Behavioral task
behavioral1
Sample
2024-06-12_7481c9bdb2e69c77c429e1039ed6bb87_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-12_7481c9bdb2e69c77c429e1039ed6bb87_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-12_7481c9bdb2e69c77c429e1039ed6bb87_cryptolocker
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Size
57KB
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MD5
7481c9bdb2e69c77c429e1039ed6bb87
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SHA1
e0a3956529ba8790f6c3b516f0512e264b4da104
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SHA256
a504f4e38ed16694339edc65531188cd0be8144bf5da0ea6b2f3584c19900d77
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SHA512
f61d6ad24ff4a500ae9123b896a8c4a7a1f06b0a5f1621deba9b92b5c4de10ec5f7c70d4410541a6e87da3262ca1e834c50dc5c9b75f996ef95591051aa35bb2
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl9:bP9g/xtCS3Dxx0C
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-12_7481c9bdb2e69c77c429e1039ed6bb87_cryptolocker
Files
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2024-06-12_7481c9bdb2e69c77c429e1039ed6bb87_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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