General

  • Target

    b.zip

  • Size

    42.9MB

  • Sample

    240930-axw3kasenb

  • MD5

    8289ee3fbd2e550280a69d6f311fbe8f

  • SHA1

    515a6ed8a22cb425a85cb9b5886e7e426d625433

  • SHA256

    b4bfba362d1d68de5176add660027807c782d16aaa5ba899a53d900296041fd5

  • SHA512

    216ca13063210e7f0945c328e68fcfc75d3eb182c2a892799796272100acc576cee4bb356ae189c8ce0741cb0d85e98350b255cec8105fe899b2e38b5067d5a6

  • SSDEEP

    786432:WXNBmtmUJUcGRdzVV6YnSFdWDxkjvyVzRBUPtFADd0QX6pytIgmSHvifm2Fpc960:WXN8tKc8zVVUsxwvyiPtFI4pytIVSKNY

Malware Config

Extracted

Family

vidar

Version

11

Botnet

da1105e7cee8ade4acd1a4dc0b47dbbe

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Targets

    • Target

      #Uc800#Uc791#Uad8c #Uce68#Ud574#Uc5d0 #Ub300#Ud55c #Uc99d#Uac70 #Ubc0f #Uc790#Ub8cc - #Uc2a4#Ud0c0#Uc27d #Uc5d4#Ud130#Ud14c#Uc778#Uba3c#Ud2b8.exe

    • Size

      6.1MB

    • MD5

      4864a55cff27f686023456a22371e790

    • SHA1

      6ed30c0371fe167d38411bfa6d720fcdcacc4f4c

    • SHA256

      08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2

    • SHA512

      4bd3a16435cca6ce7a7aa829eb967619a8b7c02598474e634442cffc55935870d54d844a04496bf9c7e8c29c40fae59ac6eb39c8550c091d06a28211491d0bfb

    • SSDEEP

      98304:VZQIM+/nv/CDoAkYwpAa5ge1zZ/jtdZwUkQ:bJCKlA2VKUz

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Target

      W2

    • Size

      36.1MB

    • MD5

      2711a1512a4b86f0745885506d603397

    • SHA1

      31d665fe7bca6509824ed12904af18494490e27a

    • SHA256

      418f7a063559b628c394b4d3d47148e1226697c55fe5d478706ef96d122a9961

    • SHA512

      ea465376e333c0c4a481d9937256bc70051bdba5786a09798fec169cb281b01e566f04ab1fd2438462ca10e3dd5ee71c7b4fd8789661c31ed877ebc4dc4d9361

    • SSDEEP

      786432:94rbnl4Qbn+40bny4Rbn04ubng4dbnB4sbnn4rbnh4nbnH4a:94/l4G+4ay4d048g4pB4Cn4/h4bH4a

    Score
    3/10
    • Target

      msimg32.dll

    • Size

      3.9MB

    • MD5

      5ffd78650614bc118ea029b086dffb3e

    • SHA1

      d552cfbc15052f609e23a9613866d5462a4318a3

    • SHA256

      c8bdff3366a5e82f090d54dee45a507c53caf619ab5285efccb0d5c69041b381

    • SHA512

      451f97fceb1127a37f064d86584ce0a81d47fcac3c4dd64eca3cf60a50437b29e1a6a7de5513f3dff72a96bfcf2a5f548751470b80c7ad34ada07fd0f43f864d

    • SSDEEP

      49152:Ptw8A/gVIBl8X3t6evYC/2NESehSE3TQaC+1RDYBylTTt4eri:xwA/SNVwSE30ajvI6TpE

    Score
    3/10
    • Target

      저작권 침해에 대한 증거 및 자료 - 스타쉽 엔터테인먼트.exe

    • Size

      6.1MB

    • MD5

      4864a55cff27f686023456a22371e790

    • SHA1

      6ed30c0371fe167d38411bfa6d720fcdcacc4f4c

    • SHA256

      08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2

    • SHA512

      4bd3a16435cca6ce7a7aa829eb967619a8b7c02598474e634442cffc55935870d54d844a04496bf9c7e8c29c40fae59ac6eb39c8550c091d06a28211491d0bfb

    • SSDEEP

      98304:VZQIM+/nv/CDoAkYwpAa5ge1zZ/jtdZwUkQ:bJCKlA2VKUz

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

MITRE ATT&CK Enterprise v15

Tasks