Analysis

  • max time kernel
    31s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 06:35

General

  • Target

    5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe

  • Size

    5.4MB

  • MD5

    5903ff5989daeb737212efdfcc68e040

  • SHA1

    2327f797b986251c754ca046e8495ca853c7a2c3

  • SHA256

    5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30

  • SHA512

    7f1306c7acf51ec703600963ad017f990a01b81346e6a3559a22c532fba051ca57023bc787f1a727f213b43eef1ef58fed046e8566286ceca200aaf8d14ac33a

  • SSDEEP

    98304:B8P+ore3hUyhZTHJ/wh+9scxSntxDbMAOhe1+zgxa3xWf+RL5:2Pk3hUyhlGznzglZgxcNz

Malware Config

Signatures

  • Detect Neshta payload 4 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 2 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.

  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe
    "C:\Users\Admin\AppData\Local\Temp\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.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:2432
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2680

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\5b98a5667d8d715e759f98d87d6e7afe8101d126120b3a1cc38af3fbc0bc7f30N.exe

    Filesize

    5.4MB

    MD5

    6b06b79f73fce9294becce1f9a373aeb

    SHA1

    8565ecea4c9acd1da16d457d18e5ce81f46c18c6

    SHA256

    cf68307fb4f762c496c0cff04cc582685ce0d3d1682b3d7e1847c9a373dd6ab2

    SHA512

    d980d6478187e41e17ff4b5788f86df56ef1fd9909198267ea494d3b35deee983ee7132a21a77d568695613391f9b840f7a7f76ac16da6049c51def8a77d97ba

  • memory/2432-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2432-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2432-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2680-18-0x0000000000FF7000-0x000000000131B000-memory.dmp

    Filesize

    3.1MB

  • memory/2680-14-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2680-12-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2680-17-0x0000000000FC0000-0x0000000001881000-memory.dmp

    Filesize

    8.8MB

  • memory/2680-22-0x0000000000FC0000-0x0000000001881000-memory.dmp

    Filesize

    8.8MB

  • memory/2680-96-0x0000000000FC0000-0x0000000001881000-memory.dmp

    Filesize

    8.8MB

  • memory/2680-21-0x0000000000FF7000-0x000000000131B000-memory.dmp

    Filesize

    3.1MB

  • memory/2680-16-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB