General

  • Target

    5d0f10146e4e725e582df04c19f834af7d0a16afc496e7fae9cd2771234fab59

  • Size

    359KB

  • Sample

    220801-e45eqsahgn

  • MD5

    1c8fed4ae2b100eb2915d2685815175b

  • SHA1

    f240053bd5937dfef3a960db17dfbef4d10ab06d

  • SHA256

    5d0f10146e4e725e582df04c19f834af7d0a16afc496e7fae9cd2771234fab59

  • SHA512

    9b1d04a588c2ace96fcfdb748abb2ce9d57c2b088a5c2d6882fb494a37fbb7f81bbf75dc8af327c7ae7a163ead53bf02e8278b270450baa2ef0ab19b9e7492cc

Malware Config

Targets

    • Target

      5d0f10146e4e725e582df04c19f834af7d0a16afc496e7fae9cd2771234fab59

    • Size

      359KB

    • MD5

      1c8fed4ae2b100eb2915d2685815175b

    • SHA1

      f240053bd5937dfef3a960db17dfbef4d10ab06d

    • SHA256

      5d0f10146e4e725e582df04c19f834af7d0a16afc496e7fae9cd2771234fab59

    • SHA512

      9b1d04a588c2ace96fcfdb748abb2ce9d57c2b088a5c2d6882fb494a37fbb7f81bbf75dc8af327c7ae7a163ead53bf02e8278b270450baa2ef0ab19b9e7492cc

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VirtualBox drivers on disk

    • ModiLoader Second Stage

    • Looks for VMWare Tools registry key

    • 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

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

3
T1497

Modify Registry

2
T1112

Discovery

Software Discovery

1
T1518

Query Registry

5
T1012

Virtualization/Sandbox Evasion

3
T1497

File and Directory Discovery

1
T1083

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks