Behavioral task
behavioral1
Sample
2024-02-28_f8357ff5d5aa61ebcfd59929beed6c71_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_f8357ff5d5aa61ebcfd59929beed6c71_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_f8357ff5d5aa61ebcfd59929beed6c71_cryptolocker
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Size
82KB
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MD5
f8357ff5d5aa61ebcfd59929beed6c71
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SHA1
a0213c9f199ecafa9c7dce395df2822e2adc1335
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SHA256
fe21007cd83d291c5f41435dc1e3434d183da18f0901a2bbf24e9cb33161e7da
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SHA512
163f1c88ede2277c6922ddb02230e12014149e80f237b734f4d316dddb5b40ab967b23094f4d72aa024387765dfc7fe425805fc21a2bc63eb06e5982c60bace3
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7s:T6a+rdOOtEvwDpjNA
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_f8357ff5d5aa61ebcfd59929beed6c71_cryptolocker
Files
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2024-02-28_f8357ff5d5aa61ebcfd59929beed6c71_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