Behavioral task
behavioral1
Sample
2024-04-17_23a955f6d9e2c175afe9581fdb87e955_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_23a955f6d9e2c175afe9581fdb87e955_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_23a955f6d9e2c175afe9581fdb87e955_cryptolocker
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Size
54KB
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MD5
23a955f6d9e2c175afe9581fdb87e955
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SHA1
830d7c06e0cbda187096e43bbdb4e5d879bbb059
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SHA256
bf2aa8aea9a65d3fd9db208184177ea4b460dc3cb3f98cf8ed7212dd6b075da0
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SHA512
24fc35a2758864758e20940b9262db217d20ea5faa95443d08fa318e4175e4d7e9c62a0958f03cb10e98b2a1aa9d4575957654a5bac6f4d33478317b174aee0b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlb:bP9g/xtCS3Dxx04
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-17_23a955f6d9e2c175afe9581fdb87e955_cryptolocker
Files
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2024-04-17_23a955f6d9e2c175afe9581fdb87e955_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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