Behavioral task
behavioral1
Sample
b047807b3911b8d3a6b5cee152009e9d_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
b047807b3911b8d3a6b5cee152009e9d_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
b047807b3911b8d3a6b5cee152009e9d_cryptolocker_JC.exe
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Size
87KB
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MD5
b047807b3911b8d3a6b5cee152009e9d
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SHA1
a1ca3c9089f6b5d4f9731852c790d2ea4c81a57f
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SHA256
3cbe842bef9e153ef25b13b987ed5be5cfcd7c97af4447a975798dccfaa2bdd0
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SHA512
89f243ae1a67e8a1583613d9fc900d2effa371ca7f73d50f87e422801dbf60bcc32f3ca09769013f2f4645627ca845869ba1cea52ab835f41e17f63aed1ffc3b
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNuRWV:AnBdOOtEvwDpj6zgg
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource b047807b3911b8d3a6b5cee152009e9d_cryptolocker_JC.exe unpack001/out.upx
Files
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b047807b3911b8d3a6b5cee152009e9d_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