Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2024 12:45

General

  • Target

    PL2024-03.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\PL2024-03.exe
    "C:\Users\Admin\AppData\Local\Temp\PL2024-03.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2772
    • 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\PL2024-03.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • 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:1312
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qwyxUYwZbCeXJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7281.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2844
    • C:\Users\Admin\AppData\Local\Temp\PL2024-03.exe
      "C:\Users\Admin\AppData\Local\Temp\PL2024-03.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:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7281.tmp

    Filesize

    1KB

    MD5

    d26822ac3e53bbb79e7809434dea1a21

    SHA1

    5ba465f3095515bb40df1f309425c61c7cf09598

    SHA256

    a5a0170a290dfdca1d3665c3ce426e32f163212e64af65839918d082f5c5e80a

    SHA512

    32eeea88ba59c6d3190e6db4891ac876a77a7a8fed380da5dd909236985d2a7f09dc957f5c0b686eb3573ec90ba39e85cf0a696ea55caf160cb8b89d20b5395f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\A3C7D8ICEQGVRSJC784K.temp

    Filesize

    7KB

    MD5

    2d12df953b45a1127bc8fd91c131675e

    SHA1

    40626f4db94d9dbfbcd184ebaf9bdd4c73926641

    SHA256

    f09897731608098654750572ec413343e0e3218e38f398518b1a131547f33c04

    SHA512

    cbd0c05978c5e2bb17a4a2143b42234273ab6813834a2a173bfefc6428c2351b4a8b674762bf37f3ce6ee87fa65ec69b99a8999d9717a09a76a41ee70ef92654

  • 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/2772-36-0x0000000073F00000-0x00000000745EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2772-1-0x00000000010A0000-0x0000000001164000-memory.dmp

    Filesize

    784KB

  • memory/2772-2-0x0000000073F00000-0x00000000745EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2772-3-0x0000000000420000-0x0000000000430000-memory.dmp

    Filesize

    64KB

  • memory/2772-4-0x0000000000430000-0x000000000043E000-memory.dmp

    Filesize

    56KB

  • memory/2772-5-0x0000000005030000-0x00000000050BE000-memory.dmp

    Filesize

    568KB

  • memory/2772-0-0x0000000073F0E000-0x0000000073F0F000-memory.dmp

    Filesize

    4KB

  • memory/2828-33-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-28-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-30-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2828-26-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-34-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2828-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB