Behavioral task
behavioral1
Sample
955ef820b48c3791dfc9c189f79fd244_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
955ef820b48c3791dfc9c189f79fd244_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
955ef820b48c3791dfc9c189f79fd244_cryptolocker_JC.exe
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Size
117KB
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MD5
955ef820b48c3791dfc9c189f79fd244
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SHA1
d53df04a77e7d2f249e0f245d71def7e83a90ac4
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SHA256
c92e8cfb43ca2e952d437fbf76c1f272b90bbca6a9913d455b530eb3e86691cb
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SHA512
c924c72b5976136cb0703f860f8cab7e65e4c77d10ccde18e91973b3115c33f5faadb625c22a8f13e6fef3ff8d8e6a2e0097f440e2d5eb3c7d0358471696419c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699G/TG4dYZ:AnBdOOtEvwDpj6zH
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 955ef820b48c3791dfc9c189f79fd244_cryptolocker_JC.exe unpack001/out.upx
Files
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955ef820b48c3791dfc9c189f79fd244_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
Sections
UPX0 Size: - 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
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ