General
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Target
recuro.exe
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Size
229KB
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MD5
f8a899564657f6f3fde05767a0d7b269
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SHA1
967ed3c0ae9460dcb6cf95d4169d6d8842fc3e3d
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SHA256
15bd0c120764f0397dd545a93301b94025e8fa8300ba3792abbfe4e25b1bb5f0
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SHA512
f0faf697fd42303edcf608deb7689a1e2a56458980ed758ed8c140db4db2eb4b91783d8e45c6f34a29f8aa61afbfcd7965e91616f454f0c0de1c81e68e1ba0c6
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD4JI6M1DA0rDSjVg8ZuchzlK8e1mIi:foZtL+EP8G6M1DA0rDSjVg8Ztzai
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1170494488590950440/sGv6NJkEUrF8j5qInw6kdEKK04UbdS4Z8971srJmz-2oZsxLUhrZr863eMExD6I1bC09
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 recuro.exe
Files
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recuro.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