General
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Target
pulse.exe
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Size
229KB
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MD5
5edea2e562816e345ef04ef26875c7b0
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SHA1
6e3894d1eb6236c238e94efe1cd0f418982a4bd0
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SHA256
0e4f60dac056f2c2b989e90990ee53c6c22d1dad6f4b5c033ef0213f0e386bcf
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SHA512
366fff12180f37f0e6528ca7c295e615c789c14de6266dd401108133ff20f1db047e590fe1f8a5ed6548e78ce6dbecfc4e84755d5bc5142f55fa16a5981c707d
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SSDEEP
6144:lloZM+rIkd8g+EtXHkv/iD4xIyh4+ZRSJ3q459ckNb8e1mxi:noZtL+EP8xIyh4+ZRSJ3q459cUD
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1231093581062602752/vcrat7EkKCV38BURmsdzcMmSm7QaSMObalNgUXiYQsrZMhOh6NlibqaXOS4ZDY3Bx3Fl
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 pulse.exe
Files
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pulse.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: 227KB - Virtual size: 226KB
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