Behavioral task
behavioral1
Sample
wumcache64.dll
Resource
win7-20240729-en
General
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Target
wumcache64.dll
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Size
8.8MB
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MD5
6622504c5975db3515d31c9fcff72caf
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SHA1
40ac5307524f1147813892d371683774efacbf89
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SHA256
ed559a10445c3164906a6ebc17be34777573acd50051c0d34b07861a401f6397
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SHA512
2e81d80c9041d4804553749c823fbc7eac92d38bea237069def2d80f4cb22548717c77e7054440272b7c58e6a9aa1f8645ed4360c58db64d15466e2339314eac
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SSDEEP
196608:FQQqj3aDAbZf06wKTSlTbk419WLtHdpoyA6sMurngJQd+eu9z:Fvq5Zf06wK2hb31QLtHDlfsMurn1t+z
Malware Config
Signatures
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resource yara_rule sample themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource wumcache64.dll
Files
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wumcache64.dll.dll windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Sections
Size: 595KB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 1.0MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 5KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 29KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 2KB - 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: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 12.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 7.2MB - Virtual size: 7.2MB
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