General
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Target
y.exe
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Size
229KB
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MD5
e55c738dfd6a954e2639c1a6cf3cf33d
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SHA1
ec44eb7e74102001e534268513bbd84f37ac689d
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SHA256
65fe3aca61ba85663615daadb56fb3bc8e49db4348ae0df15309d22e7d406c68
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SHA512
7fd358cd8ac0f99906a0ddd1b7e27c0eebd7e783820036de6e447d9857992d3ed8a82c919a994d9ca159387dcf2f87e7c0c1ed3e6fa072909e85daa7cc2aa5ea
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD4NvdfL+8D/0BVA+Pv+h9UC6ly8e1m73i:foZtL+EP8tdfL+8D/0BVA+Pv+hmKb
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1265414227544510476/z7ZmpORKWi6uw-WGiKu-gg41cbjzQzZg2Q_Hhhs4fA7ds2906MCIreFKp467iVT9ZsUz
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 y.exe
Files
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y.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