Behavioral task
behavioral1
Sample
2024-03-27_641895efcc8d07896b717083a151b2d3_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-27_641895efcc8d07896b717083a151b2d3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_641895efcc8d07896b717083a151b2d3_cryptolocker
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Size
108KB
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MD5
641895efcc8d07896b717083a151b2d3
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SHA1
53bb5dbed77ac10ff481d5f3d2239449c6de1525
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SHA256
22d1af92f4fc0059f51b10bd3942eb42899d93d9634d83b1481409505370bf71
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SHA512
38e0eca0b14aeedc5fa0350eb764ba56cf57d39cc5cc15e9f97b97c84a90ec91cc2fdb7fe67f5d0de86d194e829c98845dbd1f725e09bda8dfb2259dc4550818
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gkszf8X:1nK6a+qdOOtEvwDpjA
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 2024-03-27_641895efcc8d07896b717083a151b2d3_cryptolocker
Files
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2024-03-27_641895efcc8d07896b717083a151b2d3_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