Overview

overview

10

Static

static

1

d99d636a43...2a.exe

windows7-x64

10

d99d636a43...2a.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    d99d636a4371981f331ad476b4cdd29861933b671810934befda8459434e722a

  • Size

    159KB

  • Sample

    221128-flwkjsgb26

  • MD5

    f40b3e21fd1b9a3874af4dc473d3274d

  • SHA1

    83adc3b59966c83ec8bf65d6f12e358e9e4fc1df

  • SHA256

    d99d636a4371981f331ad476b4cdd29861933b671810934befda8459434e722a

  • SHA512

    816bf66db404397c54be82cf4ca358be6c45ea9789d6950748b263bc4e1337f483e99a9c6e71d2ab073bdcaee676cfbb0b9553b335c4b5dbdbe6b4ddd746d59f

  • SSDEEP

    3072:l3c1fP4AJJrXlF4jPktdwAliX+f+chDKUDVdFKyTgCAZtiYpzUqB+Ow:ROPjnlGPk/f46RRVdTuzUqBe

Score
10/10
bootkitdiscoverypersistencephishingupx

Malware Config

Targets

    • Target

      d99d636a4371981f331ad476b4cdd29861933b671810934befda8459434e722a

    • Size

      159KB

    • MD5

      f40b3e21fd1b9a3874af4dc473d3274d

    • SHA1

      83adc3b59966c83ec8bf65d6f12e358e9e4fc1df

    • SHA256

      d99d636a4371981f331ad476b4cdd29861933b671810934befda8459434e722a

    • SHA512

      816bf66db404397c54be82cf4ca358be6c45ea9789d6950748b263bc4e1337f483e99a9c6e71d2ab073bdcaee676cfbb0b9553b335c4b5dbdbe6b4ddd746d59f

    • SSDEEP

      3072:l3c1fP4AJJrXlF4jPktdwAliX+f+chDKUDVdFKyTgCAZtiYpzUqB+Ow:ROPjnlGPk/f46RRVdTuzUqBe

    Score
    10/10
    bootkitdiscoverypersistencephishingupx

    • Detected phishing page

      phishing

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks