Analysis
-
max time kernel
112s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-11-2024 22:36
Behavioral task
behavioral1
Sample
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe
Resource
win7-20240903-en
General
-
Target
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe
-
Size
333KB
-
MD5
28e89125b6fa82d12ab9408034852110
-
SHA1
88b5661e4ee9e7272f51d6c01ccdf883e9994c06
-
SHA256
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2
-
SHA512
379ccb72ff77cafce9a8a74a721618e8762cbba812698409f276ffc16274bcdd987c9cbe29502b81463e51bef106fa007871d0255e54c77d0526d4f1ffbdc7b0
-
SSDEEP
6144:JVBqzX2x/XsQ1YA53/vkNI+uuu7iDgbzzWoOd1KLcdV:BqzX2xfdY6/cNKlD+o61KUV
Malware Config
Signatures
-
Deletes itself 1 IoCs
Processes:
blyrp.exepid process 2468 blyrp.exe -
Executes dropped EXE 2 IoCs
Processes:
blyrp.exefvnqy.exepid process 2468 blyrp.exe 2648 fvnqy.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exeblyrp.exefvnqy.exepid process 2300 cmd.exe 2300 cmd.exe 2468 blyrp.exe 2648 fvnqy.exe 2648 fvnqy.exe 2648 fvnqy.exe 2648 fvnqy.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
fvnqy.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HTML = "c:\\Program Files\\kenqwvs\\fvnqy.exe \"c:\\Program Files\\kenqwvs\\fvnqy.dll\",PraseHTML" fvnqy.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
fvnqy.exedescription ioc process File opened (read-only) \??\k: fvnqy.exe File opened (read-only) \??\n: fvnqy.exe File opened (read-only) \??\s: fvnqy.exe File opened (read-only) \??\h: fvnqy.exe File opened (read-only) \??\m: fvnqy.exe File opened (read-only) \??\p: fvnqy.exe File opened (read-only) \??\q: fvnqy.exe File opened (read-only) \??\b: fvnqy.exe File opened (read-only) \??\j: fvnqy.exe File opened (read-only) \??\v: fvnqy.exe File opened (read-only) \??\x: fvnqy.exe File opened (read-only) \??\r: fvnqy.exe File opened (read-only) \??\t: fvnqy.exe File opened (read-only) \??\a: fvnqy.exe File opened (read-only) \??\e: fvnqy.exe File opened (read-only) \??\g: fvnqy.exe File opened (read-only) \??\i: fvnqy.exe File opened (read-only) \??\l: fvnqy.exe File opened (read-only) \??\o: fvnqy.exe File opened (read-only) \??\u: fvnqy.exe File opened (read-only) \??\w: fvnqy.exe File opened (read-only) \??\y: fvnqy.exe File opened (read-only) \??\z: fvnqy.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
fvnqy.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 fvnqy.exe -
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\blyrp.exe upx -
Drops file in Program Files directory 4 IoCs
Processes:
blyrp.exedescription ioc process File created \??\c:\Program Files\kenqwvs\fvnqy.exe blyrp.exe File opened for modification \??\c:\Program Files\kenqwvs\fvnqy.exe blyrp.exe File opened for modification \??\c:\Program Files\kenqwvs blyrp.exe File created \??\c:\Program Files\kenqwvs\fvnqy.dll blyrp.exe -
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.
Processes:
fvnqy.exe502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.execmd.exePING.EXEblyrp.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fvnqy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language blyrp.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 2300 cmd.exe 2840 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
fvnqy.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 fvnqy.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString fvnqy.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
fvnqy.exepid process 2648 fvnqy.exe 2648 fvnqy.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
fvnqy.exedescription pid process Token: SeDebugPrivilege 2648 fvnqy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exeblyrp.exepid process 2280 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe 2468 blyrp.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.execmd.exeblyrp.exedescription pid process target process PID 2280 wrote to memory of 2300 2280 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe cmd.exe PID 2280 wrote to memory of 2300 2280 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe cmd.exe PID 2280 wrote to memory of 2300 2280 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe cmd.exe PID 2280 wrote to memory of 2300 2280 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe cmd.exe PID 2300 wrote to memory of 2840 2300 cmd.exe PING.EXE PID 2300 wrote to memory of 2840 2300 cmd.exe PING.EXE PID 2300 wrote to memory of 2840 2300 cmd.exe PING.EXE PID 2300 wrote to memory of 2840 2300 cmd.exe PING.EXE PID 2300 wrote to memory of 2468 2300 cmd.exe blyrp.exe PID 2300 wrote to memory of 2468 2300 cmd.exe blyrp.exe PID 2300 wrote to memory of 2468 2300 cmd.exe blyrp.exe PID 2300 wrote to memory of 2468 2300 cmd.exe blyrp.exe PID 2468 wrote to memory of 2648 2468 blyrp.exe fvnqy.exe PID 2468 wrote to memory of 2648 2468 blyrp.exe fvnqy.exe PID 2468 wrote to memory of 2648 2468 blyrp.exe fvnqy.exe PID 2468 wrote to memory of 2648 2468 blyrp.exe fvnqy.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\blyrp.exe "C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2840 -
C:\Users\Admin\AppData\Local\Temp\blyrp.exeC:\Users\Admin\AppData\Local\Temp\\blyrp.exe "C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2468 -
\??\c:\Program Files\kenqwvs\fvnqy.exe"c:\Program Files\kenqwvs\fvnqy.exe" "c:\Program Files\kenqwvs\fvnqy.dll",PraseHTML C:\Users\Admin\AppData\Local\Temp\blyrp.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
149KB
MD5c18b359939cb256aae67caf16013807f
SHA1cd19573fd95d1ae14a823d5b7023b72f6d4d2b07
SHA25649998baf9eac51e3e2da30fc4161b7025bcd4ac22251ea67824424fbf13f0d18
SHA5128926204bb802c4b1fb954532953213dc96517f90172a46eda39edc802078222a3e5201b4a8cb2de7c3ad7c4ec135e00dfc04275f4394aa0003e50ba32426e04f
-
Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
-
Filesize
333KB
MD586e3636e7ccdea6c2c6b433b9b1e8e46
SHA176e83444688d9360c1db09db2e33022c2d7b4cde
SHA256bd8b876e3b8fa788e4b96d716877d0cf5de7adf22dee39a5beba3ac99e8157f7
SHA512cc1dccdd9103212448e46e4130f72ed9a340de02a255cbdc602b3ef014c3e97f5482fefafca9f34fdfd3d07fd786badf47284654c7b1a5d24996417c95e6cda1