Behavioral task
behavioral1
Sample
2024-05-25_39d4e2a3541df454aae2edb64fd6b745_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-25_39d4e2a3541df454aae2edb64fd6b745_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-25_39d4e2a3541df454aae2edb64fd6b745_cryptolocker
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Size
81KB
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MD5
39d4e2a3541df454aae2edb64fd6b745
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SHA1
86504ef241075f8d46cbd33bade60e031ff21b8d
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SHA256
59587d53290e1958a928044532e3eaebee131539fadde47db574d7eda8d13d48
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SHA512
1c66eb41469616a760eeb50e4cc8fb45fdb17834083af76bb1660082d80069e97f86ee8e02f5f4c4ca47cda5944ad7f35f1507eb6ef365951e6d0c870a21d733
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdf:T6a+rdOOtEvwDpjNt5
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 2024-05-25_39d4e2a3541df454aae2edb64fd6b745_cryptolocker
Files
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2024-05-25_39d4e2a3541df454aae2edb64fd6b745_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