Behavioral task
behavioral1
Sample
2024-01-28_b4eca3ca35d2abcdef425f31972895c6_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_b4eca3ca35d2abcdef425f31972895c6_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_b4eca3ca35d2abcdef425f31972895c6_cryptolocker
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Size
104KB
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MD5
b4eca3ca35d2abcdef425f31972895c6
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SHA1
5738e19d98ab014716f67d4459fe95949560b11a
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SHA256
24fd7ae1e4abcb4cdfd3c9cd6af93e0adf45981295763d5c9567eb63668fcf69
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SHA512
d8a76886100f22665e6faefde7e08ec588f7d77920259c5f078aa37924303159dec1ac4f5aba5266bebcce5e8ffb47d21815667e2dff44c283105765e798c1de
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GkszfO:1nK6a+qdOOtEvwDpjC
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-01-28_b4eca3ca35d2abcdef425f31972895c6_cryptolocker
Files
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2024-01-28_b4eca3ca35d2abcdef425f31972895c6_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE