Analysis

  • max time kernel
    141s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 06:22

General

  • Target

    asdfgtrew.exe

  • Size

    810.6MB

  • MD5

    e7bcb3c5f9bac76514648913d592b835

  • SHA1

    4bdfee4f86b94775101ee30162519f4432d6fd66

  • SHA256

    20be2bfafe25515cbc74fb7dca7344948286a01589eaddf8b78331bb1874331b

  • SHA512

    06e71c4acde96647f9c5ffa679997be1218112d039576f3b965826b55f76f2f8cb6d96c1794a2d9e69ff3fcd6babe9a9eac442d088e4d4857cec9d69bc1eb9ea

  • SSDEEP

    24576:j5EHxxiEkkd+S94jg/DsILCrhR0vk/ip9x:jSnisjOas28hRlaR

Malware Config

Signatures

  • Detect Neshta payload 2 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 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
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\asdfgtrew.exe
    "C:\Users\Admin\AppData\Local\Temp\asdfgtrew.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4208
    • 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\asdfgtrew.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gaiEDRmnrZS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2188
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gaiEDRmnrZS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC302.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5032
    • C:\Users\Admin\AppData\Local\Temp\asdfgtrew.exe
      "C:\Users\Admin\AppData\Local\Temp\asdfgtrew.exe"
      2⤵
      • Checks computer location settings
      • 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
      PID:2152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE

    Filesize

    328KB

    MD5

    6393898d7016d18692d3870a7c2ec9a1

    SHA1

    7e9c4fdeabb9d98e1525b4f8f8bba2d793cb2bb5

    SHA256

    5a4b689a9d76a3279e9a2e43878eaa28331ae4494a14b862f05f0a569f14ba0a

    SHA512

    3e9aff1c29e8c5f89c617b2eaa05a2106190658b15ae26664e0e6637119af7df05f66b544240038453283b3b9001a6ac2433aa05ad729f80901425e99ec510e1

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    911d24277739de23d751eac1a3445bf4

    SHA1

    8e52248b00806baaf6b3da6926874546160e87d7

    SHA256

    86a42634a9d8f23c295ad581e704f75b661aa101430829fb7c852698cbb980d0

    SHA512

    37fc294c65579dd1ae7f6cf69e5228944d2e970b410087c75dd8ecad867eb79baac5720ef6fa9ff6db94f8172c53fb31fdc33efabc87da931438f245448fb95e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q2ifa0nm.hcj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC302.tmp

    Filesize

    1KB

    MD5

    b193c5baf83623c9a750f0c85169f504

    SHA1

    3d9225ddfc6485b62969c1a7093d6452dcab0c22

    SHA256

    adcffb0e2c5a855f85ee8fcfc89dfa827f30123748b5e849c52d6e6dea949e34

    SHA512

    34c8572d5a09babf0734efdf00a31b120d93d1247393d1c0465819dd0e43621c79d7c5652dda34e6f57e41f29d90bc6e670902aff16598b54bdcf1745cea174c

  • memory/2152-49-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2152-50-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2188-76-0x000000006FB70000-0x000000006FBBC000-memory.dmp

    Filesize

    304KB

  • memory/2188-97-0x0000000007DB0000-0x0000000007DC4000-memory.dmp

    Filesize

    80KB

  • memory/2188-47-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2188-36-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2188-101-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2188-35-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2324-12-0x0000000005A20000-0x0000000006048000-memory.dmp

    Filesize

    6.2MB

  • memory/2324-72-0x0000000007E60000-0x0000000007E7A000-memory.dmp

    Filesize

    104KB

  • memory/2324-15-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2324-16-0x0000000006080000-0x00000000060A2000-memory.dmp

    Filesize

    136KB

  • memory/2324-23-0x00000000061C0000-0x0000000006226000-memory.dmp

    Filesize

    408KB

  • memory/2324-13-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2324-17-0x0000000006150000-0x00000000061B6000-memory.dmp

    Filesize

    408KB

  • memory/2324-28-0x0000000006330000-0x0000000006684000-memory.dmp

    Filesize

    3.3MB

  • memory/2324-29-0x00000000067F0000-0x000000000680E000-memory.dmp

    Filesize

    120KB

  • memory/2324-30-0x0000000006830000-0x000000000687C000-memory.dmp

    Filesize

    304KB

  • memory/2324-86-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2324-11-0x0000000002ED0000-0x0000000002F06000-memory.dmp

    Filesize

    216KB

  • memory/2324-73-0x0000000007E40000-0x0000000007E48000-memory.dmp

    Filesize

    32KB

  • memory/2324-14-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/2324-48-0x00000000077C0000-0x00000000077F2000-memory.dmp

    Filesize

    200KB

  • memory/2324-71-0x0000000007D60000-0x0000000007D74000-memory.dmp

    Filesize

    80KB

  • memory/2324-62-0x0000000006D90000-0x0000000006DAE000-memory.dmp

    Filesize

    120KB

  • memory/2324-70-0x0000000007D50000-0x0000000007D5E000-memory.dmp

    Filesize

    56KB

  • memory/2324-64-0x0000000007A00000-0x0000000007AA3000-memory.dmp

    Filesize

    652KB

  • memory/2324-52-0x000000006FB70000-0x000000006FBBC000-memory.dmp

    Filesize

    304KB

  • memory/2324-69-0x0000000007D20000-0x0000000007D31000-memory.dmp

    Filesize

    68KB

  • memory/2324-66-0x0000000007B20000-0x0000000007B3A000-memory.dmp

    Filesize

    104KB

  • memory/2324-65-0x0000000008160000-0x00000000087DA000-memory.dmp

    Filesize

    6.5MB

  • memory/2324-67-0x0000000007B90000-0x0000000007B9A000-memory.dmp

    Filesize

    40KB

  • memory/2324-68-0x0000000007DA0000-0x0000000007E36000-memory.dmp

    Filesize

    600KB

  • memory/4208-7-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/4208-63-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/4208-8-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/4208-9-0x0000000006890000-0x0000000006932000-memory.dmp

    Filesize

    648KB

  • memory/4208-10-0x0000000008F20000-0x0000000008FBC000-memory.dmp

    Filesize

    624KB

  • memory/4208-6-0x0000000005100000-0x0000000005118000-memory.dmp

    Filesize

    96KB

  • memory/4208-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/4208-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

    Filesize

    40KB

  • memory/4208-4-0x0000000074B80000-0x0000000075330000-memory.dmp

    Filesize

    7.7MB

  • memory/4208-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp

    Filesize

    584KB

  • memory/4208-2-0x00000000053E0000-0x0000000005984000-memory.dmp

    Filesize

    5.6MB

  • memory/4208-1-0x0000000000410000-0x00000000004EA000-memory.dmp

    Filesize

    872KB