Overview

overview

10

Static

static

3

fd99f2405b...0N.exe

windows7-x64

10

fd99f2405b...0N.exe

windows10-2004-x64

10

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General

  • Target

    fd99f2405bdb6c0d3f263d1977f1aa30N.exe

  • Size

    1.9MB

  • Sample

    240821-z6c4gs1crh

  • MD5

    fd99f2405bdb6c0d3f263d1977f1aa30

  • SHA1

    794a972fcd968114c115b5ddf4eccca30cc8e4d7

  • SHA256

    b4c83ae37ab4183215327548737bb176e7d01625d2197477cf2b14480b6183cf

  • SHA512

    9bb285e83118669463cb0d67cdfc110a95677c52ea0d08d045f59f021cb8da9cfb10a8825489be03f319e7707667a440f7ab783767ecabd4447decf0ebc331c2

  • SSDEEP

    49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCF7:ISjydNCYn0+Q

Score
10/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      fd99f2405bdb6c0d3f263d1977f1aa30N.exe

    • Size

      1.9MB

    • MD5

      fd99f2405bdb6c0d3f263d1977f1aa30

    • SHA1

      794a972fcd968114c115b5ddf4eccca30cc8e4d7

    • SHA256

      b4c83ae37ab4183215327548737bb176e7d01625d2197477cf2b14480b6183cf

    • SHA512

      9bb285e83118669463cb0d67cdfc110a95677c52ea0d08d045f59f021cb8da9cfb10a8825489be03f319e7707667a440f7ab783767ecabd4447decf0ebc331c2

    • SSDEEP

      49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCF7:ISjydNCYn0+Q

    Score
    10/10
    discoveryevasionpersistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

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

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks