Behavioral task
behavioral1
Sample
2024-03-12_4f27d14f2fd526bd2ddd98ba00a78813_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-12_4f27d14f2fd526bd2ddd98ba00a78813_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_4f27d14f2fd526bd2ddd98ba00a78813_cryptolocker
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Size
66KB
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MD5
4f27d14f2fd526bd2ddd98ba00a78813
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SHA1
f198517d4cf9cb379f230751bd658d94fcc81785
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SHA256
5a85faebf4f63ca18752e255bfbfe433803fe8792cbac5dbf91dc51e10d8877d
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SHA512
d06bb3582754437bd5028f907267c21a924a54f1edc6f3e70e2f03528d43c4380bb061d0f81d7fee54a8989ce2ed99636b1389a39b50dedaee0b3088fbe1c85d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUa1F1:T6a+rdOOtEvwDpjNV
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 2024-03-12_4f27d14f2fd526bd2ddd98ba00a78813_cryptolocker
Files
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2024-03-12_4f27d14f2fd526bd2ddd98ba00a78813_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