Behavioral task
behavioral1
Sample
ff0f81eefc31f8056d5df83cdda3c9a1_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
ff0f81eefc31f8056d5df83cdda3c9a1_cryptolocker_JC.exe
Resource
win10v2004-20230824-en
General
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Target
ff0f81eefc31f8056d5df83cdda3c9a1_cryptolocker_JC.exe
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Size
87KB
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MD5
ff0f81eefc31f8056d5df83cdda3c9a1
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SHA1
ac2002b36d190b7ea5394820f0c7faf80686bd83
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SHA256
e14d0ce51e77899c1a03f80c8ec32bf295c30a97decdf5a327a8bb5a628fc3e7
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SHA512
a4050e93b34f260843f34119a647c148e05967743d8e997d5c6abfd74584bce4c2803b194e0a83082b130613215e27b677e32046bd482ab8ff744528a755f722
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNuRW8:AnBdOOtEvwDpj6zgB
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource ff0f81eefc31f8056d5df83cdda3c9a1_cryptolocker_JC.exe unpack001/out.upx
Files
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ff0f81eefc31f8056d5df83cdda3c9a1_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