Analysis
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max time kernel
149s -
max time network
146s -
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
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe
Resource
win10v2004-20241007-en
General
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Target
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe
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Size
409KB
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MD5
c0970389d32b8d142f42c2dab1a70e4b
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SHA1
2f68ffb7b7e68f93b4a8d27e7bb32d6a708287c4
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SHA256
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b
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SHA512
754afdfd5ff0dd40442d08989721f85a027214f560b5efb41e7f9adbcc8e32fa676e994d06966f5f2e908b940bbb3f8e50afb9faf7ee58ab4ad4c6028a60fe39
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4m:gtRfJcNYFNm8UhlZGsem
Malware Config
Signatures
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Blocklisted process makes network request 8 IoCs
Processes:
rundll32.exeflow pid process 12 860 rundll32.exe 18 860 rundll32.exe 19 860 rundll32.exe 20 860 rundll32.exe 34 860 rundll32.exe 35 860 rundll32.exe 39 860 rundll32.exe 46 860 rundll32.exe -
Deletes itself 1 IoCs
Processes:
bqinuckn.exepid process 2828 bqinuckn.exe -
Executes dropped EXE 1 IoCs
Processes:
bqinuckn.exepid process 2828 bqinuckn.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 860 rundll32.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\urrbg\\tblodfvcj.dll\",Verify" rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\n: rundll32.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:
rundll32.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 860 rundll32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
bqinuckn.exedescription ioc process File opened for modification \??\c:\Program Files\urrbg bqinuckn.exe File created \??\c:\Program Files\urrbg\tblodfvcj.dll bqinuckn.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.EXEbqinuckn.exerundll32.exeda5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bqinuckn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.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 4908 cmd.exe 2596 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe 860 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 860 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exebqinuckn.exepid process 1876 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe 2828 bqinuckn.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.execmd.exebqinuckn.exedescription pid process target process PID 1876 wrote to memory of 4908 1876 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe cmd.exe PID 1876 wrote to memory of 4908 1876 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe cmd.exe PID 1876 wrote to memory of 4908 1876 da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe cmd.exe PID 4908 wrote to memory of 2596 4908 cmd.exe PING.EXE PID 4908 wrote to memory of 2596 4908 cmd.exe PING.EXE PID 4908 wrote to memory of 2596 4908 cmd.exe PING.EXE PID 4908 wrote to memory of 2828 4908 cmd.exe bqinuckn.exe PID 4908 wrote to memory of 2828 4908 cmd.exe bqinuckn.exe PID 4908 wrote to memory of 2828 4908 cmd.exe bqinuckn.exe PID 2828 wrote to memory of 860 2828 bqinuckn.exe rundll32.exe PID 2828 wrote to memory of 860 2828 bqinuckn.exe rundll32.exe PID 2828 wrote to memory of 860 2828 bqinuckn.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe"C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\bqinuckn.exe "C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4908 -
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:2596 -
C:\Users\Admin\AppData\Local\Temp\bqinuckn.exeC:\Users\Admin\AppData\Local\Temp\\bqinuckn.exe "C:\Users\Admin\AppData\Local\Temp\da5245e6b1101afa56e4fbb87ca74065f0f991a85201d2074e253d29988a873b.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:2828 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\urrbg\tblodfvcj.dll",Verify C:\Users\Admin\AppData\Local\Temp\bqinuckn.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:860
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
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Downloads
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Filesize
410KB
MD5b0d50f7cbe28e903ca19ffed003b13e0
SHA13f389ce5b806c75787f5b68cee044948b8faf44f
SHA256dbb7513572442e0a47ecbcf671c4eeac83bc6e871d4c64c9242c2922e582b053
SHA5124acf203bed6eeb88b554bdd89bdd05ff19e6a902260ff0576c832c052a6329dced51645d7ef94ec0490fcc8a5f240962e6cb91142c48ae2b78caa9095eeea20e
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Filesize
228KB
MD55474f63f5d61a61137812c12f081bd0c
SHA1c9469ec64b7e71bb238454abadc7d81a722ac989
SHA256eeb24639b5d558f23518c465ec88073d442c97f7ac4f83b9931e692fa5f02fe2
SHA5128ea2e1c9ee482142ff258a091daaa516276490d9e7f4748903372f5977914b92c4e977d23f48618fc3f499cd38ba0ecae609959fb18acfb794872465ac2f4242