Behavioral task
behavioral1
Sample
2024-04-08_2e54e3e22fd1996de9703e49c5a58e8e_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-04-08_2e54e3e22fd1996de9703e49c5a58e8e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_2e54e3e22fd1996de9703e49c5a58e8e_cryptolocker
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Size
64KB
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MD5
2e54e3e22fd1996de9703e49c5a58e8e
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SHA1
b7c063482e50360cea45cd28acc64c3fd67be53e
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SHA256
8ef3f123a6ab1f9c5508cfea73aa8bba60a0b68133c4e22d3bffa55a6c9fee8b
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SHA512
9a114f9fafda16ff7c6743f2e613bbb82176f0f4219968cc7fb4357976a5bbb19dca24b56b687feae33f75cf2070583815f48d2d372a1c06f4e006089ca5bf81
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7A1/jx:zj+soPSMOtEvwDpj4kpmeLmQlA1bx
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 2024-04-08_2e54e3e22fd1996de9703e49c5a58e8e_cryptolocker
Files
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2024-04-08_2e54e3e22fd1996de9703e49c5a58e8e_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