Analysis

  • max time kernel
    117s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 08:57

General

  • Target

    NEAS.1fa8ad6c5aaced33cff50b63d78c6960_JC.exe

  • Size

    55KB

  • MD5

    1fa8ad6c5aaced33cff50b63d78c6960

  • SHA1

    40ad0758df2103eebc8b647c26fbdda61aad74f8

  • SHA256

    ff12087bcb3d3a75fff66b59adedae4551d767b835abf3825d9baff21942dcf7

  • SHA512

    eebfdb351ec533d8e03566d86e411a195b309c568b0f98822c6b3bc34161d485a6dd0c0d8917b26209c08ef8ebcc2e609ecdc0cbef4134016edad9220cecbdb5

  • SSDEEP

    384:OEsITcsPGRTAQkSx4IWR/lFYs3xMR5WYKZseH5190W/bvwO6gpDJFjEYw3EkNHCM:OEsIZPGgSx4IWZHXBQFKV7Y3EmHIV4h

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.1fa8ad6c5aaced33cff50b63d78c6960_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.1fa8ad6c5aaced33cff50b63d78c6960_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\hfdfjdk.exe
      "C:\Users\Admin\AppData\Local\Temp\hfdfjdk.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    449d3faf4637a1ff5b8d232f8ccc111c

    SHA1

    24c976938569fea55508d5f159f4d69066f4849c

    SHA256

    0edd1a3783b1e7e4a6d02d2856aaaaf675828f5cbd772f7ce511a190358a9d55

    SHA512

    a0118096f25eca6582b8cad355835e3151161552e6e176e3b7f59b729aec372d45cfc27ac8ab25cd028c55de1f371515c35b72be6e5f437535a37c781bbb8280

  • C:\Users\Admin\AppData\Local\Temp\CabAA65.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarAB13.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\hfdfjdk.exe

    Filesize

    55KB

    MD5

    eda21794ff010dfb75c9ba229788e496

    SHA1

    15f025ec3924f707a7a503aa1a84f302a3db61a3

    SHA256

    c704ce090544cd613089e3db44d1fee05d225d3f43acc5f457233a3048b06b79

    SHA512

    68f0fa0058df0753dfcfb471404b9a6b4744823b032504d17da4fba6103dc7fe62e6ebea91b81afe2321300c9203c92e48544643f4103bd8e8c7eb0d82ccfd61

  • C:\Users\Admin\AppData\Local\Temp\hfdfjdk.exe

    Filesize

    55KB

    MD5

    eda21794ff010dfb75c9ba229788e496

    SHA1

    15f025ec3924f707a7a503aa1a84f302a3db61a3

    SHA256

    c704ce090544cd613089e3db44d1fee05d225d3f43acc5f457233a3048b06b79

    SHA512

    68f0fa0058df0753dfcfb471404b9a6b4744823b032504d17da4fba6103dc7fe62e6ebea91b81afe2321300c9203c92e48544643f4103bd8e8c7eb0d82ccfd61

  • \Users\Admin\AppData\Local\Temp\hfdfjdk.exe

    Filesize

    55KB

    MD5

    eda21794ff010dfb75c9ba229788e496

    SHA1

    15f025ec3924f707a7a503aa1a84f302a3db61a3

    SHA256

    c704ce090544cd613089e3db44d1fee05d225d3f43acc5f457233a3048b06b79

    SHA512

    68f0fa0058df0753dfcfb471404b9a6b4744823b032504d17da4fba6103dc7fe62e6ebea91b81afe2321300c9203c92e48544643f4103bd8e8c7eb0d82ccfd61

  • memory/1612-8-0x00000000001F0000-0x00000000001F4000-memory.dmp

    Filesize

    16KB

  • memory/1812-0-0x00000000002D0000-0x00000000002D4000-memory.dmp

    Filesize

    16KB