Behavioral task
behavioral1
Sample
2024-06-08_aa31c31af93055db3f94b35f9fd2475d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-08_aa31c31af93055db3f94b35f9fd2475d_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-08_aa31c31af93055db3f94b35f9fd2475d_cryptolocker
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Size
61KB
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MD5
aa31c31af93055db3f94b35f9fd2475d
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SHA1
e3b2966c972e3e7862e8c034b9dd4988d4496c15
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SHA256
f8c603c6460fb3d8b90f06052f5e5c39b0d8254018bf8734152e6679bc8ee292
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SHA512
b40b50cfb01f9b07c8489f2c4f1d4846922556f32daa630be441dfe3ec71a7cedbdd77dcccf246c2d345ed557036c5b5505f332a6cc85a939f47022d8fcda9d4
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pt:H6QFElP6n+gou9cvMOtEvwDpjCpVXz
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 2024-06-08_aa31c31af93055db3f94b35f9fd2475d_cryptolocker
Files
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2024-06-08_aa31c31af93055db3f94b35f9fd2475d_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: 11KB - 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