Behavioral task
behavioral1
Sample
clenor2.exe
Resource
win7-20240903-en
General
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Target
clenor2.exe
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Size
251KB
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MD5
42c9654eb3298b8d5f4d16d1ed0d749e
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SHA1
4fc97a7b2620c1ce483b1cc0ec18ce72c95ad74f
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SHA256
f637e4110044a636ee310796ac7659d7b80a2e9ece59d47287cf6b4fe4bd35e1
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SHA512
2e2ea79df165f7431aea4663c7cee5e43df0510ac2a03e17ff9bed4c5ffe1b9174bdb9060e985c831abf36cbf0942b1fa76da2d30b277e26b2b83a632aaf0599
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SSDEEP
6144:TloZMsrIkd8g+EtXHkv/iD4xxfibhS6FHAxDeebc+Yb8e1m0yi40D:RoZTL+EP8xxfibhS6FHAxDeebcX7n40D
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1183496796442464288/d6E4LQG5nAtwk9UyXiD0x83Y9wC6BVc-vFDfW1T_z5Avbd1u9uH_gKWc0zEGS9E_Y_iC
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 clenor2.exe
Files
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clenor2.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: 23KB - Virtual size: 22KB
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