Behavioral task
behavioral1
Sample
Build.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
Build.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral3
Sample
Build.exe
Resource
win11-20250313-en
General
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Target
Build.exe
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Size
8.0MB
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MD5
5aeb840fa69ff4dcd8ba0816a2da1434
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SHA1
e710536efe591bb5cf24e3b4cd270775feffddb6
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SHA256
1f33f50f29b612c23fe2890fe9567c42e2512ae3c7818f3c60879665019bb4df
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SHA512
44c277c1fdd72b2e246bb511f4686df823636c41acaf8d2825c4399a216f48b6d037b9c197db6134464a5c54156648e8bf96dff72bda1426f58578de740a9f72
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SSDEEP
49152:zf+7HoOWA0PMlJmN8UkruiWIKYqAFs6eYfZVmBumJzMmbmMqoBLPg4NOW:zG7HlQ6Jg8RrucFs6e6ZV5mJQmbmNW
Malware Config
Signatures
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StormKitty payload 1 IoCs
resource yara_rule sample family_stormkitty -
Stormkitty family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Build.exe
Files
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Build.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 8.0MB - Virtual size: 8.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ