General

  • Target

    280f4d85243c72f582910876c7a9559f446bd106e0a7b5e6ed14a02f95298262

  • Size

    146KB

  • Sample

    221129-qyn2cagd2v

  • MD5

    01e7b93ad52128ae0f068864623350c1

  • SHA1

    621e8ac72ac23d64cbd3188c7fadec91126625ae

  • SHA256

    280f4d85243c72f582910876c7a9559f446bd106e0a7b5e6ed14a02f95298262

  • SHA512

    ae99152a4787a8d1cf99e64338b8335f3c25a361482a956a49bd2a02c7f01769371db8401ee4a7c9bc9ae0125885aa2d5293cb0b8a4b627893f8666ff258076f

  • SSDEEP

    1536:IbLL3qxsbMdB0BoIdG2+yK2K3osN55TIXWgVr5fpe7h0TNLMkWm+j3iIWE0Wtdee:ayxkEylsN5uv/e9uum0SrsHTiu5

Malware Config

Targets

    • Target

      280f4d85243c72f582910876c7a9559f446bd106e0a7b5e6ed14a02f95298262

    • Size

      146KB

    • MD5

      01e7b93ad52128ae0f068864623350c1

    • SHA1

      621e8ac72ac23d64cbd3188c7fadec91126625ae

    • SHA256

      280f4d85243c72f582910876c7a9559f446bd106e0a7b5e6ed14a02f95298262

    • SHA512

      ae99152a4787a8d1cf99e64338b8335f3c25a361482a956a49bd2a02c7f01769371db8401ee4a7c9bc9ae0125885aa2d5293cb0b8a4b627893f8666ff258076f

    • SSDEEP

      1536:IbLL3qxsbMdB0BoIdG2+yK2K3osN55TIXWgVr5fpe7h0TNLMkWm+j3iIWE0Wtdee:ayxkEylsN5uv/e9uum0SrsHTiu5

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Email Collection

2
T1114

Tasks