Behavioral task
behavioral1
Sample
2024-01-08_a7bd91b610f651ed14695c969ec6c61e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-08_a7bd91b610f651ed14695c969ec6c61e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-08_a7bd91b610f651ed14695c969ec6c61e_cryptolocker
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Size
55KB
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MD5
a7bd91b610f651ed14695c969ec6c61e
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SHA1
8cd25888b3e557a5f33ab91ed53902078481d0e4
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SHA256
1ed0585e6b71a5d0263887a6bdc47ec8b2890cb18c68c51cb89b60cdcb9e354f
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SHA512
6d7f1f1f4c8357dde66d4d74954bea5951173a124739c4ebb2458edb5243590c6b9a0f4370fc7fe355728dac6fd0640edd9af67ec4e0dfbaa0981d9b20934cba
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpN:zj+soPSMOtEvwDpj4yJ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-08_a7bd91b610f651ed14695c969ec6c61e_cryptolocker
Files
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2024-01-08_a7bd91b610f651ed14695c969ec6c61e_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE