Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2024 01:10

General

  • Target

    image001.exe

  • Size

    756KB

  • MD5

    31c87737ea27257492b80ffe38db4a02

  • SHA1

    202620c58aee7e3d873f344196fa43c5ad863baf

  • SHA256

    16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31

  • SHA512

    f50ee3c56f7f498fb54c501201bda1640bb7b9e7476dc896b2c19a7706b0f132bae808b4a312c0c401a1b8e58058b7255cc2ed9026b19a7a561f3168d85dbec9

  • SSDEEP

    12288:PfyfpWOhx8kPn3HLK1ADGl8qWp5YXaZG5EpKXoz9E6IgybM6LIrGH0Tl2TAXjUva:PfyjiGuASGqM5YXH5U9bITbj8LTUTijU

Malware Config

Signatures

  • Neshta

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Loads dropped DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 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).

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\image001.exe
    "C:\Users\Admin\AppData\Local\Temp\image001.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\image001.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qwyxUYwZbCeXJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qwyxUYwZbCeXJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2118.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2812
    • C:\Users\Admin\AppData\Local\Temp\image001.exe
      "C:\Users\Admin\AppData\Local\Temp\image001.exe"
      2⤵
      • Loads dropped DLL
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2118.tmp

    Filesize

    1KB

    MD5

    8a2b4ca554468c17f28317c37e1b99a1

    SHA1

    c3cccab7c7489fa0527717df9d1b3c20ac992a49

    SHA256

    1f5bdc306c4016789e9ec51db53ec4ae9f068f4f2f99f2e72fcf705306fd2dfc

    SHA512

    3249f5876fd3daa0737f2f2c284b8fc8139d9e46cb46e1d7e6b9f89f613eb75bdce4fd075467e432befd12c48ad66d3bfbc89b7e1ec43c2faa7d93cccb961df1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    8f9ca853e4480259bd938f9a097a2cfc

    SHA1

    6157af149eee4c33d2ae13183d396f393a440b9e

    SHA256

    a3251514f4bd29e70e25720738d5a5a0756b253d567215c49fad225af08077b3

    SHA512

    ba1a411a9830b9212686be88075525caa684ffb21d7178c0c0d68f2766905ff8f65f9bb7c1852d8fe748af753f76ff2fcb35d0df2ce26e123c0b206ac7a299b3

  • C:\Users\Admin\AppData\Roaming\QWYXUY~1.EXE

    Filesize

    756KB

    MD5

    31c87737ea27257492b80ffe38db4a02

    SHA1

    202620c58aee7e3d873f344196fa43c5ad863baf

    SHA256

    16ecf712d513d305e40994ad4cdc51cc5b9be0f5f7067c543f00875973bc0a31

    SHA512

    f50ee3c56f7f498fb54c501201bda1640bb7b9e7476dc896b2c19a7706b0f132bae808b4a312c0c401a1b8e58058b7255cc2ed9026b19a7a561f3168d85dbec9

  • C:\Windows\svchost.com

    Filesize

    40KB

    MD5

    a84134e51db793d68b3b1a8718eb3b32

    SHA1

    0ff8ae348f19210799b74168610771d019e6ac26

    SHA256

    88a5de78b70d1164451d38d1415bbba1e374ffca345c089701e6a750212960f6

    SHA512

    49bb49e190f435708fb2cc8461eace217d883a202a157f812b4277afb582a47db9944abaf7313d909958bfa0b40ee57fbacb844327eeab46ba0b5b4d37b15ec8

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/332-36-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/332-1-0x0000000000D10000-0x0000000000DD4000-memory.dmp

    Filesize

    784KB

  • memory/332-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/332-3-0x0000000000450000-0x0000000000460000-memory.dmp

    Filesize

    64KB

  • memory/332-4-0x0000000000520000-0x000000000052E000-memory.dmp

    Filesize

    56KB

  • memory/332-5-0x0000000005B10000-0x0000000005B9E000-memory.dmp

    Filesize

    568KB

  • memory/332-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/2856-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2856-30-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-28-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-26-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-33-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-34-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2856-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB