Behavioral task
behavioral1
Sample
2024-05-11_778bb3ffbbc01da1f027b50ffcbf0bc7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-11_778bb3ffbbc01da1f027b50ffcbf0bc7_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-11_778bb3ffbbc01da1f027b50ffcbf0bc7_cryptolocker
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Size
56KB
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MD5
778bb3ffbbc01da1f027b50ffcbf0bc7
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SHA1
5be02f72370d402ca45239cf702ac5f54c30fad7
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SHA256
d76c3461110aa61d7c1d26d60857c0a78423fcf726c100100d02d156350ba571
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SHA512
174ed2c06356b615f94686562ad374b2ce7c623f0c761f31c6b66433fde831dd53f221b79a42090c610149300c396ee124c98a214d0b99f0a86b754c9422b13b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlN:bP9g/xtCS3Dxx0S
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 2024-05-11_778bb3ffbbc01da1f027b50ffcbf0bc7_cryptolocker
Files
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2024-05-11_778bb3ffbbc01da1f027b50ffcbf0bc7_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