Analysis

  • user interaction
    yes
  • max time kernel
    66s
  • max time network
    52s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/04/2026, 20:27

General

  • Target
    Xerin 5.9.3.rar
  • Size 12.8MB
  • Sample260427-y8ppmac16q
  • SHA256 c7114e999c674aadd4ca022675c3f9a03d0994cd2d7e34b1b5171fc526a44625
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Detects DonutLoader 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 18 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Xerin 5.9.3.rar"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4456
  • C:\Users\Admin\Desktop\XerinFuscator G3.exe
    "C:\Users\Admin\Desktop\XerinFuscator G3.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:5664
  • C:\Users\Admin\Desktop\XerinFuscator G3.exe
    "C:\Users\Admin\Desktop\XerinFuscator G3.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:4704
  • C:\Users\Admin\Desktop\Xerin.CLI.exe
    "C:\Users\Admin\Desktop\Xerin.CLI.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    PID:3404
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2504

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          XerinFuscator G3.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\XerinFuscator G3.exe.log
          • Size 1KB
          • SHA256 7aa54ec74071d40d205f49713d48ca19633d635d67c7f1fccb68197f31df7b3a
          • MD5 SHA1 SHA512 TLSH

          Terminator.dll

          • Path C:\Users\Admin\Desktop\Terminator.dll
          • Size 4KB
          • SHA256 21ba8488af5b54b4a375db3eb551b1a1035bcf8bbc6a696c0d40805227302a38
          • MD5 SHA1 SHA512 TLSH

          Xerin.Auth.dll

          • Path C:\Users\Admin\Desktop\Xerin.Auth.dll
          • Size 940KB
          • SHA256 76a229167d355f29f616429326719b48ad7d8d829b41737ef019efe8398e9692
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Xerin.CLI.exe

          • Path C:\Users\Admin\Desktop\Xerin.CLI.exe
          • Size 434KB
          • SHA256 c50aa07c5efb4d5394ebad855d249ee17a78dd8cd6fa47aa36f08b2e460d900e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Xerin.Core.dll

          • Path C:\Users\Admin\Desktop\Xerin.Core.dll
          • Size 1.4MB
          • SHA256 9002d4a4776c691cfb827093da8c3de7af8e5808e456d56b5e942becc5558cf6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Xerin.Loader.dll

          • Path C:\Users\Admin\Desktop\Xerin.Loader.dll
          • Size 2.4MB
          • SHA256 b68a6b8a827a5ede74f15ee37b3dbde32828df2409833d4580774e5e9afe75d9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Xerin.Protections.dll

          • Path C:\Users\Admin\Desktop\Xerin.Protections.dll
          • Size 3.2MB
          • SHA256 76c6779c5eb637f74080a3c8c6d2a0e7d0735522b3ff7db920225f7b5e5365cb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XerinFuscator G3.exe

          • Path C:\Users\Admin\Desktop\XerinFuscator G3.exe
          • Size 4.5MB
          • SHA256 f36b7f2038eab18e8e527281dc5ad43be857119d514b6da10838510785bef0d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3404-82-0x0000000007050000-0x000000000738A000-memory.dmp

          memory/3404-76-0x0000000005940000-0x00000000059A2000-memory.dmp

          memory/3404-75-0x0000000005A40000-0x0000000005BBE000-memory.dmp

          memory/3404-88-0x0000000005BF0000-0x0000000005BF8000-memory.dmp

          memory/3404-70-0x0000000000BF0000-0x0000000000CA2000-memory.dmp

          memory/3404-94-0x0000000001370000-0x00000000013EB000-memory.dmp

          memory/3404-95-0x0000000005590000-0x00000000055F4000-memory.dmp

          memory/4704-66-0x0000000001290000-0x000000000130B000-memory.dmp

          memory/4704-67-0x0000000005180000-0x00000000051E4000-memory.dmp

          memory/5664-44-0x0000000006540000-0x0000000006AE6000-memory.dmp

          memory/5664-57-0x00000000054E0000-0x0000000005544000-memory.dmp

          memory/5664-56-0x0000000001600000-0x000000000167B000-memory.dmp

          memory/5664-53-0x000000000CDE0000-0x000000000CF16000-memory.dmp

          memory/5664-49-0x0000000005630000-0x0000000005640000-memory.dmp

          memory/5664-48-0x0000000009630000-0x0000000009844000-memory.dmp

          memory/5664-47-0x0000000009200000-0x000000000962C000-memory.dmp

          memory/5664-46-0x0000000007A70000-0x0000000007A7A000-memory.dmp

          memory/5664-45-0x0000000006170000-0x0000000006202000-memory.dmp

          memory/5664-43-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

          memory/5664-42-0x0000000005CE0000-0x0000000005F82000-memory.dmp

          memory/5664-38-0x0000000005580000-0x0000000005581000-memory.dmp

          memory/5664-37-0x0000000005630000-0x0000000005640000-memory.dmp

          memory/5664-36-0x0000000000630000-0x0000000000AB8000-memory.dmp