Behavioral task
behavioral1
Sample
xdark.exe
Resource
win7-20240708-en
General
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Target
xdark.exe
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Size
229KB
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MD5
4d3247cc8c41f20789fee08c48359cde
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SHA1
409a5ccfec9dcc173d79c2f760a389439d024afc
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SHA256
8ae1dd94ce9613b67ea8eb9e4ea1868824b8714bb1b184debd03048f668823dd
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SHA512
65f6cf419a656840825923944cf737accc9f5591266694c94c1ac9477fef4f79a60e967ece7c878b853b63c99ce7662ce808ad58ea49a25b00b8b3cda9f8b22f
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SSDEEP
6144:tloZM+rIkd8g+EtXHkv/iD4AO+VQ6YXzQKXap8aLLyuQb8e1mni:voZtL+EP8A3VQ6YXzQFp8aLLyXN
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1254779924942815344/paQTAR6d7STvJNov66hJHd4xaJNTOXwswjCKb6Cs71b56_nmOpo2YNIVcTlWo9Dqozh2
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 xdark.exe
Files
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xdark.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