Behavioral task
behavioral1
Sample
21fa7621eb7877ec76afdd31618eefbd_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
21fa7621eb7877ec76afdd31618eefbd_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
21fa7621eb7877ec76afdd31618eefbd_cryptolocker_JC.exe
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Size
97KB
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MD5
21fa7621eb7877ec76afdd31618eefbd
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SHA1
6da829534809c9f4d8393626bacb5f93f1cf3aad
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SHA256
67882f3b31017ea498d48286cf5bf23843bb3826ddb7149bd1847ce6734efb06
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SHA512
0ba2f78712b1215cf27ba79a2448b32cc2e942d85870a95fdf2cf794437f25b13a7d714abf43d9ad56944838c4f31a2d2e8477b7e6a8e0997379ee0189b02ea4
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJho:AnBdOOtEvwDpj6zZ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 21fa7621eb7877ec76afdd31618eefbd_cryptolocker_JC.exe unpack001/out.upx
Files
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21fa7621eb7877ec76afdd31618eefbd_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