Behavioral task
behavioral1
Sample
2024-04-15_7d7f57055a9362c6ee2dc3eb8c3552a1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_7d7f57055a9362c6ee2dc3eb8c3552a1_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_7d7f57055a9362c6ee2dc3eb8c3552a1_cryptolocker
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Size
110KB
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MD5
7d7f57055a9362c6ee2dc3eb8c3552a1
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SHA1
99879a6ca51d0e5b421a627de6ad27ee1bdb9388
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SHA256
ea92df31864bbefbed6f4b3255082457e2edb498fa3de4ed69009d659a25b429
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SHA512
6fc70057e866fff5c3fabd073199876ce682ea3fc990d0d6d98c7b3866962f1962a434a8a5a98f2197556b6f31d3dbfa63cdc3269fa31a659c729eb9ce7077b5
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJOvjM:z6a+CdOOtEvwDpjczh
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 2024-04-15_7d7f57055a9362c6ee2dc3eb8c3552a1_cryptolocker
Files
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2024-04-15_7d7f57055a9362c6ee2dc3eb8c3552a1_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_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