Behavioral task
behavioral1
Sample
2024-10-08_55a5f1359ea5c8861f5dd94e25e77988_cryptolocker.exe
Resource
win7-20240704-en
General
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Target
2024-10-08_55a5f1359ea5c8861f5dd94e25e77988_cryptolocker
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Size
91KB
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MD5
55a5f1359ea5c8861f5dd94e25e77988
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SHA1
a2cdbfea6626eec30ed587def4de1b047aaf7454
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SHA256
5a5383b5dc295da77b7c62f7fe21f4a5a0eb34674f5f5175c740b8eb9e7c6351
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SHA512
b83689faf30e98093d76b2f6f0e0c9dced1f72fb33686758e8953c9cde6aa17744ce183ccb1fe2bca811abd3ce8c957cab01542e05b7a2a0770794089e4c0554
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwbQ:AnBdOOtEvwDpj6zY
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-10-08_55a5f1359ea5c8861f5dd94e25e77988_cryptolocker unpack001/out.upx
Files
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2024-10-08_55a5f1359ea5c8861f5dd94e25e77988_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: 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