Behavioral task
behavioral1
Sample
2024-04-29_421339eca2309a8f234bbc5e7ccbb378_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_421339eca2309a8f234bbc5e7ccbb378_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_421339eca2309a8f234bbc5e7ccbb378_cryptolocker
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Size
77KB
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MD5
421339eca2309a8f234bbc5e7ccbb378
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SHA1
585affec05ba537ce012b9bce7c0f1684f6ebf4c
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SHA256
518fdf97d3eca017212ec8f0e865b9f87d8f65a5c99f0941bb14073c6b2a2eac
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SHA512
13706240d53e71960b623404d7110c8f735d1c5116892562e9a9e4bea786d09c53a3e3d72e27cf305635eaee2f9b8809aa25ad26fba3d4a86230770bbdb4faf5
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcR7:T6a+rdOOtEvwDpjNtS
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_421339eca2309a8f234bbc5e7ccbb378_cryptolocker
Files
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2024-04-29_421339eca2309a8f234bbc5e7ccbb378_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