Behavioral task
behavioral1
Sample
release05262024.exe
Resource
win7-20240508-en
General
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Target
release05262024.exe
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Size
234KB
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MD5
550cecea767138fcf54daabc6af64ff1
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SHA1
1b63a5be8367b98d68a3cb190542b65084c22fdb
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SHA256
ea94a87b1828d33c0fd1b075ecfdf3cde3856c3b3f173f10c4618e306f1970f8
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SHA512
41f94f4845608311908e3abf8640fa9745d368289163304d6759cbf9a94894c3256ce0159b7fb3b612f6cc5432d34ae4571174ace831fa4bd0b3ebe1426ddf3b
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SSDEEP
6144:XloZM+rIkd8g+EtXHkv/iD4ZgdtNbYMTvqL9Y0hZOb8e1mXzi4:1oZtL+EP8ZgdtNbYMTvqL9Y0hc6e
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1244362891965108275/HXo_OfDdkDwqqtf7tglmVMtmcg4QClHYML_rbnuo7qbYcs2iHQmI11WQc3h41CQ931IZ
Signatures
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Detect Umbral payload 1 IoCs
Processes:
resource yara_rule sample family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource release05262024.exe
Files
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release05262024.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: 6KB - Virtual size: 5KB
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