Overview

overview

9

Static

static

3e80c09e8c...1e.exe

windows7_x64

9

3e80c09e8c...1e.exe

windows10-2004_x64

9

Sharing

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General

  • Target

    3e80c09e8c838aea42d609ec5a60b9409b0ab3d77d61c3dfdf191a38bc4f721e

  • Size

    2.1MB

  • Sample

    220701-hy2nfaahb3

  • MD5

    afbf38eb9f1cae4703aa9ffc1e37ec65

  • SHA1

    6b58fa4ffcfa1198c89cefb846975c8d5263855a

  • SHA256

    3e80c09e8c838aea42d609ec5a60b9409b0ab3d77d61c3dfdf191a38bc4f721e

  • SHA512

    5e5ec46a1ffbcf41d7f1885384111c163b20814ee1c308d8215511dbb41447d50bf1eec6d3f10261610fea4d4add7f409fd8a286e47f13d3c2a85d723dd09d6e

Score
9/10
evasionpersistence

Malware Config

Targets

    • Target

      3e80c09e8c838aea42d609ec5a60b9409b0ab3d77d61c3dfdf191a38bc4f721e

    • Size

      2.1MB

    • MD5

      afbf38eb9f1cae4703aa9ffc1e37ec65

    • SHA1

      6b58fa4ffcfa1198c89cefb846975c8d5263855a

    • SHA256

      3e80c09e8c838aea42d609ec5a60b9409b0ab3d77d61c3dfdf191a38bc4f721e

    • SHA512

      5e5ec46a1ffbcf41d7f1885384111c163b20814ee1c308d8215511dbb41447d50bf1eec6d3f10261610fea4d4add7f409fd8a286e47f13d3c2a85d723dd09d6e

    Score
    9/10
    evasionpersistence

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

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks