Analysis
-
max time kernel
142s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
09-11-2024 19:02
Static task
static1
Behavioral task
behavioral1
Sample
189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe
Resource
win10v2004-20241007-en
General
-
Target
189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe
-
Size
158KB
-
MD5
75dc72ddff388d4c2e6ba9695fa50448
-
SHA1
dbf6f71a79c56fc3b7bdd9bfe3e3681d30fdda0e
-
SHA256
189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4
-
SHA512
bf73916f69c6d76037d2a5b6aefc051a727f6260ba17fd613eb5c868d389b59c84ee2a6e17434c362bc194361bbcfc5b3ec17285c8a357be2b67cb67eeaf3c54
-
SSDEEP
3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/
Malware Config
Signatures
-
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \??\c:\Program Files\npcag\ryfljqrek.dll acprotect -
Deletes itself 1 IoCs
Processes:
nhfrh.exepid process 2744 nhfrh.exe -
Executes dropped EXE 2 IoCs
Processes:
nhfrh.exeryfljqrek.exepid process 2744 nhfrh.exe 2948 ryfljqrek.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exenhfrh.exeryfljqrek.exepid process 1484 cmd.exe 1484 cmd.exe 2744 nhfrh.exe 2948 ryfljqrek.exe 2948 ryfljqrek.exe 2948 ryfljqrek.exe 2948 ryfljqrek.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:
ryfljqrek.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\npcag\\ryfljqrek.exe \"c:\\Program Files\\npcag\\ryfljqrek.dll\",SetHandle" ryfljqrek.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
ryfljqrek.exedescription ioc process File opened (read-only) \??\b: ryfljqrek.exe File opened (read-only) \??\g: ryfljqrek.exe File opened (read-only) \??\l: ryfljqrek.exe File opened (read-only) \??\j: ryfljqrek.exe File opened (read-only) \??\m: ryfljqrek.exe File opened (read-only) \??\p: ryfljqrek.exe File opened (read-only) \??\v: ryfljqrek.exe File opened (read-only) \??\r: ryfljqrek.exe File opened (read-only) \??\t: ryfljqrek.exe File opened (read-only) \??\x: ryfljqrek.exe File opened (read-only) \??\a: ryfljqrek.exe File opened (read-only) \??\h: ryfljqrek.exe File opened (read-only) \??\i: ryfljqrek.exe File opened (read-only) \??\k: ryfljqrek.exe File opened (read-only) \??\n: ryfljqrek.exe File opened (read-only) \??\w: ryfljqrek.exe File opened (read-only) \??\y: ryfljqrek.exe File opened (read-only) \??\z: ryfljqrek.exe File opened (read-only) \??\e: ryfljqrek.exe File opened (read-only) \??\o: ryfljqrek.exe File opened (read-only) \??\q: ryfljqrek.exe File opened (read-only) \??\s: ryfljqrek.exe File opened (read-only) \??\u: ryfljqrek.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:
ryfljqrek.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 ryfljqrek.exe -
Drops file in Program Files directory 4 IoCs
Processes:
nhfrh.exedescription ioc process File created \??\c:\Program Files\npcag\ryfljqrek.exe nhfrh.exe File opened for modification \??\c:\Program Files\npcag\ryfljqrek.exe nhfrh.exe File opened for modification \??\c:\Program Files\npcag nhfrh.exe File created \??\c:\Program Files\npcag\ryfljqrek.dll nhfrh.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:
ryfljqrek.exe189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.execmd.exePING.EXEnhfrh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ryfljqrek.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.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 nhfrh.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 1484 cmd.exe 2436 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
ryfljqrek.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ryfljqrek.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ryfljqrek.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
ryfljqrek.exepid process 2948 ryfljqrek.exe 2948 ryfljqrek.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ryfljqrek.exedescription pid process Token: SeDebugPrivilege 2948 ryfljqrek.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exenhfrh.exepid process 2300 189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe 2744 nhfrh.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.execmd.exenhfrh.exedescription pid process target process PID 2300 wrote to memory of 1484 2300 189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe cmd.exe PID 2300 wrote to memory of 1484 2300 189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe cmd.exe PID 2300 wrote to memory of 1484 2300 189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe cmd.exe PID 2300 wrote to memory of 1484 2300 189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe cmd.exe PID 1484 wrote to memory of 2436 1484 cmd.exe PING.EXE PID 1484 wrote to memory of 2436 1484 cmd.exe PING.EXE PID 1484 wrote to memory of 2436 1484 cmd.exe PING.EXE PID 1484 wrote to memory of 2436 1484 cmd.exe PING.EXE PID 1484 wrote to memory of 2744 1484 cmd.exe nhfrh.exe PID 1484 wrote to memory of 2744 1484 cmd.exe nhfrh.exe PID 1484 wrote to memory of 2744 1484 cmd.exe nhfrh.exe PID 1484 wrote to memory of 2744 1484 cmd.exe nhfrh.exe PID 2744 wrote to memory of 2948 2744 nhfrh.exe ryfljqrek.exe PID 2744 wrote to memory of 2948 2744 nhfrh.exe ryfljqrek.exe PID 2744 wrote to memory of 2948 2744 nhfrh.exe ryfljqrek.exe PID 2744 wrote to memory of 2948 2744 nhfrh.exe ryfljqrek.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe"C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nhfrh.exe "C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1484 -
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:2436 -
C:\Users\Admin\AppData\Local\Temp\nhfrh.exeC:\Users\Admin\AppData\Local\Temp\\nhfrh.exe "C:\Users\Admin\AppData\Local\Temp\189ddfb3acd27b09cc86ef8c06d984c5a62882dd5b7dcf903bb33c37c6726be4.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:2744 -
\??\c:\Program Files\npcag\ryfljqrek.exe"c:\Program Files\npcag\ryfljqrek.exe" "c:\Program Files\npcag\ryfljqrek.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\nhfrh.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:2948
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
128KB
MD56b0be0174aac9ba44ee98459606fb211
SHA127eb7e99525c1a88b42e3101636299acb2703d97
SHA256f0494903c9cdbe59d3cfef5660fc66442737f725c4b123d22413e70ee791d891
SHA5120e75e5756f2e08a3ac7a8c2cacd88c71679a5f4e917ef3b32b4a271db703169d43b74147361b3538c3f692bba82d604cc86d88305dadd251144290a3addb75eb
-
Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
-
Filesize
159KB
MD526a1772488b5bc23af552a53bd896191
SHA13694d174ceed0ce5eb160c9fab02c11f194b9dbc
SHA25648369391c0e9eb094334361f6ffb34c5bacb71215fbb9b90340e2d5c847cbffd
SHA512604cfe66d286874022ee0c09dad25aaad98082a6eb07b599781f431f024cd3514435ade017360dd73e88ccd043cd14bed3353d823cf2bf2b45dab5b6dbb2e637