Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 05:31

General

  • Target

    7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe

  • Size

    242KB

  • MD5

    a6a92609baaccdc4691e599503117900

  • SHA1

    97fc4460ee96f3c1d7bb9550e7379915b72b3a3f

  • SHA256

    7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9

  • SHA512

    93ce67d76047e97966837d4428670a349064d6bf933136817c954602d9db588d95203002199518a082cebb940e36328a4fbd53deb558fcb043aedca0c5f4100c

  • SSDEEP

    3072:sr85CKY33k4G7H+XtVXZMSmAxTeK1+31RP98NIMRUi/0OZZReUPFewA/Y:k9KY33k4Gjm+31Rqf0OpeUPkD/Y

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 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe
    "C:\Users\Admin\AppData\Local\Temp\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.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:2960
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe"
      2⤵
      • Executes dropped EXE
      PID:2468

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

  • \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\7d2452d6f5ee62f38af7b7fd8a04ea70351725e455af0a1a6ddb36e100bf44c9N.exe

    Filesize

    201KB

    MD5

    6798873be94a91703aed6882f6df5413

    SHA1

    17ca09a67309517636563e2affad6334dd7af6bf

    SHA256

    6c4336b93a6f85f94dd1b547df9377a928c6aed6306ce11b541bbb1350763331

    SHA512

    8d61084710b78b74fcf2287cdf4f2fffdb9c8066c3b4dc4b1f47741d73a56548b7e02c4ba95ad3db3a33a38c04dc1bad34a0ddc32282ecaf3ac3865cf2278bce

  • memory/2960-82-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2960-84-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB