Behavioral task
behavioral1
Sample
2024-08-20_f43a900eb4d5de43a39526545d92850d_cryptolocker.exe
Resource
win7-20240729-en
General
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Target
2024-08-20_f43a900eb4d5de43a39526545d92850d_cryptolocker
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Size
40KB
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MD5
f43a900eb4d5de43a39526545d92850d
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SHA1
0ab414b3d9b9e1a1dbd84d343e924c980231f597
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SHA256
343f977cbd5189cf376d6e524d8bb87d306dd31237fe983c0028042e59974feb
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SHA512
2cc6d0a55513d169ac5e69c0d058d8e9f41739232fc57ac2f9a7ea9736afa55255a6c636311382316aa598b2cdabc58064c6bcfe68a105c7843562ca4057e19a
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SSDEEP
768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRiXU:qTJu9cvMOtEvwDpjppVXzRN
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-08-20_f43a900eb4d5de43a39526545d92850d_cryptolocker unpack001/out.upx
Files
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2024-08-20_f43a900eb4d5de43a39526545d92850d_cryptolocker.exe windows:5 windows x86 arch: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: 11KB - 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 arch: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