Resubmissions

19-11-2020 18:39

201119-egd25376vj 8

19-11-2020 18:34

201119-tarl1zn5le 7

19-11-2020 18:27

201119-tgzwfyek82 7

19-11-2020 18:17

201119-rg6nfjeppe 8

19-11-2020 18:00

201119-1e1ky8mt2j 8

General

  • Target

    ZoomInfoContactContributor.exe

  • Size

    259KB

  • Sample

    201119-rg6nfjeppe

  • MD5

    0b5719e9fd40b85d4d95e475e9431cd0

  • SHA1

    132151d26e61d2fda4e4b31eb376a41ea0d56e6d

  • SHA256

    2aa9f15810e2c55dbc8522e386d76d1a8fb3a63a712b33e17bd2139a7b45c76b

  • SHA512

    ed17497df8e53eb9a49ff3d6ed5bf8d84f17a045947a4b474204a8bf06254f8a801be1243599e526123ccc5e88af389f718021409567ac86ed28d988afd3d1cf

Malware Config

Targets

    • Target

      ZoomInfoContactContributor.exe

    • Size

      259KB

    • MD5

      0b5719e9fd40b85d4d95e475e9431cd0

    • SHA1

      132151d26e61d2fda4e4b31eb376a41ea0d56e6d

    • SHA256

      2aa9f15810e2c55dbc8522e386d76d1a8fb3a63a712b33e17bd2139a7b45c76b

    • SHA512

      ed17497df8e53eb9a49ff3d6ed5bf8d84f17a045947a4b474204a8bf06254f8a801be1243599e526123ccc5e88af389f718021409567ac86ed28d988afd3d1cf

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Drops Chrome extension

    • JavaScript code in executable

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks