Behavioral task
behavioral1
Sample
Bloxtrap.exe
Resource
win7-20240903-en
General
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Target
Bloxtrap.exe
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Size
231KB
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MD5
30e78c99e6dadf3e214426fad0aa70ad
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SHA1
e7c69f6df99f06632a451d633e615f274b5eaed6
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SHA256
e347a40fb7e3ef7705992bce042a420c6fd25913aa931e6fd78ad91b6024e0ee
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SHA512
7c93c81962a0930821bc972578f1cdd5b0309005d5ef63a52ea28cfd6dab8dac5364b57c5cb9360b3166a724c4c4bbf30d48f78f09b435c7c8b9c8676e8bb859
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SSDEEP
6144:8loZM+rIkd8g+EtXHkv/iD4o1me/1+mpusl3ySXLqb8e1mFOi:aoZtL+EP8o1me/1+mpusl3ySXK6
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1292185162154639401/i6WSPWI88KQWZx04tptSZOx9m8JrKRxH0gkCtzrGCstdSnAqaK9x7n01XecqBxUyKk8m
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Bloxtrap.exe
Files
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Bloxtrap.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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 224KB - Virtual size: 224KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 6KB - Virtual size: 5KB
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