Behavioral task
behavioral1
Sample
39c0eb246d98925768cb71d227e9e6cf.exe
Resource
win7-20240221-en
General
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Target
39c0eb246d98925768cb71d227e9e6cf.bin
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Size
232KB
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MD5
39c0eb246d98925768cb71d227e9e6cf
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SHA1
32bdb718da2fbe3b0ce8acc4fae5f3935b07be36
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SHA256
379820411c8d6c925063d134abe0b1e6c0fa5f1d3537be354549b4c8c69876a5
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SHA512
15b197cf61c02d858b47d0720bedc9bd496e7ef57e5a48135a21495adccaaf7c30b31132fe29f7a61e6219e0d0c59551adbf20d359e8266a086bfe2f614f1377
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SSDEEP
6144:BloZM+rIkd8g+EtXHkv/iD4ojZT9rI8jg67NokR1hb8e1mMUci:zoZtL+EP8ojZT9rI8jg67NokRHLO
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1218255752314097764/pf1l_fyX4Y944q-tMNsmbSq2cfDBpqCBXuTvF0vyF76tkTcn3FOYasjrq_iM6NffJOYF
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 39c0eb246d98925768cb71d227e9e6cf.bin
Files
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39c0eb246d98925768cb71d227e9e6cf.bin.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: 229KB - Virtual size: 229KB
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