Analysis

  • max time kernel
    18s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 10:22

General

  • Target

    1545f16d88ce55983a90b16b41ab6ccbadfb90ca4c0d966b3eb6d1d2d57dabf1N.exe

  • Size

    2.5MB

  • MD5

    db0334758de1c7e8272e9dfd96e157d0

  • SHA1

    365782b08a80ac7db4e7413da999f50536fe6270

  • SHA256

    1545f16d88ce55983a90b16b41ab6ccbadfb90ca4c0d966b3eb6d1d2d57dabf1

  • SHA512

    48996a1d57cf8548755d02be1cb5bbed4e55acd293e2094df76bf4656ea13e279559c28130714cc2f4eddd57af9d7918fea099155795d86201d1bdad7e83bc6f

  • SSDEEP

    49152:0v7tA+Mr1HPPO3ojj+HSKY8X9tdLmcq/SMYB35CpciI:0DtANrJjKTttdLTM4PF

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 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
  • Maps connected drives based on registry 3 TTPs 3 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1545f16d88ce55983a90b16b41ab6ccbadfb90ca4c0d966b3eb6d1d2d57dabf1N.exe
    "C:\Users\Admin\AppData\Local\Temp\1545f16d88ce55983a90b16b41ab6ccbadfb90ca4c0d966b3eb6d1d2d57dabf1N.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:1700
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1545f16d88ce55983a90b16b41ab6ccbadfb90ca4c0d966b3eb6d1d2d57dabf1N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1545f16d88ce55983a90b16b41ab6ccbadfb90ca4c0d966b3eb6d1d2d57dabf1N.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Maps connected drives based on registry
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{9A861~1\setup.exe

    Filesize

    1.1MB

    MD5

    53be3d66b7b0c38ac06808402973b558

    SHA1

    72568f6a060dc76d89b9a4ac9ae4bd1e7a78e5fa

    SHA256

    d3ccaba1e434f793201ca6cdff441ac5e99ce5cb796396059291d6ceef5e8944

    SHA512

    5c94505aa1f3f1d9da39d6fbb3f8816f0b147d2384e244a6f4c7ca0c619993fd2499e325abf0d8259f4c47fe106bde8b7e4f195e273fb9eae1de3703d563b782

  • \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\1545f16d88ce55983a90b16b41ab6ccbadfb90ca4c0d966b3eb6d1d2d57dabf1N.exe

    Filesize

    2.5MB

    MD5

    ab488115268f8bf377e5148c2e91566a

    SHA1

    3d13554918e55bd9d608ac123e39d70d5d060194

    SHA256

    e8383fcde2b780ddf402a5e0b21fbd7d66ac886bf485969f35827336109f2737

    SHA512

    72fe0738d5e10defee2ff4420401f0f80d7dd67d55cb4634b87c6cdc1d11d4e4020c3ca8b8da4440d4d40e8a914bc4fda183f11ed27e0c4cdefec17a41cf3b28

  • memory/1700-159-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1700-157-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1700-156-0x0000000002D00000-0x000000000330C000-memory.dmp

    Filesize

    6.0MB

  • memory/1700-155-0x0000000002D00000-0x000000000330C000-memory.dmp

    Filesize

    6.0MB

  • memory/1700-11-0x0000000002D00000-0x000000000330C000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-23-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-18-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-19-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-14-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-20-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-29-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/2088-22-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-153-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-154-0x00000000014C0000-0x00000000014FC000-memory.dmp

    Filesize

    240KB

  • memory/2088-25-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB

  • memory/2088-24-0x0000000000500000-0x000000000060C000-memory.dmp

    Filesize

    1.0MB

  • memory/2088-16-0x00000000014C0000-0x00000000014FC000-memory.dmp

    Filesize

    240KB

  • memory/2088-15-0x0000000000EF0000-0x00000000014FC000-memory.dmp

    Filesize

    6.0MB