Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 3 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 2 IoCs
  • Loads dropped DLL 3 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe
    "C:\Users\Admin\AppData\Local\Temp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.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:1736
    • C:\Users\Admin\AppData\Local\Temp\3582-490\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Users\Admin\AppData\Local\Temp\is-E3O4F.tmp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-E3O4F.tmp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.tmp" /SL5="$500E0,958854,121344,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:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.exe

    Filesize

    1.3MB

    MD5

    ab62dfb82d431aa6bfffcb444438397e

    SHA1

    45a711ffe4041ef2c9ebd49b35467e52d9f0ac3a

    SHA256

    4931290c225db184fd7ef491c0d74f41b6c752af667dd30e966967f0f03113fe

    SHA512

    4adaef2cc882a1a2134a76a3cde2586d76a8cdb49f8ef77e4d8c2784e3c98123e4bb2732d88489f0f90ac3b51acaa339bbdc1ab8a3374c89140ec141b7c86e74

  • \Users\Admin\AppData\Local\Temp\is-E3O4F.tmp\86e7906c7593c2eb992b3e473f5925f4cb5233f8698e4ce10f2126d311fa7da0N.tmp

    Filesize

    1.2MB

    MD5

    a803befa2dd9e3c7569e4f02b12343ee

    SHA1

    679a1eecee23597c06caa4a787c8fabe9e4bf9d2

    SHA256

    8235db46d3751f52d53f85d61fd310b69231513b7e1e73c01324a59563f3fd22

    SHA512

    9e2f68d124746ebe9035e9abf4ed30dd80a775f40466c0d3acb8d7e957f6bd83e03a5545665ad4c50a822f485390e7af04edd609975174658e8d7fcd69c15feb

  • memory/1736-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1736-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1772-9-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/1772-12-0x0000000000401000-0x0000000000412000-memory.dmp

    Filesize

    68KB

  • memory/1772-95-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2496-20-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-96-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-100-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-102-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-104-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-106-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-108-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-110-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-112-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-114-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-116-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-118-0x0000000000400000-0x000000000052E000-memory.dmp

    Filesize

    1.2MB