Behavioral task
behavioral1
Sample
2024-01-28_71081ddede9614439d895a727ab1dbd5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_71081ddede9614439d895a727ab1dbd5_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_71081ddede9614439d895a727ab1dbd5_cryptolocker
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Size
79KB
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MD5
71081ddede9614439d895a727ab1dbd5
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SHA1
3df2a12d9d7dd73e561d279cf2e2ce6b7395dc8e
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SHA256
231673588d2f1677f93f7b22b81ccd997632a4f746075c8c6b6e0c31c4e66747
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SHA512
2b777fcf5ecd35675ce09de9dab220c1cb7d24fc66b3b3318b5dec0e8593cbed622eedcd1bd5e212e45ff1855d381ba9b97aa696285094c8f1964e7520ee8323
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0T:T6a+rdOOtEvwDpjNtk
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 2024-01-28_71081ddede9614439d895a727ab1dbd5_cryptolocker
Files
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2024-01-28_71081ddede9614439d895a727ab1dbd5_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