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Analysis

  • max time kernel
    32s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 23:43

General

  • Target

    c1a96310dd45b906c51fd21fd604550225e1eec1941245850b24773e22768ad7_dump.exe

  • Size

    182KB

  • MD5

    0512f22ab35b0f96b0c4aa586c319190

  • SHA1

    723eca61d51d41d0dfce9f21949c7886f289d75f

  • SHA256

    c6c2bcb1f03e9af5e03fc2152420f451c28afcc1ba505c4f7c941360449c003d

  • SHA512

    a851d823a5521f98baa4e32ea7b6482bc687754dcc224b466b449cbbbda5b957edcfadc1e53dd65f9008add008a7866ad3def9676b20067800754674e3d8ede8

  • SSDEEP

    3072:Jiyi/SfJhUwLibCxNKBC6y8WyQQF1h7NOwUPfbldFw0t+Z0vhAVfEgr2Csy5kilr:0bShBLWANKrBWyt3ZOwUPfbldFw0t+Zx

Malware Config

Extracted

Family

lumma

C2

https://chequedxmznp.shop/api

https://shelterryujxo.shop/api

https://illnesmunxkza.shop/api

https://triallyforwhgh.shop/api

https://shootydowtqosm.shop/api

https://faceddullinhs.shop/api

https://egorepetiiiosn.shop/api

https://ammycanedpors.shop/api

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199747278259

https://t.me/armad2a

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.1 Safari/537.36

Extracted

Family

lumma

C2

https://tenntysjuxmz.shop/api

Signatures

  • Detect Vidar Stealer 1 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1a96310dd45b906c51fd21fd604550225e1eec1941245850b24773e22768ad7_dump.exe
    "C:\Users\Admin\AppData\Local\Temp\c1a96310dd45b906c51fd21fd604550225e1eec1941245850b24773e22768ad7_dump.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\ProgramData\CFIECFIJDA.exe
      "C:\ProgramData\CFIECFIJDA.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2948
    • C:\ProgramData\IIEHJEHDBG.exe
      "C:\ProgramData\IIEHJEHDBG.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:472
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KEGCBFCBFBKF" & exit
      2⤵
        PID:2180
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          3⤵
          • Delays execution with timeout.exe
          PID:2272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\GIEHIDHJDBFI\FBFHJJ

      Filesize

      92KB

      MD5

      dd6944619a1cff7c63c0e49ed65368ca

      SHA1

      a055ce9efa2206cdc35b924d43a5d06f453ce777

      SHA256

      58ea6de2879649260c0a62b6e8e045e88c3311978e993f63a8dfcdb0dba9f05d

      SHA512

      856d454cd202fc39bec08f7ea7fb9c631e5531c1d5ffc269d3ea4ef2cdd568b176da0f8e00ffd8c80eaad461cecbce213fa4cd46b142a7760fd32815261fddd7

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      fd4558dc831f7401b34d07e8e8db28bb

      SHA1

      6e412b596736bdb907a9f48488e0bc44fb6459ef

      SHA256

      0b3129eff7f86f6925968b7eebe5ac0fe33f9238d0e2d0dae017df151c803c7a

      SHA512

      9b617a7bcad432c5f11c6e82b5d4719f83c8674a12d9bfc17e61338ae8702e3aa64050781f284b193e814966f55ef2e1d36a230d2cfae6235f0bdb6d33b56d20

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      60ec27e9e75ff00cb6b87a5e993302f1

      SHA1

      0032393ef3a217149d63c1885be8dfcdbdf8d592

      SHA256

      38b01dc47e8e2ed15b11dcadd9e89625554b4a5ee148412213509d0767e1c346

      SHA512

      4296d4b75208c623112b41cc2fe206dc8ec9f92ad5977454c7a12c78cac0cc7a0467f93c8a3f04c11145e61dd9ae7e6d7fc333315c6111630f586b0a0fdd10ae

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NFAY0EOS\76561199747278259[1].htm

      Filesize

      33KB

      MD5

      41aee75bebc405a639dda40d15d64bb3

      SHA1

      9d4166e6b94361aa5592fdf4558fb7ffeee3cd73

      SHA256

      bfe552465a7e0c05f1bb92b9331f22bb57ca1a3cc77a6df148fedcd7d4697af2

      SHA512

      a244a7259fde0df334993ae93dedade5b2e803b8443c06b9f6631b30ea91596bab176af9a69c35f91b2bc1065269f9f52347832275db05079b0b3aff8577187d

    • C:\Users\Admin\AppData\Local\Temp\Cab4E03.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar4E83.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\CFIECFIJDA.exe

      Filesize

      4.7MB

      MD5

      502ee0741d889207e462d29a9e1b0d23

      SHA1

      84f97522803326316f13fda1323422a95177a860

      SHA256

      4022245ab5c4db63803c3aecca8df306498a1c947c0c467c2b4ce5e80fb8db8c

      SHA512

      20db01beacf8d8542c9afdd02e30ba7597cc85a3c43218457f9435a627d9eec40fc6ed3a9de6fa0e94456316775d7e29b4bdd26135c6ed3b0804dfa364c2de79

    • \ProgramData\IIEHJEHDBG.exe

      Filesize

      4.7MB

      MD5

      cd2670554d158aadff36a84cd133a841

      SHA1

      b2087461f6c10af0503150850e84a8dc309afc48

      SHA256

      54b7c4e56ab1efc940f22df09a6afc597dc3216b3aa2d597e32e9e26c9af6131

      SHA512

      034f4d339f2c6509bf74147ec072552d4e3169cc3ed9dccbb666b0468c7d9e9e95a053b999c6f802a71f3ae529d6f177d6e76e88384a082a346c3e022a08266a

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/472-473-0x0000000000A30000-0x0000000000A31000-memory.dmp

      Filesize

      4KB

    • memory/472-474-0x00000000000B0000-0x0000000000A1F000-memory.dmp

      Filesize

      9.4MB

    • memory/472-471-0x0000000000A30000-0x0000000000A31000-memory.dmp

      Filesize

      4KB

    • memory/472-690-0x0000000032AF0000-0x0000000032D4F000-memory.dmp

      Filesize

      2.4MB

    • memory/1188-170-0x000000002C3B0000-0x000000002C60F000-memory.dmp

      Filesize

      2.4MB

    • memory/2948-427-0x00000000000E0000-0x00000000000E1000-memory.dmp

      Filesize

      4KB

    • memory/2948-429-0x00000000000E0000-0x00000000000E1000-memory.dmp

      Filesize

      4KB

    • memory/2948-431-0x00000000000E0000-0x00000000000E1000-memory.dmp

      Filesize

      4KB

    • memory/2948-432-0x0000000000100000-0x0000000000895000-memory.dmp

      Filesize

      7.6MB