Behavioral task
behavioral1
Sample
2024-03-26_c975a1cd11a66ac392e28b42d597baf0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_c975a1cd11a66ac392e28b42d597baf0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-26_c975a1cd11a66ac392e28b42d597baf0_cryptolocker
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Size
83KB
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MD5
c975a1cd11a66ac392e28b42d597baf0
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SHA1
c2355932efa0249179f17dae30671a6af36f4b74
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SHA256
3197cc3b5a8c0ddbafe106acede6828b4d5a4772f5b0affc236a9fcf1250eafb
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SHA512
87c4a34f843859fb03ac0c409dc6ea64b5a8b8931e83f7023a6f02142e31670bd7ea7487c462f464783193f0b0f812d3184a455ddfcdab526519ec1fb6aac3f4
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1ny:zCsanOtEvwDpjM
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 2024-03-26_c975a1cd11a66ac392e28b42d597baf0_cryptolocker
Files
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2024-03-26_c975a1cd11a66ac392e28b42d597baf0_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