Behavioral task
behavioral1
Sample
2024-02-19_79379867d9e75f31be377b09cffb22a8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_79379867d9e75f31be377b09cffb22a8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_79379867d9e75f31be377b09cffb22a8_cryptolocker
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Size
77KB
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MD5
79379867d9e75f31be377b09cffb22a8
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SHA1
9af633ee22d191eb6b0cf26d63d5f06a91d65688
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SHA256
f73f627bb1a9df04a5d3d2fc0339042d4bd9a3b80237d16d6b7b53a519759759
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SHA512
fc78e88c0b8858b3e2733ecc94d3ed0d6c40eeea524e268fd77302305d0929363a85fd56a9a7e9b54284fa9b932f0e7ebd7c697c32de4c7f65064980b804b34e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPup:T6a+rdOOtEvwDpjNcT
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_79379867d9e75f31be377b09cffb22a8_cryptolocker
Files
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2024-02-19_79379867d9e75f31be377b09cffb22a8_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