Behavioral task
behavioral1
Sample
a9749e7d69accd3f1cb0db731b909075_cryptolocker_JC.exe
Resource
win7-20230824-en
Behavioral task
behavioral2
Sample
a9749e7d69accd3f1cb0db731b909075_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
a9749e7d69accd3f1cb0db731b909075_cryptolocker_JC.exe
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Size
87KB
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MD5
a9749e7d69accd3f1cb0db731b909075
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SHA1
5199543f1731290901f3b4358fdc85d77d79af13
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SHA256
f370a7974ae469d18e45bbbf4c65a38d703c531d40758e3ac2c56b5a07e02023
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SHA512
638eaf485d5ce8567e3c45e387543ed36238b6f8f32373457a6ef0a54633fbdde1a3e3ee651183549d884a9edade2de0f550cfdf0e8a307a1a80f67b2d7933af
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNuj2ba:AnBdOOtEvwDpj6zG
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource a9749e7d69accd3f1cb0db731b909075_cryptolocker_JC.exe unpack001/out.upx
Files
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a9749e7d69accd3f1cb0db731b909075_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