Overview

overview

9

Static

static

82d9ab0e27...ee.exe

windows7_x64

9

82d9ab0e27...ee.exe

windows10-2004_x64

8

Sharing

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General

  • Target

    82d9ab0e273c313abb19ba3e24902ca8b23e7ab89adfed197dadbec0e69f8bee

  • Size

    371KB

  • Sample

    220524-1dmynacfdn

  • MD5

    8da70b07970cfa92d731183c78734056

  • SHA1

    596f5da72da49e8ba0803153d440ce2290384b9e

  • SHA256

    82d9ab0e273c313abb19ba3e24902ca8b23e7ab89adfed197dadbec0e69f8bee

  • SHA512

    9dff1a721f4709f6a8d9fd409a894f0c851bdd363eba1750f48b45b0d297ba5675ef9092730d2204984a1b6608d5836c359d81a3c515509a52a936aaae7a37cc

Score
9/10
persistencerezer0

Malware Config

Targets

    • Target

      82d9ab0e273c313abb19ba3e24902ca8b23e7ab89adfed197dadbec0e69f8bee

    • Size

      371KB

    • MD5

      8da70b07970cfa92d731183c78734056

    • SHA1

      596f5da72da49e8ba0803153d440ce2290384b9e

    • SHA256

      82d9ab0e273c313abb19ba3e24902ca8b23e7ab89adfed197dadbec0e69f8bee

    • SHA512

      9dff1a721f4709f6a8d9fd409a894f0c851bdd363eba1750f48b45b0d297ba5675ef9092730d2204984a1b6608d5836c359d81a3c515509a52a936aaae7a37cc

    Score
    9/10
    persistencerezer0

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks