Behavioral task
behavioral1
Sample
7831c653a8eab76b5de2bdaa1d5d2f5e_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
7831c653a8eab76b5de2bdaa1d5d2f5e_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
7831c653a8eab76b5de2bdaa1d5d2f5e_cryptolocker_JC.exe
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Size
54KB
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MD5
7831c653a8eab76b5de2bdaa1d5d2f5e
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SHA1
41f320ab0bd3a071db99ce58136a0f77e99e3122
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SHA256
5874b79f07bc6ec39b29d2ccfb1f161b6c37f37820958a2d716dfc9c9e4ac012
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SHA512
76edc2468d3f254e136338d12bddcaa0bdd0ac40d73b4e7972918905e4b0befd0172d21600d794d0849637a3a697c624340630be6f4eecccdc37d27b74482b26
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpeo:zj+soPSMOtEvwDpj4yyo
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 7831c653a8eab76b5de2bdaa1d5d2f5e_cryptolocker_JC.exe
Files
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7831c653a8eab76b5de2bdaa1d5d2f5e_cryptolocker_JC.exe.exe windows 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