General

  • Target

    884de9273e952f5171abc09c84796dae.exe

  • Size

    478KB

  • Sample

    221004-gzbb7sfdam

  • MD5

    884de9273e952f5171abc09c84796dae

  • SHA1

    fb9f2f8575e67b41ce0e18f1cb8e8b86f066e2c8

  • SHA256

    e0233612d6f430952f891f3ca4d40ae4c825c428691a8bdff7b34f335beda674

  • SHA512

    4b49669af8ec58920c80dc5831ee4cd277adaf6305d8947f29f2b08d2e9cf74ffab87aa59fdc42c10f3a8ebfdf46a36f6ebe2f07cf52ff11aec145810bf72ca9

  • SSDEEP

    6144:MethZNvTbICmpn3SObr9VnlBRDRdt0Gh9L6Y4kxsl5QOc41zM4FpDJMxZs3:lhZN5unbnlRlhlhW5dDl

Malware Config

Targets

    • Target

      884de9273e952f5171abc09c84796dae.exe

    • Size

      478KB

    • MD5

      884de9273e952f5171abc09c84796dae

    • SHA1

      fb9f2f8575e67b41ce0e18f1cb8e8b86f066e2c8

    • SHA256

      e0233612d6f430952f891f3ca4d40ae4c825c428691a8bdff7b34f335beda674

    • SHA512

      4b49669af8ec58920c80dc5831ee4cd277adaf6305d8947f29f2b08d2e9cf74ffab87aa59fdc42c10f3a8ebfdf46a36f6ebe2f07cf52ff11aec145810bf72ca9

    • SSDEEP

      6144:MethZNvTbICmpn3SObr9VnlBRDRdt0Gh9L6Y4kxsl5QOc41zM4FpDJMxZs3:lhZN5unbnlRlhlhW5dDl

    • 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