Behavioral task
behavioral1
Sample
2024-04-04_57c8500cdf34f549a2a441900b1d094c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-04_57c8500cdf34f549a2a441900b1d094c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_57c8500cdf34f549a2a441900b1d094c_cryptolocker
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Size
100KB
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MD5
57c8500cdf34f549a2a441900b1d094c
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SHA1
f2c2a073b2fb47adc48180151d2e2526e59c7280
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SHA256
9fa50aa8c9dfa7dad8f6dc049ae06f77230bc05898c5b54b2ec1817b1e142163
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SHA512
b8511a0baea13e9e9abeced013441fa7a73a9c510852a00064e9cb546fe742145668cda37712f50f97e5822a350c4604ddcc0e0db4ca0523c6ecf8f9fae5df80
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXa6cLI:z6a+CdOOtEvwDpjcN
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 2024-04-04_57c8500cdf34f549a2a441900b1d094c_cryptolocker
Files
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2024-04-04_57c8500cdf34f549a2a441900b1d094c_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