General
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Target
Tuto Visa.exe
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Size
229KB
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MD5
88686a83b6a398a27baef94d5f23ccd2
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SHA1
76a8e4e4c12810ef008a191604ef4f40c226c25e
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SHA256
8eedcd606d0718777f9182c471c391f861c34a211efeda60ee8c78ee81f8beb2
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SHA512
8d3396943aa9cdab85ea226db72eed3033b1ac1155515650fd3800fd749096f619160759971bae4183d958d4b6c92912e2d18930e838df68f5b7e2299dded6cf
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SSDEEP
6144:tloZMbrIkd8g+EtXHkv/iD4pMhv7T5KyN74ZL22jgLqb8e1mMaMi:voZEL+EP8piv7T5KyN74ZL22jNe
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1253430622081257597/5q7_V1AsoVvh0BY2CJA8ohf9qHz1Qf4lfLvXmLBBdfeaXa7Ln_Y2IpxkCxNqc69n5PBZ
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 Tuto Visa.exe
Files
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Tuto Visa.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