General

  • Target

    Internet Download Manager 6.41.7.exe

  • Size

    13.9MB

  • Sample

    230307-3cgrcscg47

  • MD5

    6719dc50ea9a16911f5096a11c92af67

  • SHA1

    f956f749ab652032b65271a84dccdf743531a735

  • SHA256

    2423440c08ec7e4919afb68e21311e9c5853f129c0f05071d0163fc7031754a8

  • SHA512

    174db8e0717542e2c5b47398520d698f8c95931bf4dbcfeb2ef59535f07efb3d0d055ca8778ca126ef37ac1ae0609259dc6d5b7895e84bd599b13b88afc0a661

  • SSDEEP

    393216:nIB/nOH3sKex6jLOMVD2aBe6vhDQw4rAkv1RfhhaChnnKrJ:mGH8IOMViKvhR4rDPa4Kd

Malware Config

Targets

    • Target

      Internet Download Manager 6.41.7.exe

    • Size

      13.9MB

    • MD5

      6719dc50ea9a16911f5096a11c92af67

    • SHA1

      f956f749ab652032b65271a84dccdf743531a735

    • SHA256

      2423440c08ec7e4919afb68e21311e9c5853f129c0f05071d0163fc7031754a8

    • SHA512

      174db8e0717542e2c5b47398520d698f8c95931bf4dbcfeb2ef59535f07efb3d0d055ca8778ca126ef37ac1ae0609259dc6d5b7895e84bd599b13b88afc0a661

    • SSDEEP

      393216:nIB/nOH3sKex6jLOMVD2aBe6vhDQw4rAkv1RfhhaChnnKrJ:mGH8IOMViKvhR4rDPa4Kd

    • Drops file in Drivers directory

    • 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 installed software on the system

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

    • Checks whether UAC is enabled

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks