Behavioral task
behavioral1
Sample
5a1cf44d177aebb80855cf231e2c25ec_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
5a1cf44d177aebb80855cf231e2c25ec_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
5a1cf44d177aebb80855cf231e2c25ec_cryptolocker_JC.exe
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Size
115KB
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MD5
5a1cf44d177aebb80855cf231e2c25ec
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SHA1
bcd440faaf738ba01ada9c8054d52693a2340cac
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SHA256
f208ad33d84735018046545aa29c9b66dc5f2b7f0f65def4aaa21ffe83bed894
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SHA512
e547d728611bbbb33483e2b9c4a7d37c823ebc8386446829f3324a3e27c07f15085f128538c6dc87aa64bc559922a00ad367bbc42e840c082895af5db71e153d
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699G1mC:AnBdOOtEvwDpj6zQ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 5a1cf44d177aebb80855cf231e2c25ec_cryptolocker_JC.exe unpack001/out.upx
Files
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5a1cf44d177aebb80855cf231e2c25ec_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