Behavioral task
behavioral1
Sample
celex.exe
Resource
win7-20240220-en
General
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Target
celex.exe
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Size
227KB
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MD5
f16dec0bdfdb9ae71b1b410c6ed815ec
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SHA1
10077d4bbc449011fdebc06810fc2196873eaf86
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SHA256
d94fca1806e2fd56a8d56dd4599ba69f39633a0247b78922773da7504d51cf19
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SHA512
3b9d0b195eb8348fb44739d9a703228113c9810f50e9d145eaac0e8642dbac9435b593be7f982f4b0c041b6bc635b2b14da5fcba577004e3e25f77a2b7ad071e
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SSDEEP
6144:eloZM+rIkd8g+EtXHkv/iD4oAWfecjfUQ1gevPec5/b8e1mPi:IoZtL+EP8oAWfecjfUQ1gevPecNR
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1217652066793685103/5707GecBA1Oh6wbHm2CNmyvZn-uWR33dbgdoUwBUHJoiBrsmqxNwEWoYGsbn7dx1KF7f
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 celex.exe
Files
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celex.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: 224KB - Virtual size: 224KB
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