General

  • Target

    file.exe

  • Size

    7MB

  • Sample

    231207-v1zm3seb65

  • MD5

    0faa4d38e65ff7e0f1e8134efa1895cf

  • SHA1

    3a6acf2ca9b32c2db7d7cc57becf0f1a78865e18

  • SHA256

    b1522b1aa5051f824a40e3ef61466b52a7bb5ba84572f3c581990b08b2155e6b

  • SHA512

    b55e479d6b078038b2e1ba768ee4a934d4c7d7fc85e0c56e0dc1f682828d7a80618462b0663d7cd3b11cb3b3c36ead638415baaa83cedb0812502ca7c4a802a3

  • SSDEEP

    196608:91OnB0vWiQDyndQdhiuIhU535GPCLsTzoNL:3On+OiQDyn6i9hU535Vw3oNL

Malware Config

Targets

    • Target

      file.exe

    • Size

      7MB

    • MD5

      0faa4d38e65ff7e0f1e8134efa1895cf

    • SHA1

      3a6acf2ca9b32c2db7d7cc57becf0f1a78865e18

    • SHA256

      b1522b1aa5051f824a40e3ef61466b52a7bb5ba84572f3c581990b08b2155e6b

    • SHA512

      b55e479d6b078038b2e1ba768ee4a934d4c7d7fc85e0c56e0dc1f682828d7a80618462b0663d7cd3b11cb3b3c36ead638415baaa83cedb0812502ca7c4a802a3

    • SSDEEP

      196608:91OnB0vWiQDyndQdhiuIhU535GPCLsTzoNL:3On+OiQDyn6i9hU535Vw3oNL

    • Modifies Windows Defender Real-time Protection settings

    • Windows security bypass

    • Blocklisted process makes network request

    • 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.

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

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

Tasks