Behavioral task
behavioral1
Sample
2024-05-19_31436fb49556c349afc6ad87a9e30767_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-19_31436fb49556c349afc6ad87a9e30767_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-19_31436fb49556c349afc6ad87a9e30767_cryptolocker
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Size
85KB
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MD5
31436fb49556c349afc6ad87a9e30767
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SHA1
efd9efce78f045d76bcf67944fdacf2566ff9425
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SHA256
87358f46833f7113a0addefd680c6ef0fb480aee565e37cbe4cc82b25409d9f4
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SHA512
a6fe9613cb2e543c631bcb07dae05b9be84ea04b72a5e477e9e056eab33c4eda3180275e359f2bc75b1b6d32dd368dfd839ebee737d1205d760251147e7a0c53
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1Bk:zCsanOtEvwDpjo
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 2024-05-19_31436fb49556c349afc6ad87a9e30767_cryptolocker
Files
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2024-05-19_31436fb49556c349afc6ad87a9e30767_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