Behavioral task
behavioral1
Sample
2024-04-22_72ba657bdfcb0aea7ef47ea43a1e6b6a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-22_72ba657bdfcb0aea7ef47ea43a1e6b6a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-22_72ba657bdfcb0aea7ef47ea43a1e6b6a_cryptolocker
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Size
57KB
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MD5
72ba657bdfcb0aea7ef47ea43a1e6b6a
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SHA1
13e5ddad160769f704a6ec083cd5cbcb91c855d6
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SHA256
664b172732daa25fb8267b22dfbfe6ac5aa43a5c60a7c797f04f213b91611eba
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SHA512
9e66caa372d924091483b852428ae796daaeb1616a52a273f260e26a9457ad2fd7cfa49edb659a06509e4c66187e1de5ecaff11f10e1c5dd8e9bff5f956eeff9
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax84QrPe1:z6QFElP6n+gKmddpMOtEvwDpj9aYaMe1
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 2024-04-22_72ba657bdfcb0aea7ef47ea43a1e6b6a_cryptolocker
Files
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2024-04-22_72ba657bdfcb0aea7ef47ea43a1e6b6a_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_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