Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 07:49

General

  • Target

    b4f8b828855fd47fc391c286680b0102fcc0d9ee316b8a16743762b533173e62.exe

  • Size

    314KB

  • MD5

    1346eb3a071da3deab6d7dee6d0c9d6f

  • SHA1

    910301d216041231738c9371553534f69ca4b610

  • SHA256

    b4f8b828855fd47fc391c286680b0102fcc0d9ee316b8a16743762b533173e62

  • SHA512

    fad938f3d141ba4f49c45c35c0a58619b019278ffbfeba3cd81221a77336b20dd5a334af05aec3736c6f6ba5591e1c0200bae7959e4276f0aeb743e21efd7058

  • SSDEEP

    6144:VrYbUzkuvcBYC47l2xa6g4FhwjZd/9d1XKxlo/ecwrHs5j:VrdkuveY36kjZP/XKxlSZAHy

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4f8b828855fd47fc391c286680b0102fcc0d9ee316b8a16743762b533173e62.exe
    "C:\Users\Admin\AppData\Local\Temp\b4f8b828855fd47fc391c286680b0102fcc0d9ee316b8a16743762b533173e62.exe"
    1⤵
    • Loads dropped DLL
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\_tin5331.bat"
      2⤵
        PID:1416

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\InstallMate\1EA62F6C\cfg\1.ini

      Filesize

      368B

      MD5

      3a9830a2f57ef1e602de02bd9cc8eb56

      SHA1

      5135a0295755e536b833c6c6010900ff99cdbabf

      SHA256

      8d138bedf3228f7ef9405940526a73f49395fd2917aa22e7d5596297e222da42

      SHA512

      87ed85acdc1509bb02e437f50e7a90695f66b2a7a996a526f0310ba277de9ce8d7343983e2ae0b5dbedcca832bb90da802d7182972f1b14be0a203cfbd14cc41

    • C:\Users\Admin\AppData\Local\Temp\_tin5331.bat

      Filesize

      50B

      MD5

      e49ea8fd69c22934e12903f821781430

      SHA1

      f1880bd2d6422572c53076177a54f62955b21dfb

      SHA256

      0af9dd07b463b6b90182abe505be86b03ced88729a5236684e39ce3375e052eb

      SHA512

      65bdf9630f6074ff312affa199e44bca63a38f1ad2a7ae25fcb5dd78539db87a4f8f9a3f2ebc17e089f16c422b108b0a4643ea971e2cd5c4f56956ffba32c198

    • \Users\Admin\AppData\Local\Temp\Tsu7F9E6B19.dll

      Filesize

      269KB

      MD5

      af7ce801c8471c5cd19b366333c153c4

      SHA1

      4267749d020a362edbd25434ad65f98b073581f1

      SHA256

      cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

      SHA512

      88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

    • \Users\Admin\AppData\Local\Temp\{20B97539-1FF4-4176-A39D-57D6FB5A57CF}\Custom.dll

      Filesize

      91KB

      MD5

      007b5fc4d6da8d120170be285d7e0bdc

      SHA1

      f32589aef4f6b3c3384df75218943f13feb0a845

      SHA256

      a8e8807a9edcbb67dc1af5b6ef07fa151d153b7eaa78939be8874529939f1647

      SHA512

      bf528370f12d9f2d40c233544de3ca7594942ef5bdde0d17b96760eaf162a435181ee24253c06c473d7fd3c4cab5911150381e5999ec8990069276bd5ecfe9c4

    • \Users\Admin\AppData\Local\Temp\{20B97539-1FF4-4176-A39D-57D6FB5A57CF}\_Setup.dll

      Filesize

      173KB

      MD5

      40ff5ae516fc869ef29e59f018d8f17f

      SHA1

      ed8642cf6c47a331037a01ccd27e92f94ffa9835

      SHA256

      e35b1cbd557c01edde9ea29e44a6fc11dee2d131964070b15b6f0f1bc5a5ec83

      SHA512

      8da81741a31f84490c9c25990fc17cb0c4a75ba6a7ff03069413d5dc6f49cafd97118a7bb4af94d10768be895b086b7ea1d5c49d27e0110587fdaf6fd7129cbc

    • memory/1052-55-0x0000000075931000-0x0000000075933000-memory.dmp

      Filesize

      8KB

    • memory/1416-58-0x0000000000000000-mapping.dmp