Analysis
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max time kernel
142s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 01:07
Static task
static1
Behavioral task
behavioral1
Sample
a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe
Resource
win10v2004-20241007-en
General
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Target
a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe
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Size
115KB
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MD5
d4b4525c79418ea457b15763458fc0ff
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SHA1
8f44a5abf652b586282faf2986453713525b1d3b
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SHA256
a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f
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SHA512
e5ec8183b0b47483891c6463bb5ddd766eab813cc06ff555f3212175150deb50867aa6587447b756deb59424d966ab0ee9b1035b5f4305dfa7511fb0d85ca0f7
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SSDEEP
1536:TRiAXaKD5grAhdVA2VukXKzMf3liaL+SWzR+fy1ZZosMiZ7RtEs:liAXaKDLVaroj6SWzosZGyRtEs
Malware Config
Signatures
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Blocklisted process makes network request 10 IoCs
Processes:
rundll32.exeflow pid process 3 2996 rundll32.exe 7 2996 rundll32.exe 8 2996 rundll32.exe 9 2996 rundll32.exe 10 2996 rundll32.exe 11 2996 rundll32.exe 14 2996 rundll32.exe 15 2996 rundll32.exe 17 2996 rundll32.exe 18 2996 rundll32.exe -
Deletes itself 1 IoCs
Processes:
ntksxkn.exepid process 2960 ntksxkn.exe -
Executes dropped EXE 1 IoCs
Processes:
ntksxkn.exepid process 2960 ntksxkn.exe -
Loads dropped DLL 4 IoCs
Processes:
rundll32.exepid process 2996 rundll32.exe 2996 rundll32.exe 2996 rundll32.exe 2996 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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\hrooi\\mkihh.dll\",GetWindowClass" 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) \??\g: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\t: 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 -
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:
a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.execmd.exePING.EXEntksxkn.exerundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.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 ntksxkn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.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 2056 cmd.exe 2820 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 2 IoCs
Processes:
rundll32.exepid process 2996 rundll32.exe 2996 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 2996 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exentksxkn.exepid process 3012 a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe 2960 ntksxkn.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.execmd.exentksxkn.exedescription pid process target process PID 3012 wrote to memory of 2056 3012 a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe cmd.exe PID 3012 wrote to memory of 2056 3012 a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe cmd.exe PID 3012 wrote to memory of 2056 3012 a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe cmd.exe PID 3012 wrote to memory of 2056 3012 a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe cmd.exe PID 2056 wrote to memory of 2820 2056 cmd.exe PING.EXE PID 2056 wrote to memory of 2820 2056 cmd.exe PING.EXE PID 2056 wrote to memory of 2820 2056 cmd.exe PING.EXE PID 2056 wrote to memory of 2820 2056 cmd.exe PING.EXE PID 2056 wrote to memory of 2960 2056 cmd.exe ntksxkn.exe PID 2056 wrote to memory of 2960 2056 cmd.exe ntksxkn.exe PID 2056 wrote to memory of 2960 2056 cmd.exe ntksxkn.exe PID 2056 wrote to memory of 2960 2056 cmd.exe ntksxkn.exe PID 2960 wrote to memory of 2996 2960 ntksxkn.exe rundll32.exe PID 2960 wrote to memory of 2996 2960 ntksxkn.exe rundll32.exe PID 2960 wrote to memory of 2996 2960 ntksxkn.exe rundll32.exe PID 2960 wrote to memory of 2996 2960 ntksxkn.exe rundll32.exe PID 2960 wrote to memory of 2996 2960 ntksxkn.exe rundll32.exe PID 2960 wrote to memory of 2996 2960 ntksxkn.exe rundll32.exe PID 2960 wrote to memory of 2996 2960 ntksxkn.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe"C:\Users\Admin\AppData\Local\Temp\a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\ntksxkn.exe "C:\Users\Admin\AppData\Local\Temp\a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2056 -
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:2820 -
\??\c:\ntksxkn.exec:\ntksxkn.exe "C:\Users\Admin\AppData\Local\Temp\a016036446bb528c7b2cb64bc7bd1ab9bb7a55e95da544177724f1ce451a678f.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2960 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\hrooi\mkihh.dll",GetWindowClass c:\ntksxkn.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)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
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
63KB
MD506c39ca503305efbf7274f6bf9394f28
SHA1bec4daadab49f1f58a951d9cc1b2d7c1e2ae8450
SHA25619f33ba32f20dae1ea6a6b87824dc8e3e74527b34f9cd01a6e4f67e3e79dd867
SHA512e6c8b19892b5ce5108909824ad37b0fe0eed2459939f0249133bf3e3c1470308d6d51aa3fbf42aabcbf37bb2412c8a27bff445e23dc0495910ec5f445055d931
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Filesize
116KB
MD56ba3d2b0e8f147dc0fe7fb7c2e70bf94
SHA1a61c21792bba3007b9f1e48b7aea05bd5547e247
SHA2563a80d206a13232bdb28ed355a99585b0b6734a82a912c10d64ab229d62e73e91
SHA5123b531cf8d5a79a099af4fd85a1689df8ac3ee93b5e990744730c5c6b103233222050c03c73ab8d65134272412292caac0d6590bb386130f2c0d54a95eb3a5480