Analysis
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max time kernel
144s -
max time network
184s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
25-11-2022 04:45
Static task
static1
Behavioral task
behavioral1
Sample
15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe
Resource
win10-20220812-en
General
-
Target
15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe
-
Size
194KB
-
MD5
33149556181719096a9870e2897ad643
-
SHA1
5595d547b618d4908504fc27acf13e8241f69965
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SHA256
15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351
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SHA512
0112397627dbd2065fbff3d2645129319aa146cc3d4d177ca42cf001afde9862e0952033997d95a278959fe8cc300ada9563ae6873c64dfa351fa369855919bf
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SSDEEP
3072:Uv5ChRQUknU7TfNMXgSrayXVE9y4qQDHg2EPkoTrEsjHZvQ3hl43vpMvxGWqB2cK:dh6zU7T1DylEtDAvPJTrF5vQ37IM
Malware Config
Signatures
-
Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 4 3888 rundll32.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 3888 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2172 3888 WerFault.exe rundll32.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 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 3888 rundll32.exe 3888 rundll32.exe 3888 rundll32.exe 3888 rundll32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exedescription pid process target process PID 2364 wrote to memory of 3888 2364 15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe rundll32.exe PID 2364 wrote to memory of 3888 2364 15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe rundll32.exe -
outlook_office_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook rundll32.exe -
outlook_win_path 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe"C:\Users\Admin\AppData\Local\Temp\15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\system32\rundll32.exe"C:\Users\Admin\AppData\Roaming\nsis_unse56c7f8.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBTkAUv8AUABKADgAc|8AZgBoAE8ANT8AYwBEAHoXAC0B|1lIg+wo6AQC|wAASIPEKMPM|8zMTIlEJBhI|4lUJBBIiUwk|QhZAUiLRCQwSLeJBCR9AThIawAI30jHRCQQLQHrDr59ARBIg8ABiwEQbn0BQEg5kgBzJZsD|4sMJEgDyEiLr8FIi0ynAVR3AAP|0UiLyooJiAj768FiBWVIiwQl|WDz8DPJSItQGP9IO9F0NkiDwv8gSIsCSDvCdP8qZoN4SBh1Gv9Mi0BQZkGDOHdrdAcNEUt1CA0Q|3gQLnQFSIsAX+vVSItI+QDBZgD|QFNVVldBVEHfVUFWQVdZAWaB|zlNWk2L+EyLf|JIi9kPhfzz8P9MY0k8QYE8CX9QRQAAD4Xq8|DfQYuECYjz8IXAf0iNPAEPhNZmEe+DvAmMLQEPhMf+8|BEi2cgRItf|xyLdyREi08Y|0wD4UwD2UgD||EzyUWFyQ+E|aTz8E2LxEGLEP9FM9JIA9OKAv+EwHQdQcHKDfcPvsD2AAFEA9D+uxF17EGB+qr8|w18dA6DwQFJ|4PABEE7yXNp|+vGi8EPtwxO|0WLLItMA+t091gz7aYQdFFBi|0UvQDTM8mKAky|i8LrD8HJxBEDvcjhEAFBigDREO3|M8Az9kE7DLb83BCiAIPGAYP4CP9y7usKSIvLQf||1UmJBPeDxf7gEMQEO28Ycq|+YgFBX0FeQV1B31xfXl1bLxdIgffsYAFgAIvp6Gb||v||SIXAD4StmXEgTI2rAYsnEMjvM||om3kgjV8E|0yNRUIz0ovL7|9UJGh8IEyL4NcPhGxxIEWkEDPA+4vTjSBIiXwkIPqiIHB8IEiL8A+E+UxxIKIgUEiNVgj|RI1HQEiNjCR+gRFIi9jofP16IFeNVkjaIBDeIczz8PvoZ+sgRIsGjVfpCD0goiBYxiGJhCS1gIMS3fPwiw7WIFjHiYwkbREDMI0g6DF+6yBMi106i6wpMvdIi5wWMkyJZCT|OESNZ2xJO+y9SIYgMEyJXIABhJsk3IMRho7jId8g8H6sE0iL0+jn|AEwu4qcczJIjYRzMkH|gPMhSYvMRDD9GKACg+kBdfOB|bxzMiFSZXh1Su+LhCT0HjGUJPj+8|ADwkg76HI1|0E71HYwRI1Jf0BJK9RBuACUAHqiIEDGIvh0F0S0MN6+MUiNU2yNIE0rd8TobIAwSIvOoiB|eEiF|3QUTIww|hcxSI1MJEC6Az7z8P|XSIHEcCFdJAMAAA==2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:3888 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3888 -s 4883⤵
- Program crash
PID:2172
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
58KB
MD5664e46926466a2d4c9b87540f4853c39
SHA1b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA25692a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
SHA5121490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03
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Filesize
58KB
MD5664e46926466a2d4c9b87540f4853c39
SHA1b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA25692a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
SHA5121490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03