Overview

overview

9

Static

static

8854e55c47...f6.exe

windows7_x64

9

8854e55c47...f6.exe

windows10-2004_x64

7

Sharing

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General

  • Target

    8854e55c47b161a9a34bbd04b9d50c0d7001437e3a9bbea2ab4a07bf9821fdf6

  • Size

    182KB

  • Sample

    220625-fjf23sehgm

  • MD5

    fffdd134d751be12101103ffe3498666

  • SHA1

    b010f97b315fd21c22172c982f35fb506d2ce0c9

  • SHA256

    8854e55c47b161a9a34bbd04b9d50c0d7001437e3a9bbea2ab4a07bf9821fdf6

  • SHA512

    fa763ae118ec25dfa8bd0785043f46a82e12a321fffea3b9f32f02f5f5b0262ec2a6d519737a127802ded5f3490dedef4874434f90d9beed9e04b6541821f1b0

Score
9/10
rezer0

Malware Config

Targets

    • Target

      8854e55c47b161a9a34bbd04b9d50c0d7001437e3a9bbea2ab4a07bf9821fdf6

    • Size

      182KB

    • MD5

      fffdd134d751be12101103ffe3498666

    • SHA1

      b010f97b315fd21c22172c982f35fb506d2ce0c9

    • SHA256

      8854e55c47b161a9a34bbd04b9d50c0d7001437e3a9bbea2ab4a07bf9821fdf6

    • SHA512

      fa763ae118ec25dfa8bd0785043f46a82e12a321fffea3b9f32f02f5f5b0262ec2a6d519737a127802ded5f3490dedef4874434f90d9beed9e04b6541821f1b0

    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