Behavioral task
behavioral1
Sample
2024-02-19_b40e79add33dff40b984318d6b1b40b0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_b40e79add33dff40b984318d6b1b40b0_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-19_b40e79add33dff40b984318d6b1b40b0_cryptolocker
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Size
61KB
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MD5
b40e79add33dff40b984318d6b1b40b0
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SHA1
827422f37540e9ee113f29ef5d9608b8937d4358
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SHA256
5f0b7b45919018e26f13f79cf5a5dda5138285231dd23559ee817cb520e3315a
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SHA512
f36fc8b9213f6cd1254f4f503429b41aeec736c156be8b5a9a12f0faf44ac5bb28aa860cd566421d71ed42f4083d63de790bb5d98cde103d13fbe026bc1bc19e
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SSDEEP
768:P8mnjO6LsoEEeegiZPvEhHSG+gbum/kLyMro2GtOOtEvwDpjKvWxHCbSVaFn0jKh:P8mnK6QFElP6n+gymddpMOtEvwDpjYH
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 2024-02-19_b40e79add33dff40b984318d6b1b40b0_cryptolocker
Files
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2024-02-19_b40e79add33dff40b984318d6b1b40b0_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE