Behavioral task
behavioral1
Sample
2024-02-28_ac3ec424c7849acc029b57c5d9bea1da_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_ac3ec424c7849acc029b57c5d9bea1da_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_ac3ec424c7849acc029b57c5d9bea1da_cryptolocker
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Size
87KB
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MD5
ac3ec424c7849acc029b57c5d9bea1da
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SHA1
3a07fd35e89014becfedcece9c37b6bd3a42d0d8
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SHA256
d403d0ae89558d52d9d5b65c194d9f1ddaa29e912285a399228b923e30b5a400
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SHA512
a5b927a5846fe269d53756810142862c8e3a5db73d12588368d40c9072bb1951c14d0ff346017afd549deb1d7c5786f6dec5bba6c58f0df6344f0085be75278c
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tS:zCsanOtEvwDpj4
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_ac3ec424c7849acc029b57c5d9bea1da_cryptolocker
Files
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2024-02-28_ac3ec424c7849acc029b57c5d9bea1da_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