Behavioral task
behavioral1
Sample
2024-05-26_b1fb334906878dda21824e5ac1396def_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-26_b1fb334906878dda21824e5ac1396def_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-26_b1fb334906878dda21824e5ac1396def_cryptolocker
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Size
53KB
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MD5
b1fb334906878dda21824e5ac1396def
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SHA1
3818e765df965af4e466b8259f7366c842f86d28
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SHA256
ba3d6e6894a7596b1861b7ec9ac85ed27595f6b01b1e8c932c010723ad2308cd
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SHA512
2be4f9fb7b34c60e35746e3a27a25317be53d11fdea4405b31fb01935430a0e0875d3b641bc122c8a1f0472a0a881a9b42fd1186dcf7d59e34fe26af32019c98
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkWK:z6QFElP6n+gKmddpMOtEvwDpj31ik1
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 2024-05-26_b1fb334906878dda21824e5ac1396def_cryptolocker
Files
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2024-05-26_b1fb334906878dda21824e5ac1396def_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