Behavioral task
behavioral1
Sample
2557d07a640fe0a4cea88a13e1aeb49a_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
2557d07a640fe0a4cea88a13e1aeb49a_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
2557d07a640fe0a4cea88a13e1aeb49a_cryptolocker_JC.exe
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Size
95KB
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MD5
2557d07a640fe0a4cea88a13e1aeb49a
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SHA1
06722f9555f2da27552f99d8e51f8fe762d27a8e
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SHA256
0ad857f076933a72cc266444e36da5610efb180a514526cfb3308dd693b4dacd
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SHA512
ce81c602b9aa8a1cb95c6fb803725d414628a20261a6428a3dbb0e8595ae40706e74753396bcc9798cebac8c96b2b67b2b28b237ec78a9cdc15d98dea657b6a5
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviy:AnBdOOtEvwDpj6zM
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2557d07a640fe0a4cea88a13e1aeb49a_cryptolocker_JC.exe unpack001/out.upx
Files
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2557d07a640fe0a4cea88a13e1aeb49a_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