Behavioral task
behavioral1
Sample
2024-04-29_17355878e233a0db4eee2d63b202b11a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-29_17355878e233a0db4eee2d63b202b11a_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_17355878e233a0db4eee2d63b202b11a_cryptolocker
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Size
65KB
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MD5
17355878e233a0db4eee2d63b202b11a
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SHA1
baff53cf19405e83ad5fc531fc735916e3a99c7d
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SHA256
cf0a463d2379139569fa09e2b008adbd0ab835853d867ec74f921f40a3970c53
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SHA512
e54c7c48a51ea988684db960e8d53fe24f076979d08aa9f2252121afdeff0e68022c7f5e160d4f8a735032532593edbe357d95d3e40d7ba8af144c2df9cd5ed2
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5BvM:zj+soPSMOtEvwDpj4kpmeLmQ/E
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 2024-04-29_17355878e233a0db4eee2d63b202b11a_cryptolocker
Files
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2024-04-29_17355878e233a0db4eee2d63b202b11a_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_CODE
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