Behavioral task
behavioral1
Sample
2024-05-15_4681af2e2b82160a86132801510ad2d2_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-15_4681af2e2b82160a86132801510ad2d2_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-15_4681af2e2b82160a86132801510ad2d2_cryptolocker
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Size
56KB
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MD5
4681af2e2b82160a86132801510ad2d2
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SHA1
85e88ac848cc49d0ecd4ef9bb5f4a561fc81208a
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SHA256
c36e4f2209dfea4be7d4ce532876d2d089d47d1dc3c94d249b0ae0853b322929
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SHA512
5a5c083c6ed60b80c59e3f9d843755c9f60749ff895592b6bcf5dddce9d42fee68b80fef41bae1bc583b2f44096883aa670785e832c09d4c49af55dea330d185
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlt:bP9g/xtCS3Dxx0K
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 2024-05-15_4681af2e2b82160a86132801510ad2d2_cryptolocker
Files
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2024-05-15_4681af2e2b82160a86132801510ad2d2_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