Analysis
-
max time kernel
142s -
max time network
145s -
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 01:33
Static task
static1
Behavioral task
behavioral1
Sample
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
Resource
win10v2004-20241007-en
General
-
Target
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
-
Size
157KB
-
MD5
ef6b151670589c2d5251cf8eb37f2ab8
-
SHA1
0af04d5b1d2e2f844065c7285f1ef94b18f1a1b4
-
SHA256
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28
-
SHA512
17a6a49d5b5e4aec38a86fa830c46a1ead78a484469471c19cdc4966aa5c0fe8bf124931ec38ec2567bc159634802589358a2fa06a93ff19ac05ca99373c443e
-
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\oswtv\tagkn.dll acprotect -
Deletes itself 1 IoCs
Processes:
mijlm.exepid process 4220 mijlm.exe -
Executes dropped EXE 2 IoCs
Processes:
mijlm.exetag.exepid process 4220 mijlm.exe 2428 tag.exe -
Loads dropped DLL 1 IoCs
Processes:
tag.exepid process 2428 tag.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:
tag.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\oswtv\\tag.exe \"c:\\Program Files\\oswtv\\tagkn.dll\",SetHandle" tag.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
tag.exedescription ioc process File opened (read-only) \??\u: tag.exe File opened (read-only) \??\v: tag.exe File opened (read-only) \??\z: tag.exe File opened (read-only) \??\h: tag.exe File opened (read-only) \??\l: tag.exe File opened (read-only) \??\p: tag.exe File opened (read-only) \??\s: tag.exe File opened (read-only) \??\e: tag.exe File opened (read-only) \??\k: tag.exe File opened (read-only) \??\n: tag.exe File opened (read-only) \??\q: tag.exe File opened (read-only) \??\t: tag.exe File opened (read-only) \??\w: tag.exe File opened (read-only) \??\x: tag.exe File opened (read-only) \??\y: tag.exe File opened (read-only) \??\a: tag.exe File opened (read-only) \??\j: tag.exe File opened (read-only) \??\o: tag.exe File opened (read-only) \??\r: tag.exe File opened (read-only) \??\b: tag.exe File opened (read-only) \??\g: tag.exe File opened (read-only) \??\i: tag.exe File opened (read-only) \??\m: tag.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:
tag.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 tag.exe -
Drops file in Program Files directory 4 IoCs
Processes:
mijlm.exedescription ioc process File opened for modification \??\c:\Program Files\oswtv\tag.exe mijlm.exe File opened for modification \??\c:\Program Files\oswtv mijlm.exe File created \??\c:\Program Files\oswtv\tagkn.dll mijlm.exe File created \??\c:\Program Files\oswtv\tag.exe mijlm.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:
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.execmd.exePING.EXEmijlm.exetag.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.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 mijlm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tag.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 1544 cmd.exe 2212 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
tag.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 tag.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString tag.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
tag.exepid process 2428 tag.exe 2428 tag.exe 2428 tag.exe 2428 tag.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
tag.exedescription pid process Token: SeDebugPrivilege 2428 tag.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exemijlm.exepid process 2176 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe 4220 mijlm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.execmd.exemijlm.exedescription pid process target process PID 2176 wrote to memory of 1544 2176 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe cmd.exe PID 2176 wrote to memory of 1544 2176 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe cmd.exe PID 2176 wrote to memory of 1544 2176 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe cmd.exe PID 1544 wrote to memory of 2212 1544 cmd.exe PING.EXE PID 1544 wrote to memory of 2212 1544 cmd.exe PING.EXE PID 1544 wrote to memory of 2212 1544 cmd.exe PING.EXE PID 1544 wrote to memory of 4220 1544 cmd.exe mijlm.exe PID 1544 wrote to memory of 4220 1544 cmd.exe mijlm.exe PID 1544 wrote to memory of 4220 1544 cmd.exe mijlm.exe PID 4220 wrote to memory of 2428 4220 mijlm.exe tag.exe PID 4220 wrote to memory of 2428 4220 mijlm.exe tag.exe PID 4220 wrote to memory of 2428 4220 mijlm.exe tag.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mijlm.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1544 -
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:2212 -
C:\Users\Admin\AppData\Local\Temp\mijlm.exeC:\Users\Admin\AppData\Local\Temp\\mijlm.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.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:4220 -
\??\c:\Program Files\oswtv\tag.exe"c:\Program Files\oswtv\tag.exe" "c:\Program Files\oswtv\tagkn.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\mijlm.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:2428
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
MD5e7c5a07d123c6025cc261bcea5b1b849
SHA1045042f48f95683ea0f95845c9c408d679c2ed4f
SHA256317cd4ccaea13487bbe8b87f31648b651a67500256aec3b9f2dfc91bfa365773
SHA5129728c065df435a1466a9d7b3b7d56c3ed92d5870aa70919596aa9e3f5b226026a9b47500872d29df11b74344508b69459b12b5824ed9ffe2cb7e4bc356973719
-
Filesize
128KB
MD58332a5d6f9dbb61e6d5479f9fdf2e6f3
SHA1ec6147be44935ec29c3f8944f13515a93dfef3ba
SHA25692ad748e4127604a12a853ad94075527bd48668ae79d77d5b27ddb151c93ad04
SHA51246c373eaccafb954ab5ad618fc972e9350db36379577bbc6f0904412120e01d426dff243d01ee8cbf11591fb03807c07ac801cac7aaa60ecdd69fd8234661850