Overview

overview

10

Static

static

3

CojcsWGNGl.exe

windows11-21h2-x64

10

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General

  • Target

    CojcsWGNGl.exe

  • Size

    6.0MB

  • Sample

    240404-3wwdvsea8s

  • MD5

    bb3cef2577d61f6db132ea9127687653

  • SHA1

    23744c6489204c1c12a7db9f11736826df8612fc

  • SHA256

    82c05e788b690d480d56cf4f093a7739d668934acdba574191a6ecc88e843bb5

  • SHA512

    700cdf03182d0e86ac7daacda067e7603d0e7fe0d3bff112efb4eb8c968eac2af9033bf4b03e6d05ec92f955a2bc626ab43b52d1125c6ada11beb229a65470a2

  • SSDEEP

    49152:xr3uXF+Kb8t3A+Gha2ImSJLuHHuFJajTpYEfSozlqBDMj74oNDdTxfZP:xr3uXFq0haJtin9

Score
10/10
bumblebeeproc_123evasionloader

Malware Config

Extracted

Family

bumblebee

Botnet

proc_123

rc4.plain

Targets

    • Target

      CojcsWGNGl.exe

    • Size

      6.0MB

    • MD5

      bb3cef2577d61f6db132ea9127687653

    • SHA1

      23744c6489204c1c12a7db9f11736826df8612fc

    • SHA256

      82c05e788b690d480d56cf4f093a7739d668934acdba574191a6ecc88e843bb5

    • SHA512

      700cdf03182d0e86ac7daacda067e7603d0e7fe0d3bff112efb4eb8c968eac2af9033bf4b03e6d05ec92f955a2bc626ab43b52d1125c6ada11beb229a65470a2

    • SSDEEP

      49152:xr3uXF+Kb8t3A+Gha2ImSJLuHHuFJajTpYEfSozlqBDMj74oNDdTxfZP:xr3uXFq0haJtin9

    Score
    10/10
    bumblebeeproc_123evasionloader

    • BumbleBee

      BumbleBee is a loader malware written in C++.

      loaderbumblebee

    • Enumerates VirtualBox registry keys

      evasion

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

      evasion

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Checks system information in the registry

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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

5
T1497

Credential Access

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

5
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks