Behavioral task
behavioral1
Sample
2024-02-22_b481b4af033679bf5411579fe9136e1a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_b481b4af033679bf5411579fe9136e1a_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_b481b4af033679bf5411579fe9136e1a_cryptolocker
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Size
62KB
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MD5
b481b4af033679bf5411579fe9136e1a
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SHA1
b26516461c0e24f1af856543d1fdb1089c9af0ee
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SHA256
3acdae86b9337a261d987064f07ad6d86d8a3c9f429370f85014b2a6910bf88b
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SHA512
2d11dab0809ef8d81fbf8968ed6c1247d5960c9051e18f40fee931ed3bef9531d3ea8f0a0679d848f5da6eb5081e9c6bc1e1bfe8ce459eea7bc1e97030604ab3
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5ST+:T6QFElP6n+gxmddpMOtEvwDpjwa3P
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-22_b481b4af033679bf5411579fe9136e1a_cryptolocker
Files
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2024-02-22_b481b4af033679bf5411579fe9136e1a_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE