Behavioral task
behavioral1
Sample
octoware in.exe
Resource
win7-20240903-en
General
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Target
octoware in.exe
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Size
230KB
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MD5
f5aff3ee2085e59f5549090cb00035e9
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SHA1
1d07fb7c1b310450774fb2b3c5b6506421c4b360
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SHA256
421b6a23785737dedb2b5f638e84445b2a9e9fa4f52fb1bcfdbfb3b254828e3a
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SHA512
05a4072f351eeae93b649c2bb1209aa295cc21a4664a3aed4cb1473351fd0777807f09940f781ccb02cf23060264102b9d893de69822246cb7b34bd7a47bcbc4
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SSDEEP
6144:9loZM0rIkd8g+EtXHkv/iD49YaHdmOhjU9va6vDbEtjXk8e1mTLi:foZDL+EP89YaHdmOhjU9va6vvUjKF
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1302426140438433792/1Ahi8IHszuHjuGXKtTu5l1w0ahCQNZxF92hHVPQOPp950ymIU-CBiVkqCx7S5cj9hQGH
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 octoware in.exe
Files
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octoware in.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: 228KB - Virtual size: 227KB
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