Behavioral task
behavioral1
Sample
2024-09-27_bf6b1f4feae2bcaefb03258e3b308969_cryptolocker.exe
Resource
win7-20240708-en
General
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Target
2024-09-27_bf6b1f4feae2bcaefb03258e3b308969_cryptolocker
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Size
37KB
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MD5
bf6b1f4feae2bcaefb03258e3b308969
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SHA1
7b49c0ad9db60e17b517d7096b86d42c0b745b35
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SHA256
4a8dd157a47f11da3745d6065097feaf3f1417d149feb6ffbfb2ad2c530311e3
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SHA512
3eb67e20952c1f53604d82d596cb0f85d909e30c1e94e0adcbeb4e0a4f3decef9744288fd55583b968111c08bc29992805a575f182b7c48378cda89e3723843b
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkIT69:qDdFJy3QMOtEvwDpjjWMl7T69
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-27_bf6b1f4feae2bcaefb03258e3b308969_cryptolocker unpack001/out.upx
Files
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2024-09-27_bf6b1f4feae2bcaefb03258e3b308969_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: 36KB
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 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
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE