Behavioral task
behavioral1
Sample
2024-05-05_66cf2c26e7db450437e87d2d08caf3ca_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-05_66cf2c26e7db450437e87d2d08caf3ca_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-05_66cf2c26e7db450437e87d2d08caf3ca_cryptolocker
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Size
77KB
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MD5
66cf2c26e7db450437e87d2d08caf3ca
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SHA1
7c4c7a07cc0e0c909b6d42974cbb517ce6fc4cb7
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SHA256
e5651d7cb677f22025df3d42308c080f33ff09cf512daae55ada17ed811b9654
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SHA512
ab13997232a54d41801e96fb7209ff59ad306c1adaeab045a7c1271ca20d771afd318944c0494c6a5ee809d7dd953b9451238bbb8533e57e082d95ddce3182fd
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1D:T6a+rdOOtEvwDpjNtHPo
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 2024-05-05_66cf2c26e7db450437e87d2d08caf3ca_cryptolocker
Files
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2024-05-05_66cf2c26e7db450437e87d2d08caf3ca_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