Behavioral task
behavioral1
Sample
2024-05-24_aa18bbf89af4f6ae3190627556ab58a8_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-24_aa18bbf89af4f6ae3190627556ab58a8_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-24_aa18bbf89af4f6ae3190627556ab58a8_cryptolocker
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Size
41KB
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MD5
aa18bbf89af4f6ae3190627556ab58a8
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SHA1
e80d163a1ea305ce54ced6781613b9be1bf08340
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SHA256
52f84ffddcb807d4a4d5d3e9b4b2e41878998f81f4d05efa2d8b83e55998b300
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SHA512
71f9c74f147cc9a254b24b749061f1c9173d1c8e4c7dda73308e6d4b3fe0c0b6077a5542c453b434a011ef9ea67a2a84fa299409458418e0d7d1ae9db21b2c9f
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKCnP:ba6YcA/Xk3wXFXSqAJCnP
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 2024-05-24_aa18bbf89af4f6ae3190627556ab58a8_cryptolocker
Files
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2024-05-24_aa18bbf89af4f6ae3190627556ab58a8_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: 16KB - Virtual size: 28KB
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: 8KB - 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