Behavioral task
behavioral1
Sample
2024-05-10_8cf3b7e3fa9be95429ebf585ed797b79_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-10_8cf3b7e3fa9be95429ebf585ed797b79_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-10_8cf3b7e3fa9be95429ebf585ed797b79_cryptolocker
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Size
77KB
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MD5
8cf3b7e3fa9be95429ebf585ed797b79
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SHA1
ab2f2165a8fa8c24c3613f3c81f1632ef9c17cc4
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SHA256
440b9df5ed7b96de0ceebfe8169345b4435b0e5b92ef29752e3f9ad1b9516d32
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SHA512
db0a46f3d82614a4df4ba2145d8183601c9143f3a2576ad6c379bff47e9ec08bc409edd923f7e665431a68a30b8834fd54bc22e9c493756eeb1fa9fa8602c368
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxnm:T6a+rdOOtEvwDpjNtHPF
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 2024-05-10_8cf3b7e3fa9be95429ebf585ed797b79_cryptolocker
Files
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2024-05-10_8cf3b7e3fa9be95429ebf585ed797b79_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