Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Nezur.exe
Resource
win10v2004-20240412-en
General
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Target
Nezur_External.zip
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Size
5.2MB
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MD5
c7314eccc70ccf5f3937b7d6c7248da9
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SHA1
23dd26843f42f5c4ff8e8c66c93668763372999b
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SHA256
e55f068b13b1e752d0ca5bf4d49a66003efd62643eaa4cd68104b6d0453cc49c
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SHA512
8d38af52fa51136a94e5f6c51c8a25085d728f4747b292ff33db015ea68de93523e46865bfae8558ce9d1699f63eef2272a3ddfa7a7bcc45c04eb1359a8ea43c
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SSDEEP
98304:6VtY+XRAhQ4FEjmyVUnBWW9o1ldXFaMiuLbOd2p91tGsxPOSpcsAsMYk83RAqIZi:6TXXR4F9/doldXwZyb9p9DbxPOSGsAs7
Malware Config
Signatures
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resource yara_rule static1/unpack001/Nezur.exe themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Nezur.exe
Files
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Nezur_External.zip.zip
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Nezur.exe.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 726KB - Virtual size: 1.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 157KB - Virtual size: 433KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 651KB - Virtual size: 973KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 35KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 15KB - Virtual size: 165KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 3KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 165KB - Virtual size: 165KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 6.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.7MB - Virtual size: 3.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 16B - Virtual size: 4KB
IMAGE_SCN_MEM_READ