Behavioral task
behavioral1
Sample
2024-03-25_22eb5b8eb528ff2ccb6c75e7754d31d0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_22eb5b8eb528ff2ccb6c75e7754d31d0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_22eb5b8eb528ff2ccb6c75e7754d31d0_cryptolocker
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Size
65KB
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MD5
22eb5b8eb528ff2ccb6c75e7754d31d0
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SHA1
f486675c11ed32c6aed9ca8e549901e15872760a
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SHA256
f8d3f98f26db2fb75fd0172736e5b8b926229b8a495eadbd21ac639037bc668f
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SHA512
670653f9a099dab1cebafcb5989845697413134acd4517d8ecc9a40460928925aaaa49e165ea6bbbee74a1daf88644187bfe0fbe2f32c677431dcd3a6bce6e8f
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kKW:zj+soPSMOtEvwDpj4kpmeLmQKW
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 2024-03-25_22eb5b8eb528ff2ccb6c75e7754d31d0_cryptolocker
Files
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2024-03-25_22eb5b8eb528ff2ccb6c75e7754d31d0_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