Analysis

  • max time kernel
    118s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2024, 21:15

General

  • Target

    86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe

  • Size

    1.4MB

  • MD5

    d102265b05a1746dad55c5ea498e8f00

  • SHA1

    4dabfbe5bbfe7e90e275717321aeafcb915e3b7f

  • SHA256

    86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0

  • SHA512

    c688ee87fb41e562bc7f0003474fa3475ad89c17511d7c2897a9557ccaef9c119ee0fc6071852c860e926db929827e408b216e274352235a7454f229ea130229

  • SSDEEP

    24576:X6eUDxsr6O4jInSugHJ2ngSMbaEGprpQnSER1Jn5mYfdw+VCfqbh:Kf06O4j1HJ2gjaEGpranSHr8

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 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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 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 use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe
    "C:\Users\Admin\AppData\Local\Temp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.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:3016
    • C:\Users\Admin\AppData\Local\Temp\3582-490\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Users\Admin\AppData\Local\Temp\is-589QU.tmp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-589QU.tmp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.tmp" /SL5="$60236,958854,121344,C:\Users\Admin\AppData\Local\Temp\3582-490\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe"
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        PID:5044

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\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe

    Filesize

    1.3MB

    MD5

    ab62dfb82d431aa6bfffcb444438397e

    SHA1

    45a711ffe4041ef2c9ebd49b35467e52d9f0ac3a

    SHA256

    4931290c225db184fd7ef491c0d74f41b6c752af667dd30e966967f0f03113fe

    SHA512

    4adaef2cc882a1a2134a76a3cde2586d76a8cdb49f8ef77e4d8c2784e3c98123e4bb2732d88489f0f90ac3b51acaa339bbdc1ab8a3374c89140ec141b7c86e74

  • C:\Users\Admin\AppData\Local\Temp\is-589QU.tmp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.tmp

    Filesize

    1.2MB

    MD5

    a803befa2dd9e3c7569e4f02b12343ee

    SHA1

    679a1eecee23597c06caa4a787c8fabe9e4bf9d2

    SHA256

    8235db46d3751f52d53f85d61fd310b69231513b7e1e73c01324a59563f3fd22

    SHA512

    9e2f68d124746ebe9035e9abf4ed30dd80a775f40466c0d3acb8d7e957f6bd83e03a5545665ad4c50a822f485390e7af04edd609975174658e8d7fcd69c15feb

  • memory/872-14-0x0000000000401000-0x0000000000412000-memory.dmp

    Filesize

    68KB

  • memory/872-11-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/872-104-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/3016-107-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3016-111-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3016-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5044-109-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-106-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-18-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-113-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-115-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-117-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-119-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-121-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-123-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-125-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-127-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/5044-129-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB