xworm

General

Target

Nexus Release.rar
Size

20.1MB
Sample

240614-r2t77syejk
MD5

ab3c1fd848d5570a40bb17a8d7b2107a
SHA1

351090de4d1200f7d53810fd4534ba56372a21f3
SHA256

b895ad7a2e10bc61670d50322612490e99a66cfd95a7a005a7ce5662617083f5
SHA512

03c38e025af6b195e26a78f203e60b6c059c34508af93c545aa06bbc8fe1fbd87afc6d50246d799c9459a322134241d46a7c4915d74e318a2f01cc64069f7b32
SSDEEP

393216:nezoWhX6DGw9q7AMeMW5wnfctGqovafOdPG9EZP/0CPa0o7rPKsZ4GsVwD:ezhXFw9q7feMWsfEcmOo9acga0CrPgJs

Score

10^/10

Malware Config

Extracted

Family

xworm

C2

91.92.241.69:5555

Attributes

Install_directory
%ProgramData%
install_file
Windows Runtime.exe

Targets

- Target
  
  Nexus Release/ByfronHook.dll
- Size
  
  21KB
- MD5
  
  4e3e92823caeac1203beaa5a35d6dafc
- SHA1
  
  893b591d46c39e817052cd05ec969fea74da4233
- SHA256
  
  3811858da4b1f5e7f40d1237d7189ddca3989fa0d7b07e87c538f92975b893d2
- SHA512
  
  0490e800f1e5c9b38b6c9b56616290f3a7214179e6d993214e3dd742d44d1d669fe5073b5a121c588c05f3e7c0ec576798236ee94e1a9b37e1d980d1969c9d33
- SSDEEP
  
  384:pPLl4JbDL8XQZW8LN/4pvuBUyHVz0Ad29DtSLKZR2CF/9+8ADu/TyZdEPLe:pPh4yQZW8LNuAUyJl29DtSLKZR2m9+8m
Score

1^/10
behavioral1
- Target
  
  Nexus Release/Nexus Release V1.7.exe
- Size
  
  20.1MB
- MD5
  
  253575deb2d3ea6f88d960bdd4199170
- SHA1
  
  7e0ecd244840472324d4ebec097c50983ddaec0d
- SHA256
  
  14a8a060706a3a20704260d43910fb96a7f727d399b08f946cc9a2db1875ee6e
- SHA512
  
  5833a87198ba997110f293a251394870035f247ba3aea4af6782ce5e1ae4dd5e8e163ccb53713435fe5b9e832bba5d23b3261b9e07a73e60bcd5bf622bd782e4
- SSDEEP
  
  393216:yuxL64bjP10Io0Yl/fsQ1s3dKHg8rYT3mH8Ac7wzli5fxslEe8OqF0EaVr5tye:RxPvW70YltWf8MT2HvcMzlcpsme8OqFO
Score

10^/10

xworm execution persistence rat trojan
- Detect Xworm Payload
- Xworm
  Xworm is a remote access trojan written in C#.
  trojan rat xworm
- Command and Scripting Interpreter: PowerShell
  Using powershell.exe command.
  execution
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
behavioral2
- Target
  
  Nexus Release/assets.dll
- Size
  
  171KB
- MD5
  
  bcc0b07de0a24f9701fc97d154ecd660
- SHA1
  
  cb5ba3b790cee940b4d18ff78e5a6cd71bdad47d
- SHA256
  
  672cb16128dea50e21fd2d98889e2d6a2264b654304a3f4248ebdf4c546f734a
- SHA512
  
  18959767986401bc877d30416e550c55e97c158f674b8f76dc9af117494e65e11d6000521f72be93c193ebd38f84d1b9578386c24911fda97507277f06ebd8e4
- SSDEEP
  
  3072:rN505WN505WN505WN505WN505WN505WN505WN505WN505m:rNJNJNJNJNJNJNJNJNB
Score

1^/10
behavioral3