Behavioral task
behavioral1
Sample
2024-02-03_6640c21028193b7c8a70721e1e20160c_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_6640c21028193b7c8a70721e1e20160c_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_6640c21028193b7c8a70721e1e20160c_cryptolocker
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Size
81KB
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MD5
6640c21028193b7c8a70721e1e20160c
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SHA1
d6fe90aaa14016edd1e29ef3574eb2f3ee77897d
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SHA256
7a4be16f3848ba1150ee441033fc7dd7f93d7c408cdcb83728bdfb4495ac994c
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SHA512
2893901d107063b66ba1d65e0cfbaac7bf5afa2fb5a52bc3b45d7475058e11680d0d1b53358133ff2ae6a0d45f0d036c5cc3c951765c5fb1fc20c8875163ead0
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7v4:T6a+rdOOtEvwDpjNM
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 2024-02-03_6640c21028193b7c8a70721e1e20160c_cryptolocker
Files
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2024-02-03_6640c21028193b7c8a70721e1e20160c_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