General

  • Target

    sample

  • Size

    146B

  • Sample

    240508-3z6n1ahc35

  • MD5

    9fe3cb2b7313dc79bb477bc8fde184a7

  • SHA1

    4d7b3cb41e90618358d0ee066c45c76227a13747

  • SHA256

    32f2fa940d4b4fe19aca1e53a24e5aac29c57b7c5ee78588325b87f1b649c864

  • SHA512

    c54ad4f5292784e50b4830a8210b0d4d4ee08b803f4975c9859e637d483b3af38cb0436ac501dea0c73867b1a2c41b39ef2c27dc3fb20f3f27519b719ea743db

Malware Config

Targets

    • Target

      sample

    • Size

      146B

    • MD5

      9fe3cb2b7313dc79bb477bc8fde184a7

    • SHA1

      4d7b3cb41e90618358d0ee066c45c76227a13747

    • SHA256

      32f2fa940d4b4fe19aca1e53a24e5aac29c57b7c5ee78588325b87f1b649c864

    • SHA512

      c54ad4f5292784e50b4830a8210b0d4d4ee08b803f4975c9859e637d483b3af38cb0436ac501dea0c73867b1a2c41b39ef2c27dc3fb20f3f27519b719ea743db

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks