General

  • Target

    installer_Win8_Win11_x64_b57220609d5aa.exe

  • Size

    89.3MB

  • Sample

    230206-17c1jsbd4y

  • MD5

    19cdba7c69e5429a4bb5b18feb66dce4

  • SHA1

    5690a7d1a07ae9188b0cc6ec59ba2d81d155bfed

  • SHA256

    b054d0bf1f7274938ef0fb0ad8946b6eef2a0f81bd1518de43c61fc32ed88662

  • SHA512

    979edb541e1ebd9b26186b1aacb5bd400867f2315e512349289d9dfc1d770b8efbcc066951ad24b457605ba502057723d30e9da51988f677cb2ae7c847c11e18

  • SSDEEP

    1572864:wUXfXzK11PZrm7q4o+Ahfo5YcLzb1aWBA+HKf4RamooEvMA/fxlN0+MqJQIxRH2w:wUXfDU1ht4PAhZcXxdW+qf4Ko7w/0+kI

Malware Config

Targets

    • Target

      installer_Win8_Win11_x64_b57220609d5aa.exe

    • Size

      89.3MB

    • MD5

      19cdba7c69e5429a4bb5b18feb66dce4

    • SHA1

      5690a7d1a07ae9188b0cc6ec59ba2d81d155bfed

    • SHA256

      b054d0bf1f7274938ef0fb0ad8946b6eef2a0f81bd1518de43c61fc32ed88662

    • SHA512

      979edb541e1ebd9b26186b1aacb5bd400867f2315e512349289d9dfc1d770b8efbcc066951ad24b457605ba502057723d30e9da51988f677cb2ae7c847c11e18

    • SSDEEP

      1572864:wUXfXzK11PZrm7q4o+Ahfo5YcLzb1aWBA+HKf4RamooEvMA/fxlN0+MqJQIxRH2w:wUXfDU1ht4PAhZcXxdW+qf4Ko7w/0+kI

    • Modifies system executable filetype association

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Sets service image path in registry

    • 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.

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

3
T1060

Defense Evasion

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Security Software Discovery

1
T1063

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Tasks