Behavioral task
behavioral1
Sample
f867a240eab1d2993a2a0917e1ba63d9156e66ad637d0a500afc0347c5172075.exe
Resource
win7-20240708-en
General
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Target
f867a240eab1d2993a2a0917e1ba63d9156e66ad637d0a500afc0347c5172075
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Size
232KB
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MD5
d534b7ce43629032d053b5c88122e761
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SHA1
161b697296b3225d2e0116729e3f493660a48196
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SHA256
f867a240eab1d2993a2a0917e1ba63d9156e66ad637d0a500afc0347c5172075
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SHA512
ffbbe9f7f4890c4f9b17142a81a5b724a15373a6fab89bf46a2e28068c89b96cec0cebaf4248ff10b21c826f003c6090aeea7fc80f42137961f3efb7cd708f15
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SSDEEP
6144:xloZM+rIkd8g+EtXHkv/iD4OnhUsyVtGdTOMdRYQMWb8e1mLeqi:DoZtL+EP8OnhUsyVtGdTOMdRYQHdP
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1255170369241874474/nLCkKrU2TZdzc2UskGyF2__QGRfs9GisPj5UhmiVTh71Fb7bgGEPnaS1YMyVE7N38Xic
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 f867a240eab1d2993a2a0917e1ba63d9156e66ad637d0a500afc0347c5172075
Files
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f867a240eab1d2993a2a0917e1ba63d9156e66ad637d0a500afc0347c5172075.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: 229KB - Virtual size: 229KB
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