Overview

overview

9

Static

static

file.exe

windows7_x64

9

file.exe

windows10-2004_x64

9

Sharing

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General

  • Target

    ce2082b831f4e7d566338d1c4b5dcabe504186564b34188bd3664ab6d7c5b835

  • Size

    349KB

  • Sample

    220521-cj2r1aeac5

  • MD5

    a76936912cac026b1306d84e10141f3c

  • SHA1

    8ce8a02bd4b0531d22526e22f5dbe6d0659e50b0

  • SHA256

    ce2082b831f4e7d566338d1c4b5dcabe504186564b34188bd3664ab6d7c5b835

  • SHA512

    b2d822e15b5e965df7f2b6644ebfbb2959d4094db61715f519c8d9b98c30abac7ee9f246041932b85922ba587f296219d858e505f1d86dc96284feb79f1fcbfe

Score
9/10
evasionrezer0

Malware Config

Targets

    • Target

      file.exe

    • Size

      460KB

    • MD5

      7753b2e80f90c21024a33e9d6dd8804c

    • SHA1

      3760b58f20b36c1945475458a0425de2edf682db

    • SHA256

      a314527c483746231794e1c087529350230c74562a776f78319086f92e164418

    • SHA512

      75e9f6d6e0456d6cf724a9c02d09aa9a6d6df7a478382051c57d39cbbc53af883b72fc44cdafda724fddb868ce01fee93e887afb99e319eaf21fafd53ac55733

    Score
    9/10
    evasionrezer0

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • ReZer0 packer

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

      rezer0

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

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

    • Maps connected drives based on registry

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks