Behavioral task
behavioral1
Sample
2024-02-22_1f2a86727ea750d1a2ee578157c28697_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-22_1f2a86727ea750d1a2ee578157c28697_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_1f2a86727ea750d1a2ee578157c28697_cryptolocker
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Size
80KB
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MD5
1f2a86727ea750d1a2ee578157c28697
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SHA1
1c250bdca2f793dcfe1f5cd5ec5ee8e778882478
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SHA256
4a3189141cb62e5fddac52e93bafb44fbdb050061742d3c531f7362e1d864284
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SHA512
d13d4e1448b7d5cc6e2e942c31380ffad26cbd17fd9a886058430db4b26fdf1e1f84948867a84ce00d2a1becff72f4db1daf803d81c52bc773f11e9e8e8dedb0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyhuqk:zCsanOtEvwDpjP
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 2024-02-22_1f2a86727ea750d1a2ee578157c28697_cryptolocker
Files
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2024-02-22_1f2a86727ea750d1a2ee578157c28697_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