General

  • Target

    Maersk_Shipping_Cargo_Arrival_notice#83736494.exe

  • Size

    600KB

  • Sample

    220711-kl2tsahhb8

  • MD5

    eca01282aa1848837b90e4a500040888

  • SHA1

    d73c8b229a3951b255a25e8dc75b251da92c22d7

  • SHA256

    8775466739105b4c7bf67886f0f7f412ca3ff6272c1f72dda0c8c19da16e684d

  • SHA512

    88e41214aa8e995f4706f9340083eb80dcdaef14856e70bad3f5db634a530e1f97ffbe7d17ab905d572631d72582b46603e2b594a661cc42d003e881e5e19b22

Malware Config

Targets

    • Target

      Maersk_Shipping_Cargo_Arrival_notice#83736494.exe

    • Size

      600KB

    • MD5

      eca01282aa1848837b90e4a500040888

    • SHA1

      d73c8b229a3951b255a25e8dc75b251da92c22d7

    • SHA256

      8775466739105b4c7bf67886f0f7f412ca3ff6272c1f72dda0c8c19da16e684d

    • SHA512

      88e41214aa8e995f4706f9340083eb80dcdaef14856e70bad3f5db634a530e1f97ffbe7d17ab905d572631d72582b46603e2b594a661cc42d003e881e5e19b22

    • Detect Neshta payload

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Modifies system executable filetype association

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • 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.

    • Checks installed software on the system

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks