General

  • Target

    FACTURA08798.Tar

  • Size

    418KB

  • Sample

    240624-qw6tdaybjm

  • MD5

    280fb6d9bef71be8b72039a80251e6e1

  • SHA1

    1d6a990f2781d26a37dd8efe8f8188cf2d8f58e6

  • SHA256

    c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be

  • SHA512

    cc0ca16eec59e0f28ba5f233477b661324665cb920bea8de031268fda18da0f07670484c678bd39fe1faca0ea533719bdc4f791badfaa07b93379b59b7d285bd

  • SSDEEP

    12288:IAir7L7jf9eIYWBOGgijWDocOCId74s8D:M7Re0BOviCDotCId7x8D

Malware Config

Targets

    • Target

      FACTURA08798696.vbe

    • Size

      646KB

    • MD5

      877d62bb0a3ca04372a89f1fd63aa517

    • SHA1

      abb9619743f94df8ee35bcb29e08a33f49acc91a

    • SHA256

      411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83

    • SHA512

      072e1b5ebf6aa76ee374d94b5d9f066c3f2c922808a646768234bf8cae9c62b55a82fa4e18ab860f7ffb5b31a625619991feaa3a82bc8fc7a3712b38cbbcf7ae

    • SSDEEP

      12288:NuXAeUMRwhbVmNmN7wNL4NBN3rNrx9V0NnNcN/v3gRN6fyNMNIN3NLojSAfp+J1/:T4Rwhb79SyV7R1AIJTaud62Q

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • 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.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

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

2
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

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks