Behavioral task
behavioral1
Sample
2024-02-28_9fb3fcd1ea00c0a0287b18245bb318f3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_9fb3fcd1ea00c0a0287b18245bb318f3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_9fb3fcd1ea00c0a0287b18245bb318f3_cryptolocker
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Size
78KB
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MD5
9fb3fcd1ea00c0a0287b18245bb318f3
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SHA1
bce0c6a6cc11bcb2ef0f1ae137f6e67cc7217d69
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SHA256
d27f0cb5e9b13a435d70d3dca634938c7fd314ecebe9ceb4232dfb0502878293
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SHA512
d4bed1f57564d3c686d242aa0e4bc8c9270587de0ba0c1e6363de1887c9e49840e8c960a472b20743f2a3aea59000cc6d6af48372dab1125cbb0b4904d20c616
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kya5:zCsanOtEvwDpjX
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_9fb3fcd1ea00c0a0287b18245bb318f3_cryptolocker
Files
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2024-02-28_9fb3fcd1ea00c0a0287b18245bb318f3_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