Analysis
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max time kernel
27s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20230703-en -
resource tags
arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system -
submitted
04/07/2023, 20:22
Static task
static1
Behavioral task
behavioral1
Sample
challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe
Resource
win10v2004-20230703-en
General
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Target
challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe
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Size
60KB
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MD5
803f73d62a2fceb2df8df45e0eefd7f5
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SHA1
ab1d54d77e28741058e24ff368bf12db82fb448a
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SHA256
d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b
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SHA512
97a2578dc2002479372792b999613600c341f3a0ac6f901e3809e443e5c4a5a8033e15034ad04967dcf30596427da63828232d73630963c9d7387cf60660b33e
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SSDEEP
768:TqUMu52FUlBVrwo2YCRjqKv/R7cAI6tIyiKeY6GVrBQje25xEI:TqRu52ilBNB+jqtByilGTQn5xb
Malware Config
Signatures
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Modifies registry class 21 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion dfsvc.exe Set value (str) \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\ComponentStore_RandomString = "BBYQTLAMOW579N28X26OTRP1" dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\Assemblies dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\Components dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\Categories dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\Visibility dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\StateManager dfsvc.exe Set value (str) \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\StateManager\StateStore_RandomString = "AG8RQGKQY6D2VT65GZ64A89B" dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\StateManager\Families dfsvc.exe Set value (str) \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\ComponentStore_RandomString = "YJCY21EYHW9198Q3J81W5PV6" dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\Installations dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\VisibilityRoots dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\StateManager\Applications dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0 dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide dfsvc.exe Key deleted \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0 dfsvc.exe Key created \REGISTRY\USER\S-1-5-21-264077997-199365141-898621884-1000_CLASSES\Software\Microsoft\Windows\CurrentVersion\Deployment\SideBySide\2.0\PackageMetadata dfsvc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 316 dfsvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2340 wrote to memory of 316 2340 challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe 28 PID 2340 wrote to memory of 316 2340 challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe 28 PID 2340 wrote to memory of 316 2340 challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe 28 PID 2340 wrote to memory of 316 2340 challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe"C:\Users\Admin\AppData\Local\Temp\challange_Benign_d33bf2d3e57e66002232f3cc91a899708e46cd51f855702c8410db357dfc123b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"2⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:316
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