Behavioral task
behavioral1
Sample
2024-02-28_976cbb9c742d1152c501aa54e94bb7e2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_976cbb9c742d1152c501aa54e94bb7e2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_976cbb9c742d1152c501aa54e94bb7e2_cryptolocker
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Size
57KB
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MD5
976cbb9c742d1152c501aa54e94bb7e2
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SHA1
90cd21123b9d61ea6fa62fbe474f3e9688b20bc9
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SHA256
e07e8a1479e93dbc2c694c82a3c2979ca6d797254dbdb52de573f0557a28146e
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SHA512
1b60606184768518b46ea092cab6a27b8c5a0fb4b0d40858496e4fd68d39a6f9924562bbb80cd2ba0181723ad1e73e1b583e8a777f0ba72d702a0995bb3c49ab
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8XilNY:z6QFElP6n+gKmddpMOtEvwDpj9aYaL/Y
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 2024-02-28_976cbb9c742d1152c501aa54e94bb7e2_cryptolocker
Files
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2024-02-28_976cbb9c742d1152c501aa54e94bb7e2_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