Overview

overview

9

Static

static

5ef82b40d2...ac.exe

windows7_x64

9

5ef82b40d2...ac.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    5ef82b40d2f8ba80a91f4c518a457ad003cf4c44343696f4af2396626b8fcaac

  • Size

    140KB

  • Sample

    220625-es18yafhf7

  • MD5

    8f3b91fab3b43f4ab87c0b0a313a21c5

  • SHA1

    4a7108276f093be0336f7f457f5973b86a0ad587

  • SHA256

    5ef82b40d2f8ba80a91f4c518a457ad003cf4c44343696f4af2396626b8fcaac

  • SHA512

    15c369e28128f796de46d7efa88c50ff32ebc58beaa3c62d935c9f2f690ffbcf17381d894c95653947c895a54bc849c995d282e1ed32d4a703c3d9333041337f

Score
9/10
rezer0

Malware Config

Targets

    • Target

      5ef82b40d2f8ba80a91f4c518a457ad003cf4c44343696f4af2396626b8fcaac

    • Size

      140KB

    • MD5

      8f3b91fab3b43f4ab87c0b0a313a21c5

    • SHA1

      4a7108276f093be0336f7f457f5973b86a0ad587

    • SHA256

      5ef82b40d2f8ba80a91f4c518a457ad003cf4c44343696f4af2396626b8fcaac

    • SHA512

      15c369e28128f796de46d7efa88c50ff32ebc58beaa3c62d935c9f2f690ffbcf17381d894c95653947c895a54bc849c995d282e1ed32d4a703c3d9333041337f

    Score
    9/10
    rezer0

    • ReZer0 packer

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

      rezer0

    • Checks computer location settings

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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks