Behavioral task
behavioral1
Sample
2024-04-16_763f0e1bf8492b07202a61914afbd5f4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_763f0e1bf8492b07202a61914afbd5f4_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_763f0e1bf8492b07202a61914afbd5f4_cryptolocker
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Size
93KB
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MD5
763f0e1bf8492b07202a61914afbd5f4
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SHA1
78c9d2959e37b7e3b3140f394fbf5c7202000826
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SHA256
b5ea3663ada9d28e7738eb6e8c14a51cd96b681f576b8a56f74782ae02b4d24b
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SHA512
c90e64a89ce498fd1f8bb9c610c209d5ed10751f5d9a79d64ae7141a7688500a5f7a52c8e3ac253852c9e2319bb67d4f1ed0e2dbe5027f7530d458b7295c9213
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/k:zCsanOtEvwDpjBk
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 2024-04-16_763f0e1bf8492b07202a61914afbd5f4_cryptolocker
Files
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2024-04-16_763f0e1bf8492b07202a61914afbd5f4_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