General

  • Target

    c6b2d57e8ce70dae5585a096e2e17619.exe

  • Size

    524KB

  • Sample

    221004-w3qzdscbbm

  • MD5

    c6b2d57e8ce70dae5585a096e2e17619

  • SHA1

    a61e6e668205f7fbdd2bc03dbd9e1ae85c9af241

  • SHA256

    62184398a535b5aa0ccd7457470cdb9ab4fc22aaaed11a19cef2ddba8d75eaf5

  • SHA512

    91c8895086107b72f48988ed807518630529646df26c094e4c4251ef58dc7a099bd59760c92f5ebaf9359d8e5196a4bfd1e3ced0dd8cb0634d0c27bbb8036f23

  • SSDEEP

    6144:PHoex1r1iKzGkYj+eNnHNvdySJbsSt+c4yR83tahDYz2aUIsR3GiXMj9KpJzLIW:/bL6k2+Ak6+hyy3E0bUBR3G2LIW

Malware Config

Targets

    • Target

      c6b2d57e8ce70dae5585a096e2e17619.exe

    • Size

      524KB

    • MD5

      c6b2d57e8ce70dae5585a096e2e17619

    • SHA1

      a61e6e668205f7fbdd2bc03dbd9e1ae85c9af241

    • SHA256

      62184398a535b5aa0ccd7457470cdb9ab4fc22aaaed11a19cef2ddba8d75eaf5

    • SHA512

      91c8895086107b72f48988ed807518630529646df26c094e4c4251ef58dc7a099bd59760c92f5ebaf9359d8e5196a4bfd1e3ced0dd8cb0634d0c27bbb8036f23

    • SSDEEP

      6144:PHoex1r1iKzGkYj+eNnHNvdySJbsSt+c4yR83tahDYz2aUIsR3GiXMj9KpJzLIW:/bL6k2+Ak6+hyy3E0bUBR3G2LIW

    • 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

    • 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