Analysis

  • max time kernel
    119s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 03:21

General

  • Target

    61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe

  • Size

    7.2MB

  • MD5

    05442d4ae12dcdbe66842668eff47790

  • SHA1

    7325d4e70648f103bea78c6005c54087389925c3

  • SHA256

    61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cf

  • SHA512

    7a9798a395c1ea133ec15ea2d09f9f3527083f5ced4be7b21db1d170a86f06fed282e4b189eb74d93a564f29e36b6178f969f000d7472fe40718d976b850e742

  • SSDEEP

    196608:Ye4cH6mibEdWLfvnEQFwbBEPbaJzQX1zt9y8T7wUbGLa7/c:mcHM4MDEkOBEPwzc1z9TZ/c

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 System32 directory 41 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe
    "C:\Users\Admin\AppData\Local\Temp\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe"
    1⤵
    • Checks computer location settings
    • 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:4812
    • C:\Users\Admin\AppData\Local\Temp\3582-490\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3164
      • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe
        "C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe" -ORIGIN:"C:\Users\Admin\AppData\Local\Temp\3582-490\"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3992
        • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe
          C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe "C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\CET_TRAINER.CETRAINER" "-ORIGIN:C:\Users\Admin\AppData\Local\Temp\3582-490\"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:4824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe

    Filesize

    7.2MB

    MD5

    38926368b538ed4c1e24cd120d8dffcb

    SHA1

    cf51e4e6f90ad6d6659698c282344e7f3a2fab94

    SHA256

    b7d6e3039507ddb308abfcae448095c64e005ece8a5e1d6ad80b543dcff34cdc

    SHA512

    e7dd24462d2c9956458d2492ede3936d4477eedb4645104f8ce06eb97b1209d91298c28ef4cb8460b95d950b91b228cbba5900087b14e25c13d0d4a414aa5f66

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe

    Filesize

    225KB

    MD5

    971b37cedf686e0ac8ca0297a953aad9

    SHA1

    8ea777fa6c70a619d4e92cc6435c4eba2b16a23e

    SHA256

    1965546a19990b4523a1588eb0d7fdd42bd443e2bcc632dae04343d358394ae7

    SHA512

    2f0f3facf2587b751bb658eaab9ca1536d7326956b0eeca7bd0badc893c0878741f8bb56d8c1e360f2cb4bd9442866bd9faf7bdec7d02105f6c149640cf180d8

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\CET_Archive.dat

    Filesize

    6.9MB

    MD5

    87cc814472f706a8d83df6d4bb1e3af6

    SHA1

    26db0e4e4d2d8060cc4ceb5b46460f9dc13f22eb

    SHA256

    f85383da75e8659ad4656732176f334cef51b76acd21bc57b87683f6aeac6bcd

    SHA512

    dc12f22968369a69ed82add2faa7b7528a53e40e39034ea65332c0d34d2c8983d7a8910394ab0c85a40821d7a5d5c6eb335fe8069bd3665caea80b824ca8e087

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\61469bc9a1f5ec581a481817f4a701c4743c6bccd4d180f7fd5c14153986a2cfN.exe

    Filesize

    15.9MB

    MD5

    edeef697cbf212b5ecfcd9c1d9a8803d

    SHA1

    e90585899ae4b4385a6d0bf43c516c122e7883e2

    SHA256

    ac9bcc7813c0063bdcd36d8e4e79a59b22f6e95c2d74c65a4249c7d5319ae3f6

    SHA512

    1aaa8fc2f9fafecbe88abf07fbc97dc03a7c68cc1d870513e921bf3caeaa97128583293bf5078a69aecbb93bf1e531605b36bd756984db8d703784627d1877d1

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\CET_TRAINER.CETRAINER

    Filesize

    158KB

    MD5

    2e9271bf85b6168648c4e0ebab2000d6

    SHA1

    f76727741647a76de0f5d056b41e782c6b084490

    SHA256

    81f9a60116b7649fd4c136978b48db488dd781e87d496cc3377a83291b6568ef

    SHA512

    549fd40c9e03ff194f72508cefc75cbcf8d7a0e336b5ff12bbb888a256a3314cf1d81e03dcf40722a2e10f9bb25bead093b86523b4116a04145067faba8c7952

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\autorun\luasymbols.lua

    Filesize

    629B

    MD5

    df4d243ab0407a1f03ccf448232fcf62

    SHA1

    62453cfa7abf6fa83158be1ba86c854d9a6b7d4b

    SHA256

    c5a35380af8bebe96b85377f5f41f8c068cb857c74b9cb85b7467b35c1de10c4

    SHA512

    4b05b65909673e92f59ab64c1ff4e0b829f5c9085eafa1fff28cb0ccd7e6a7f6ef031633f443e0ba156a4b8f5009f526d0356f39ef77b22706f98f100b1909c2

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\autorun\monoscript.lua

    Filesize

    132KB

    MD5

    76168ca68f3ed8ade110b140244efbaf

    SHA1

    2af08403d17a64b10429c8fce68aa085a6b287b7

    SHA256

    5832b5ab00e84690ac1e780e8b1c4abd9649465234c9ffa2cecb410be66a6b8a

    SHA512

    80ad21d631934d2b8e368a5b2d3cb5f1889d4a65099c2d8cd8ba37eb721c1ebdc2c6549fc530514bf9f96976ffcbfd372150f1f16a6591da013fe4f1d1bb070b

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\defines.lua

    Filesize

    12KB

    MD5

    62e1fa241d417668f7c5da6e4009a5a6

    SHA1

    f887409e3c204a87731f317a999dc7e4cc8d3fcd

    SHA256

    82e8ef7df20a86791cef062f2dcacb1d91b4adc9f5dea2fd274886be8365b2f8

    SHA512

    2283cbb9e1d5d53ad1ed9bc9db6034fb3c53c633b11001f373523640bbbba95da9a3a0866c7d5fa0620facab7d18c8577dfd69496fc7319e0a4a74d0b9e10c45

  • C:\Users\Admin\AppData\Local\Temp\cetrainers\CETBB70.tmp\extracted\lua53-64.dll

    Filesize

    528KB

    MD5

    b7c9f1e7e640f1a034be84af86970d45

    SHA1

    f795dc3d781b9578a96c92658b9f95806fc9bdde

    SHA256

    6d0a06b90213f082cb98950890518c0f08b9fc16dbfab34d400267cb6cdadeff

    SHA512

    da63992b68f1112c0d6b33e6004f38e85b3c3e251e0d5457cd63804a49c5aa05aa23249e0614dacad4fec28ca6efdb5ddee06da5bfbfa07e21942976201079f3

  • memory/4812-115-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4812-116-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4812-118-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB