Analysis
-
max time kernel
141s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-11-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe
Resource
win10v2004-20241007-en
General
-
Target
c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe
-
Size
158KB
-
MD5
2942111edb70443e706bbbda28c915d5
-
SHA1
b526a8f0da11f15625d63b38361eb4eb02fd56a2
-
SHA256
c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7
-
SHA512
b2e209c0825410dfff07d952c310b0052ff37ddf52c8f0082ff0f1de31ca9a92bcd3830dd34c12b48a0422808a4a9afbfaaf96e681afb6e31a3a02ab6f4ec91f
-
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\osjjr\sysyoeytc.dll acprotect -
Deletes itself 1 IoCs
Processes:
fnzqyukpt.exepid process 2728 fnzqyukpt.exe -
Executes dropped EXE 2 IoCs
Processes:
fnzqyukpt.exesysyoeytc.exepid process 2728 fnzqyukpt.exe 3548 sysyoeytc.exe -
Loads dropped DLL 1 IoCs
Processes:
sysyoeytc.exepid process 3548 sysyoeytc.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:
sysyoeytc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\osjjr\\sysyoeytc.exe \"c:\\Program Files\\osjjr\\sysyoeytc.dll\",SetHandle" sysyoeytc.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
sysyoeytc.exedescription ioc process File opened (read-only) \??\r: sysyoeytc.exe File opened (read-only) \??\v: sysyoeytc.exe File opened (read-only) \??\y: sysyoeytc.exe File opened (read-only) \??\n: sysyoeytc.exe File opened (read-only) \??\e: sysyoeytc.exe File opened (read-only) \??\i: sysyoeytc.exe File opened (read-only) \??\k: sysyoeytc.exe File opened (read-only) \??\o: sysyoeytc.exe File opened (read-only) \??\q: sysyoeytc.exe File opened (read-only) \??\s: sysyoeytc.exe File opened (read-only) \??\t: sysyoeytc.exe File opened (read-only) \??\b: sysyoeytc.exe File opened (read-only) \??\u: sysyoeytc.exe File opened (read-only) \??\g: sysyoeytc.exe File opened (read-only) \??\j: sysyoeytc.exe File opened (read-only) \??\m: sysyoeytc.exe File opened (read-only) \??\x: sysyoeytc.exe File opened (read-only) \??\a: sysyoeytc.exe File opened (read-only) \??\l: sysyoeytc.exe File opened (read-only) \??\p: sysyoeytc.exe File opened (read-only) \??\w: sysyoeytc.exe File opened (read-only) \??\z: sysyoeytc.exe File opened (read-only) \??\h: sysyoeytc.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:
sysyoeytc.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 sysyoeytc.exe -
Drops file in Program Files directory 4 IoCs
Processes:
fnzqyukpt.exedescription ioc process File created \??\c:\Program Files\osjjr\sysyoeytc.exe fnzqyukpt.exe File opened for modification \??\c:\Program Files\osjjr\sysyoeytc.exe fnzqyukpt.exe File opened for modification \??\c:\Program Files\osjjr fnzqyukpt.exe File created \??\c:\Program Files\osjjr\sysyoeytc.dll fnzqyukpt.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:
PING.EXEfnzqyukpt.exesysyoeytc.exec6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fnzqyukpt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sysyoeytc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 4756 cmd.exe 1976 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
sysyoeytc.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 sysyoeytc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString sysyoeytc.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
sysyoeytc.exepid process 3548 sysyoeytc.exe 3548 sysyoeytc.exe 3548 sysyoeytc.exe 3548 sysyoeytc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
sysyoeytc.exedescription pid process Token: SeDebugPrivilege 3548 sysyoeytc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exefnzqyukpt.exepid process 2612 c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe 2728 fnzqyukpt.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.execmd.exefnzqyukpt.exedescription pid process target process PID 2612 wrote to memory of 4756 2612 c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe cmd.exe PID 2612 wrote to memory of 4756 2612 c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe cmd.exe PID 2612 wrote to memory of 4756 2612 c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe cmd.exe PID 4756 wrote to memory of 1976 4756 cmd.exe PING.EXE PID 4756 wrote to memory of 1976 4756 cmd.exe PING.EXE PID 4756 wrote to memory of 1976 4756 cmd.exe PING.EXE PID 4756 wrote to memory of 2728 4756 cmd.exe fnzqyukpt.exe PID 4756 wrote to memory of 2728 4756 cmd.exe fnzqyukpt.exe PID 4756 wrote to memory of 2728 4756 cmd.exe fnzqyukpt.exe PID 2728 wrote to memory of 3548 2728 fnzqyukpt.exe sysyoeytc.exe PID 2728 wrote to memory of 3548 2728 fnzqyukpt.exe sysyoeytc.exe PID 2728 wrote to memory of 3548 2728 fnzqyukpt.exe sysyoeytc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fnzqyukpt.exe "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4756 -
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:1976 -
C:\Users\Admin\AppData\Local\Temp\fnzqyukpt.exeC:\Users\Admin\AppData\Local\Temp\\fnzqyukpt.exe "C:\Users\Admin\AppData\Local\Temp\c6adae7e97b413bc10b2ca22c411d913ce9c5d27b4fde0a3bd509feae546a7d7.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728 -
\??\c:\Program Files\osjjr\sysyoeytc.exe"c:\Program Files\osjjr\sysyoeytc.exe" "c:\Program Files\osjjr\sysyoeytc.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\fnzqyukpt.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:3548
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
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
-
Filesize
158KB
MD577864874a9040e213c1e961ab311e9ae
SHA1be646f5de0013c6c0025f69f08935c1b482e7677
SHA25685a5f6319a9940c227644ed05dc1f8e49d30df6adff5dd18b22e8d1c1c70d562
SHA51236fabdee39552571779b93593fd7114dcf1c6df3c5f1a55752e2ddc926f57256d219a142e3281eb49be3f79e14db1170ef9478357042d0c28f8b695411b55470
-
Filesize
128KB
MD5ffa4c2adf4f65b9f06ae4c905d966cfb
SHA1f0d5439b37d2278bd350ab903ad3814b9dd0f729
SHA25663aed663e6f513e5a1a80b517b796fcfdc1098d89e0e377f01c0891f8870f0a9
SHA5123081e90046f4197032348eecd606081ffd645267032a81a6f6873b52eb73daa860d9f5c66e10d612eef7ff9687dd6a4448cb00a4ce357dcc96359f0c82571c53