Behavioral task
behavioral1
Sample
8f4eea05d8e4d5df2a924e964bb2986c_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
8f4eea05d8e4d5df2a924e964bb2986c_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
8f4eea05d8e4d5df2a924e964bb2986c_cryptolocker_JC.exe
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Size
96KB
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MD5
8f4eea05d8e4d5df2a924e964bb2986c
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SHA1
b40b98dff5fa89aee0646ceeee0d39be78dd6c09
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SHA256
c034a2a373fc1aa79c0bb0c088fcc1b193cad227220a5935748e4f33d28c9316
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SHA512
ded2fb961df997e2388a5b9a402b917d8556466c9a885b2374c3313af9d588165e649686fa2baf75e904953d79e4ce4b0171bbefb38d68d3ff277a488e3fafdd
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQb6v:AnBdOOtEvwDpj6za
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 8f4eea05d8e4d5df2a924e964bb2986c_cryptolocker_JC.exe unpack001/out.upx
Files
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8f4eea05d8e4d5df2a924e964bb2986c_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