Behavioral task
behavioral1
Sample
133c6521f845cb71a35d4220e9f77b52_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
133c6521f845cb71a35d4220e9f77b52_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
133c6521f845cb71a35d4220e9f77b52_cryptolocker_JC.exe
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Size
91KB
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MD5
133c6521f845cb71a35d4220e9f77b52
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SHA1
6bf036f84b5e2a9cf6589c9a686e050952038d34
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SHA256
ff8873c5bf7434f5fd7ad3314d18e79a807fe94791a50a95ac0fef397ce12136
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SHA512
be921b5c514905cdc17a3022afb41cf2b64a0e20756c26bb6cff90d9bdb8557fc3e88c6aac52a59a577e6a0bdc0a0aaa8f81038fb97d54dced51247eeaa97040
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp+ofA:AnBdOOtEvwDpj6zl
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 133c6521f845cb71a35d4220e9f77b52_cryptolocker_JC.exe unpack001/out.upx
Files
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133c6521f845cb71a35d4220e9f77b52_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