Analysis

  • max time kernel
    118s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 02:37

General

  • Target

    6163a3302b0eb60ff371116b0e90de30df65493ac7192235d4495e43c4a41d4f.exe

  • Size

    5.7MB

  • MD5

    54c804c8f597748ce17394624b6c08a4

  • SHA1

    4afa779208e5fa47630a8c4a17107e54db2234f5

  • SHA256

    6163a3302b0eb60ff371116b0e90de30df65493ac7192235d4495e43c4a41d4f

  • SHA512

    17ef71946a361962fc1747d78b60bb481574fba96b079cc3f7b2f220fa36db506cecd3ef9729c84c4e20b9c04b50ec766431d5dce0e21b8f2a15037750003384

  • SSDEEP

    49152:trikhN5aCxzCm5BOjP7lTu142JueO4dG8Hc64HTan/Fb:RQXQ

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.

  • 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 1 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6163a3302b0eb60ff371116b0e90de30df65493ac7192235d4495e43c4a41d4f.exe
    "C:\Users\Admin\AppData\Local\Temp\6163a3302b0eb60ff371116b0e90de30df65493ac7192235d4495e43c4a41d4f.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:2148
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6163a3302b0eb60ff371116b0e90de30df65493ac7192235d4495e43c4a41d4f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6163a3302b0eb60ff371116b0e90de30df65493ac7192235d4495e43c4a41d4f.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2056

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

  • C:\Users\Admin\AppData\Local\Temp\CabD07B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD0CC.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \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\6163a3302b0eb60ff371116b0e90de30df65493ac7192235d4495e43c4a41d4f.exe

    Filesize

    5.7MB

    MD5

    0066f98970748d1173343ecb8efcb60f

    SHA1

    b849377f56b23bedd094b3069f645542f095b782

    SHA256

    fdec686409d94188a755f39cb793f93fd2f0b62e99bc13ea9a63e1f3dd78c8a1

    SHA512

    fd805eb1e9be1bebe114d3e069fd387e337b620b003425d824debf5426111f97138b2e654e467b41983685c634d485edfc8434ad6217197d1266925f5ede9b1a

  • memory/2056-52-0x0000000000B60000-0x0000000000B72000-memory.dmp

    Filesize

    72KB

  • memory/2056-46-0x0000000000A10000-0x0000000000A3C000-memory.dmp

    Filesize

    176KB

  • memory/2056-59-0x0000000000C50000-0x0000000000C62000-memory.dmp

    Filesize

    72KB

  • memory/2056-58-0x0000000000C40000-0x0000000000C52000-memory.dmp

    Filesize

    72KB

  • memory/2056-57-0x0000000000C30000-0x0000000000C46000-memory.dmp

    Filesize

    88KB

  • memory/2056-56-0x0000000000BA0000-0x0000000000BB2000-memory.dmp

    Filesize

    72KB

  • memory/2056-55-0x0000000000B90000-0x0000000000BA2000-memory.dmp

    Filesize

    72KB

  • memory/2056-54-0x0000000000B80000-0x0000000000B94000-memory.dmp

    Filesize

    80KB

  • memory/2056-53-0x0000000000B70000-0x0000000000B82000-memory.dmp

    Filesize

    72KB

  • memory/2056-36-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

    Filesize

    9.9MB

  • memory/2056-51-0x0000000000B50000-0x0000000000B62000-memory.dmp

    Filesize

    72KB

  • memory/2056-48-0x0000000000A40000-0x0000000000A5C000-memory.dmp

    Filesize

    112KB

  • memory/2056-47-0x0000000000AF0000-0x0000000000B44000-memory.dmp

    Filesize

    336KB

  • memory/2056-49-0x0000000000460000-0x0000000000470000-memory.dmp

    Filesize

    64KB

  • memory/2056-45-0x000000001B9A0000-0x000000001BB88000-memory.dmp

    Filesize

    1.9MB

  • memory/2056-50-0x0000000000A60000-0x0000000000A72000-memory.dmp

    Filesize

    72KB

  • memory/2056-102-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

    Filesize

    40KB

  • memory/2056-101-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

    Filesize

    40KB

  • memory/2056-12-0x0000000000F90000-0x0000000001540000-memory.dmp

    Filesize

    5.7MB

  • memory/2056-11-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

    Filesize

    4KB

  • memory/2056-209-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

    Filesize

    4KB

  • memory/2056-212-0x0000000000CB0000-0x0000000000CBA000-memory.dmp

    Filesize

    40KB

  • memory/2056-211-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

    Filesize

    9.9MB

  • memory/2148-210-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2148-213-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2148-215-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB