Analysis
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max time kernel
60s -
max time network
54s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23-09-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe
Resource
win10v2004-20240802-en
General
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Target
be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe
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Size
1.4MB
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MD5
912148d711e9034409cee775b4a3ed4a
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SHA1
7fb4201413ca87c17cc896862a4e22e8aef0dda6
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SHA256
be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95
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SHA512
e82b4f0581864a1c05453e841453143c4a6d1636aca6b04b6fbd30a821667a8067973a778640f889c6000c311c2b10309a1bcfaf11730dc4cb105f728c198313
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SSDEEP
24576:yFU+Az4c5BPIPooHdgCLhjPVRa5YAEye7ffWNQdQhP6uQ4vyg2+sQMFaTS:JT4P3HdfLhx45YV7nqQdavQaMQS
Malware Config
Signatures
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Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe Dllhost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe Dllhost.exe -
Executes dropped EXE 2 IoCs
pid Process 1960 Server_protected.exe 2900 Dllhost.exe -
Loads dropped DLL 4 IoCs
pid Process 2252 be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe 2252 be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe 2252 be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe 1960 Server_protected.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." Dllhost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." Dllhost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
pid Process 1960 Server_protected.exe 1960 Server_protected.exe 2900 Dllhost.exe 2900 Dllhost.exe 2900 Dllhost.exe 2900 Dllhost.exe 2900 Dllhost.exe 2900 Dllhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Server_protected.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Dllhost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1960 Server_protected.exe 2900 Dllhost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1960 Server_protected.exe 2900 Dllhost.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2900 Dllhost.exe Token: 33 2900 Dllhost.exe Token: SeIncBasePriorityPrivilege 2900 Dllhost.exe Token: 33 2900 Dllhost.exe Token: SeIncBasePriorityPrivilege 2900 Dllhost.exe Token: 33 2900 Dllhost.exe Token: SeIncBasePriorityPrivilege 2900 Dllhost.exe Token: 33 2900 Dllhost.exe Token: SeIncBasePriorityPrivilege 2900 Dllhost.exe Token: 33 2900 Dllhost.exe Token: SeIncBasePriorityPrivilege 2900 Dllhost.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1960 Server_protected.exe 2900 Dllhost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2252 wrote to memory of 1960 2252 be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe 30 PID 2252 wrote to memory of 1960 2252 be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe 30 PID 2252 wrote to memory of 1960 2252 be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe 30 PID 2252 wrote to memory of 1960 2252 be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe 30 PID 1960 wrote to memory of 2900 1960 Server_protected.exe 31 PID 1960 wrote to memory of 2900 1960 Server_protected.exe 31 PID 1960 wrote to memory of 2900 1960 Server_protected.exe 31 PID 1960 wrote to memory of 2900 1960 Server_protected.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe"C:\Users\Admin\AppData\Local\Temp\be6230aa134cc4170d227a8bb79ee3ebb906b9a4281808369d07e224daefbd95.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Users\Admin\AppData\Local\Temp\Server_protected.exe"C:\Users\Admin\AppData\Local\Temp\Server_protected.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"3⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2900
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.1MB
MD58d67939d6dc3b76814097e987d758f17
SHA12fb6734a6f6e282d9b427c37d32121ba200cec8a
SHA2561e1c417f6dcb68c73ccb1bcb969060495bf43159315dd92ece950b06bf2bd808
SHA5126f960c7a001e6bafa93094c198e9e19b23aabc8133a50b95e9ddabc1577a98aac4871defe6a6544da1e4d79fe1f9f5c8e723d156cf535a29c9f57b102697f9e5