Behavioral task
behavioral1
Sample
2024-03-26_ef1851cd5bf7fe4224bfd488c5107e15_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_ef1851cd5bf7fe4224bfd488c5107e15_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-26_ef1851cd5bf7fe4224bfd488c5107e15_cryptolocker
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Size
65KB
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MD5
ef1851cd5bf7fe4224bfd488c5107e15
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SHA1
edccca0cdaf692540bdf859e0f06b5fba3415144
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SHA256
e5593be80da14f7814c8d717289484a3908c86fdbd45a947e57be389d1c70bf9
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SHA512
93b2c06b4330f38194873c61ffeb8110a9289d4b07abe987b175ecf3c3633b477ea93c45df4d89b397efcb3ad0552967c0bb3b39e9f874523a32e0899f6785b2
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UnU4:1nK6a+qdOOtEvwDpjc
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 2024-03-26_ef1851cd5bf7fe4224bfd488c5107e15_cryptolocker
Files
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2024-03-26_ef1851cd5bf7fe4224bfd488c5107e15_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