fbdf861853

  • SHA256

    a8dd046fbe85c71d6f51940e4506111579c8a16cc753319d7bbefeeef43ebeca

  • SHA512

    5c1059f5c0e201579499da94ef4637f5da239633572751e4795eccf68b5f89954a5219dabb06d23417bd7e87bab3d870ef71431134693d7230ff25778ce6ecb6

Score
9/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      a8dd046fbe85c71d6f51940e4506111579c8a16cc753319d7bbefeeef43ebeca.msi

    • Size

      730KB

    • MD5

      4b00541648ce73df79ed8d2f306833ee

    • SHA1

      0c50d0acaa72b42627b3addea5c697fbdf861853

    • SHA256

      a8dd046fbe85c71d6f51940e4506111579c8a16cc753319d7bbefeeef43ebeca

    • SHA512

      5c1059f5c0e201579499da94ef4637f5da239633572751e4795eccf68b5f89954a5219dabb06d23417bd7e87bab3d870ef71431134693d7230ff25778ce6ecb6

    Score
    9/10
    evasionpersistencethemidatrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks