Overview

overview

10

Static

static

091c42ee0e...8c.exe

windows7-x64

10

091c42ee0e...8c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    091c42ee0e407b9f2b849cb6003f97be6d27c06026ccadcc4100ae6e88744c8c

  • Size

    41.3MB

  • Sample

    221006-e927kagda5

  • MD5

    e25c7282f21266df76e69d925a0d0d3f

  • SHA1

    1900f2d4aafc22c57b0c111fe0c000d71a72f0e3

  • SHA256

    091c42ee0e407b9f2b849cb6003f97be6d27c06026ccadcc4100ae6e88744c8c

  • SHA512

    a116d9fc6403d7a9f3b1d7887907a51c339ec532095ec1423cd790533616de87129df70d26fe34064bef0e6f093ad8771c407992d0dfc4f8e0aada733028e960

  • SSDEEP

    786432:wPxC/j8QjiFJCenX2+X0WRWWyfQIWV8RGLmK4gh1BlYOc2mH5v:aAj4JCEXjydWiGLmLuWOcBZ

Score
10/10
bazarbackdoorbackdoorbootkitpersistence

Malware Config

Targets

    • Target

      091c42ee0e407b9f2b849cb6003f97be6d27c06026ccadcc4100ae6e88744c8c

    • Size

      41.3MB

    • MD5

      e25c7282f21266df76e69d925a0d0d3f

    • SHA1

      1900f2d4aafc22c57b0c111fe0c000d71a72f0e3

    • SHA256

      091c42ee0e407b9f2b849cb6003f97be6d27c06026ccadcc4100ae6e88744c8c

    • SHA512

      a116d9fc6403d7a9f3b1d7887907a51c339ec532095ec1423cd790533616de87129df70d26fe34064bef0e6f093ad8771c407992d0dfc4f8e0aada733028e960

    • SSDEEP

      786432:wPxC/j8QjiFJCenX2+X0WRWWyfQIWV8RGLmK4gh1BlYOc2mH5v:aAj4JCEXjydWiGLmLuWOcBZ

    Score
    10/10
    bazarbackdoorbackdoorbootkitpersistence

    • BazarBackdoor

      Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

      backdoorbazarbackdoor

    • Bazar/Team9 Backdoor payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks