Behavioral task
behavioral1
Sample
2024-02-22_1cf8449b1a5964e7107d4d7103c3fc0e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_1cf8449b1a5964e7107d4d7103c3fc0e_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_1cf8449b1a5964e7107d4d7103c3fc0e_cryptolocker
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Size
93KB
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MD5
1cf8449b1a5964e7107d4d7103c3fc0e
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SHA1
a74d4ff38c0ca4b65b801a74455f23359a00ea38
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SHA256
d208bdcf0a73ab78304ddf721f1517b70cb66f94bc5630cf3152ea74be9cc897
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SHA512
263c82c6a8cc5084b221c9e72b47cce3212135844f6050f140bc95b31e0a85e658f3b1e350ccd531b9bef416cf372a344d0037f2c5e69c3fa0a1ea5b595e147c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/Tb:zCsanOtEvwDpjBX
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 2024-02-22_1cf8449b1a5964e7107d4d7103c3fc0e_cryptolocker
Files
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2024-02-22_1cf8449b1a5964e7107d4d7103c3fc0e_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