Behavioral task
behavioral1
Sample
2023-08-27_5b1a700479c2ac1fb011a4d435a4f9bd_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-27_5b1a700479c2ac1fb011a4d435a4f9bd_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-27_5b1a700479c2ac1fb011a4d435a4f9bd_cryptolocker_JC.exe
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Size
124KB
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MD5
5b1a700479c2ac1fb011a4d435a4f9bd
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SHA1
929726ea99d4aa633518e093cadb0f31c746761a
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SHA256
692cff19f1e7c95e5b69f3b935a682860b45cb858f7cefdcbe2ad9f8f52537b9
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SHA512
0511aaa3cb797dd33028fc6153ab1a535e5155c782330b095ba13fa87df0a64d2e72820b5c55d1b900533edf76135d5ddd210c6602ba02e9d2a9ce9d4a2a26e7
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eqZ:AnBdOOtEvwDpj6zM
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2023-08-27_5b1a700479c2ac1fb011a4d435a4f9bd_cryptolocker_JC.exe unpack001/out.upx
Files
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2023-08-27_5b1a700479c2ac1fb011a4d435a4f9bd_cryptolocker_JC.exe.exe windows:5 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:5 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