Behavioral task
behavioral1
Sample
2024-05-01_738fcd5d143f334ce2967f1e122e523a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-01_738fcd5d143f334ce2967f1e122e523a_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_738fcd5d143f334ce2967f1e122e523a_cryptolocker
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Size
40KB
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MD5
738fcd5d143f334ce2967f1e122e523a
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SHA1
c7adbe441ac546146376e738766fc79093bbad8b
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SHA256
07238f689d96bb5d795e291dffc146de988fc8d74540653ff6b1315e2e5ab7fd
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SHA512
485caef1009cc38bacf72354ff5e3ae90cc4f115c992ce54480c45de89e7491678514c8152ee1ca36f6dd2f2860c776b1c9d99c1553eb41ba176289a3fee33b2
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHe:ba74zYcgT/EkdCQgpwXFXSqQXfj0xK+
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-01_738fcd5d143f334ce2967f1e122e523a_cryptolocker
Files
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2024-05-01_738fcd5d143f334ce2967f1e122e523a_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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