Behavioral task
behavioral1
Sample
2024-04-20_4e7f133622029c8cb12540247eaf2b19_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_4e7f133622029c8cb12540247eaf2b19_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_4e7f133622029c8cb12540247eaf2b19_cryptolocker
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Size
54KB
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MD5
4e7f133622029c8cb12540247eaf2b19
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SHA1
1406d83bbe6ca71a53e1c45ee3c5b65b739188a7
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SHA256
575ef1e0647cdcefe35defdb3da9f0279d729b11453d017ed0b77af077d994cd
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SHA512
d8e39c8d121d7bdbdaab617d24e38896791cf69b3f5f62f01f7159a671f28eb24a134758f730089e3021cf12306582301b97865acefbb3ba5ba9de69f50eb14d
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgULk:bP9g/xtCS3Dxx0V
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 2024-04-20_4e7f133622029c8cb12540247eaf2b19_cryptolocker
Files
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2024-04-20_4e7f133622029c8cb12540247eaf2b19_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