Behavioral task
behavioral1
Sample
4d2cd5d1f2f59209e2e1de6d80628697_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
4d2cd5d1f2f59209e2e1de6d80628697_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
4d2cd5d1f2f59209e2e1de6d80628697_cryptolocker_JC.exe
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Size
64KB
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MD5
4d2cd5d1f2f59209e2e1de6d80628697
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SHA1
b9d303ab99e68bbc499b5a0248fceadb055a3e64
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SHA256
966d109bbec206d8b7c49088379820852ab1534c6e6078b6f8fd20bbcd9290f3
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SHA512
2f76ecf1b3dca33c7c420314197585e0766c6a527c789b1cf18046835ef60d8fbd696d015d0cd7ae387f5259f63ad2dadeb22f5122de04ba62be567ca6fbab0c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTOOZs3u:T6a+rdOOtEvwDpjNL
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4d2cd5d1f2f59209e2e1de6d80628697_cryptolocker_JC.exe
Files
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4d2cd5d1f2f59209e2e1de6d80628697_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE