Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 06:05

General

  • Target

    06780334a7631ec69f066f87f37339682d5ffdf965d8bec63a9269e205f2d905N.exe

  • Size

    5.4MB

  • MD5

    80eb5aacbe453b541bd2e949ba6c4150

  • SHA1

    ab8e6ef3e54ea87af74abf5916932da58e6279e8

  • SHA256

    06780334a7631ec69f066f87f37339682d5ffdf965d8bec63a9269e205f2d905

  • SHA512

    5600f6252ab7563f4982f770e30c9b92a99ced49b2417121e0b560627d4ef5e6c24b244a59d9266bf819256a36e74f5924cca6e9914bdf61f811a7c02167015c

  • SSDEEP

    24576:9koRnb81dleJrL+oqDY59sITbJIxXeoChMY8n84IwLBWLhPOdJSbSK3+Zjc04BIs:Ni1dYFljmgKnllQhyS/J2/5+dyC/

Malware Config

Signatures

  • Neshta

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06780334a7631ec69f066f87f37339682d5ffdf965d8bec63a9269e205f2d905N.exe
    "C:\Users\Admin\AppData\Local\Temp\06780334a7631ec69f066f87f37339682d5ffdf965d8bec63a9269e205f2d905N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\3582-490\06780334a7631ec69f066f87f37339682d5ffdf965d8bec63a9269e205f2d905N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\06780334a7631ec69f066f87f37339682d5ffdf965d8bec63a9269e205f2d905N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 272
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

          Filesize

          859KB

          MD5

          754309b7b83050a50768236ee966224f

          SHA1

          10ed7efc2e594417ddeb00a42deb8fd9f804ed53

          SHA256

          acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

          SHA512

          e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

        • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Users\Admin\AppData\Local\Temp\3582-490\06780334a7631ec69f066f87f37339682d5ffdf965d8bec63a9269e205f2d905N.exe

          Filesize

          5.4MB

          MD5

          642d21685ebc9c47ae27d732d4d749cc

          SHA1

          c125fbdba8df4d3d50a5420dc1004c129b4ee467

          SHA256

          6e81d7a45c9e028dbb6c96f02e99e4796ae7b3f1dc065cb530b981db7b5df3c8

          SHA512

          6cc20f88b47101e743e72367fb0f5427aae770465dfe3f88b97d8a2b60a8055174c7eea0cfa58c495374caf20c62e5c593c7fd86d64a39846f6bdaf0595c8170

        • memory/2212-91-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2212-96-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2788-15-0x0000000000220000-0x0000000000221000-memory.dmp

          Filesize

          4KB

        • memory/2788-93-0x0000000000220000-0x0000000000221000-memory.dmp

          Filesize

          4KB

        • memory/2788-92-0x0000000000400000-0x0000000000963000-memory.dmp

          Filesize

          5.4MB

        • memory/2788-94-0x0000000000400000-0x0000000000963000-memory.dmp

          Filesize

          5.4MB