Analysis

  • max time kernel
    134s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/01/2024, 14:47

General

  • Target
    SAMPLES.EXE.exe
  • Size 780KB
  • Sample240118-r5vm5scffk
  • SHA256 7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Neshta

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

  • 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 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SAMPLES.EXE.exe
    "C:\Users\Admin\AppData\Local\Temp\SAMPLES.EXE.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:464
    • 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\SAMPLES.EXE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3320
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JdlPFHWpQXC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JdlPFHWpQXC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp759D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4964
    • C:\Users\Admin\AppData\Local\Temp\SAMPLES.EXE.exe
      "C:\Users\Admin\AppData\Local\Temp\SAMPLES.EXE.exe"
      2⤵
      • Checks computer location settings
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:968
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:4076
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4316

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 b93aa3a69ea2d86cb5496baac9e1b4721cc39322abbde4595d58f9ed4c041c7c
          • MD5 SHA1 SHA512 SSDEEP

          SAMPLES.EXE.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3582-490\SAMPLES.EXE.exe
          • Size 539KB
          • SHA256 a23df416c72fbfc4c1f8e789d4c71018581fd90b2b4c8b71cd081d3ce389c345
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_4g4np1s5.4sb.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4g4np1s5.4sb.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp759D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp759D.tmp
          • Size 1KB
          • SHA256 67434eb2831bb774ab504a255da752e18c775ce7999277be3e8c36f2d37b6929
          • MD5 SHA1 SHA512

          JDLPFH~1.EXE

          • Path C:\Users\Admin\AppData\Roaming\JDLPFH~1.EXE
          • Size 29KB
          • SHA256 1aeb33593c825961930deb60b9efe02fb035c8695ab195021e1253897272df04
          • MD5 SHA1 SHA512 SSDEEP

          svchost.com

          • Path C:\Windows\svchost.com
          • Size 40KB
          • SHA256 22614585cebaadfe4332322c0fcd368fd402bbca8e83e7fe90e59a2bf993275b
          • MD5 SHA1 SHA512 SSDEEP

          memory/464-7-0x0000000005C50000-0x0000000005C64000-memory.dmp

          memory/464-6-0x0000000005A60000-0x0000000005A6A000-memory.dmp

          memory/464-9-0x0000000006030000-0x000000000603C000-memory.dmp

          memory/464-10-0x0000000007180000-0x0000000007206000-memory.dmp

          memory/464-11-0x000000000ADB0000-0x000000000AE4C000-memory.dmp

          memory/464-0-0x0000000000F50000-0x000000000101A000-memory.dmp

          memory/464-8-0x0000000006020000-0x0000000006028000-memory.dmp

          memory/464-52-0x00000000743C0000-0x0000000074B70000-memory.dmp

          memory/464-5-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

          memory/464-4-0x0000000005CC0000-0x0000000006014000-memory.dmp

          memory/464-21-0x00000000743C0000-0x0000000074B70000-memory.dmp

          memory/464-3-0x00000000058E0000-0x0000000005972000-memory.dmp

          memory/464-2-0x0000000006080000-0x0000000006624000-memory.dmp

          memory/464-27-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

          memory/464-1-0x00000000743C0000-0x0000000074B70000-memory.dmp

          memory/968-197-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/968-46-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/968-40-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/968-51-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/968-54-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/968-199-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/3320-22-0x0000000005A40000-0x0000000005A62000-memory.dmp

          memory/3320-153-0x0000000007CB0000-0x0000000007CBA000-memory.dmp

          memory/3320-16-0x0000000002FF0000-0x0000000003026000-memory.dmp

          memory/3320-17-0x00000000743C0000-0x0000000074B70000-memory.dmp

          memory/3320-18-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

          memory/3320-20-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

          memory/3320-192-0x00000000743C0000-0x0000000074B70000-memory.dmp

          memory/3320-188-0x0000000007F80000-0x0000000007F9A000-memory.dmp

          memory/3320-83-0x0000000007AD0000-0x0000000007B02000-memory.dmp

          memory/3320-82-0x000000007F640000-0x000000007F650000-memory.dmp

          memory/3320-94-0x0000000006E60000-0x0000000006E7E000-memory.dmp

          memory/3320-84-0x00000000704B0000-0x00000000704FC000-memory.dmp

          memory/3320-95-0x0000000002FE0000-0x0000000002FF0000-memory.dmp

          memory/3320-96-0x0000000007B10000-0x0000000007BB3000-memory.dmp

          memory/3320-118-0x0000000008280000-0x00000000088FA000-memory.dmp

          memory/3320-119-0x0000000007C40000-0x0000000007C5A000-memory.dmp

          memory/3320-189-0x0000000007F60000-0x0000000007F68000-memory.dmp

          memory/3320-187-0x0000000007E80000-0x0000000007E94000-memory.dmp

          memory/3320-186-0x0000000007E70000-0x0000000007E7E000-memory.dmp

          memory/3320-19-0x0000000005AB0000-0x00000000060D8000-memory.dmp

          memory/3320-161-0x0000000007EC0000-0x0000000007F56000-memory.dmp

          memory/3320-170-0x0000000007E40000-0x0000000007E51000-memory.dmp

          memory/4316-200-0x0000016A21840000-0x0000016A21850000-memory.dmp

          memory/4316-236-0x0000016A29D70000-0x0000016A29D71000-memory.dmp

          memory/4316-235-0x0000016A29C60000-0x0000016A29C61000-memory.dmp

          memory/4316-234-0x0000016A29C60000-0x0000016A29C61000-memory.dmp

          memory/4316-232-0x0000016A29C30000-0x0000016A29C31000-memory.dmp

          memory/4316-216-0x0000016A21940000-0x0000016A21950000-memory.dmp

          memory/5080-67-0x00000000069D0000-0x0000000006A1C000-memory.dmp

          memory/5080-196-0x00000000743C0000-0x0000000074B70000-memory.dmp

          memory/5080-28-0x0000000006190000-0x00000000061F6000-memory.dmp

          memory/5080-34-0x00000000062F0000-0x0000000006356000-memory.dmp

          memory/5080-26-0x00000000054B0000-0x00000000054C0000-memory.dmp

          memory/5080-66-0x0000000006910000-0x000000000692E000-memory.dmp

          memory/5080-23-0x00000000743C0000-0x0000000074B70000-memory.dmp

          memory/5080-25-0x00000000054B0000-0x00000000054C0000-memory.dmp

          memory/5080-134-0x00000000704B0000-0x00000000704FC000-memory.dmp

          memory/5080-135-0x000000007FDC0000-0x000000007FDD0000-memory.dmp

          memory/5080-151-0x00000000054B0000-0x00000000054C0000-memory.dmp