Analysis

  • max time kernel
    140s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 19:39

General

  • Target

    0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe

  • Size

    1.8MB

  • MD5

    938aed087a343f6177ffe5f8ba3944a3

  • SHA1

    660715046a506d3995cd87c9f5628c3db029f06b

  • SHA256

    0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977

  • SHA512

    354bd6f1a1ce8f73d815b891a10887a204c897ddbd0e98699e0323cde38a8aa96a82804064679503502b6ee3609765530ea10eb4bb103403954ecf407b1c3df3

  • SSDEEP

    49152:uWwO7RVi/cnQD2OOJOhFhKONotW6mTZTeklSgCGYnnC3I7:uWh7Li/WyvhcgT8goC3S

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

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

  • Neshta family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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.

  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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).

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe
    "C:\Users\Admin\AppData\Local\Temp\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.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:2084
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • \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\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe

    Filesize

    1.7MB

    MD5

    c321f026aa95d0922d0bad113cb950b4

    SHA1

    3623d7ff7c714fcac5acf600bed851417c3ed8c9

    SHA256

    06340d7b087ab2175892ec1afa3ce9f1b50813b215d4555c4ffc0535f8472085

    SHA512

    a8434e4372e3bcef39b49441e87ee151d5055e7af1e0111df23f8078faa7879fcf817421b50e389315998ee08a1d4b42132b6ff243f9c19efa7c9acdab0e8542

  • memory/2084-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2084-12-0x0000000002ED0000-0x00000000033C8000-memory.dmp

    Filesize

    5.0MB

  • memory/2084-9-0x0000000002ED0000-0x00000000033C8000-memory.dmp

    Filesize

    5.0MB

  • memory/2084-89-0x0000000002ED0000-0x00000000033C8000-memory.dmp

    Filesize

    5.0MB

  • memory/2084-90-0x0000000002ED0000-0x00000000033C8000-memory.dmp

    Filesize

    5.0MB

  • memory/2084-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2744-96-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-100-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-92-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-14-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-97-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-98-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-99-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-93-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-101-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-102-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-103-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-104-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-105-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-106-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-107-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB

  • memory/2744-108-0x0000000000380000-0x0000000000878000-memory.dmp

    Filesize

    5.0MB