General

  • Target

    5bc9841d690e9e88bc24fd4ff63123142c9d3e2e8988434e7a5295999259cbeb

  • Size

    430KB

  • Sample

    220801-t64zbadde4

  • MD5

    25f3600bbd63d2b22f183e9092cbdef4

  • SHA1

    0cac0bbbf4fc6aaec7ea3403e2b959142b2fd21f

  • SHA256

    5bc9841d690e9e88bc24fd4ff63123142c9d3e2e8988434e7a5295999259cbeb

  • SHA512

    96771686a30670eaf3521331743524f503ade5c850f961078a103de7f8b7c2b4134fa4f6928a3887f6e9228dbda7447864d0e1c85d27b69f6c2f900a83daeee5

Malware Config

Targets

    • Target

      5bc9841d690e9e88bc24fd4ff63123142c9d3e2e8988434e7a5295999259cbeb

    • Size

      430KB

    • MD5

      25f3600bbd63d2b22f183e9092cbdef4

    • SHA1

      0cac0bbbf4fc6aaec7ea3403e2b959142b2fd21f

    • SHA256

      5bc9841d690e9e88bc24fd4ff63123142c9d3e2e8988434e7a5295999259cbeb

    • SHA512

      96771686a30670eaf3521331743524f503ade5c850f961078a103de7f8b7c2b4134fa4f6928a3887f6e9228dbda7447864d0e1c85d27b69f6c2f900a83daeee5

    • 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

    • Adds policy Run key to start application

    • 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

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Virtualization/Sandbox Evasion

3
T1497

Modify Registry

3
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