Behavioral task
behavioral1
Sample
2024-02-12_665de8ca586b0fd22b0f0ae6c5ffa413_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_665de8ca586b0fd22b0f0ae6c5ffa413_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_665de8ca586b0fd22b0f0ae6c5ffa413_cryptolocker
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Size
61KB
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MD5
665de8ca586b0fd22b0f0ae6c5ffa413
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SHA1
cce7d58f219e53ec50d831c796d2e268c4d4d68b
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SHA256
67c8669042f9d64e640e96ae94b8bc76d994005616b0d1b2d11148b5929265f5
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SHA512
bbdd2b5d86e9473fbb60ab9e7ef446ded2d1483859fb29c1a14988da5029c77ca59ea66815522c62bf833fb4ebad1924d720f8d95318d2e2e7853dff13502cd9
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5B:zj+soPSMOtEvwDpj4kpmeLmF
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 2024-02-12_665de8ca586b0fd22b0f0ae6c5ffa413_cryptolocker
Files
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2024-02-12_665de8ca586b0fd22b0f0ae6c5ffa413_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