Behavioral task
behavioral1
Sample
2024-02-28_4f7bd234f9b2a0c38821a6103dde7713_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_4f7bd234f9b2a0c38821a6103dde7713_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_4f7bd234f9b2a0c38821a6103dde7713_cryptolocker
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Size
76KB
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MD5
4f7bd234f9b2a0c38821a6103dde7713
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SHA1
a18ec612dd9dab47a917e8c468d679e8291b9b71
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SHA256
c913623b45a4dc5d575ddadd90e75b0dee7048f7121d6ae45bcbb4b5ed9f83b6
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SHA512
fb2ffd62f40713d413e23c9e63e8d5c1fa1cfa272b7e042fb3c36e596b8ec009ed5ce65f80b60990ae2f46080ac3a71e553df951d1268df721799523c6d9b482
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcVS:T6a+rdOOtEvwDpjNtf
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_4f7bd234f9b2a0c38821a6103dde7713_cryptolocker
Files
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2024-02-28_4f7bd234f9b2a0c38821a6103dde7713_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