Behavioral task
behavioral1
Sample
2024-05-31_521c2e78101fc11366ce3ea1657fa934_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-31_521c2e78101fc11366ce3ea1657fa934_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-31_521c2e78101fc11366ce3ea1657fa934_cryptolocker
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Size
66KB
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MD5
521c2e78101fc11366ce3ea1657fa934
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SHA1
cf0d71694daa2febfdd3403f0126227a52bab5b7
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SHA256
6b0f123b2d7db212d326dd2f37ce9d020d61f67d18f0b7666e162f35590e3c5f
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SHA512
954ae201ee4cc59591cd8e036edf81720c83b2611bc31a598af0ffb7221a8277dc526b4ebed66126e2ce171cea28ad56c82ae191f29d0247dc4cc9f16626f382
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDyfXo:1nK6a+qdOOtEvwDpjz
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 2024-05-31_521c2e78101fc11366ce3ea1657fa934_cryptolocker
Files
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2024-05-31_521c2e78101fc11366ce3ea1657fa934_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