Behavioral task
behavioral1
Sample
2024-05-07_cfde4c041676923284f7a81683569f28_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-07_cfde4c041676923284f7a81683569f28_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-07_cfde4c041676923284f7a81683569f28_cryptolocker
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Size
50KB
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MD5
cfde4c041676923284f7a81683569f28
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SHA1
b22e5cc9464acb9d2be62bd0c658809816638c07
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SHA256
ebbd16e8d87bee0bbbb7d856900da7365d9850c4fc4e9e0aaf4679c1c0f9b798
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SHA512
5d6ae782553a40532bf1ef3a12da152ac1ca879e2414e7a258313cd5909814a104307ef1f5ecbe64bbe2f58b1786376e715a85f3cacf9ce4cec5d099cb77e76f
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXf:bODOw9acifAoc+vXf
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 2024-05-07_cfde4c041676923284f7a81683569f28_cryptolocker
Files
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2024-05-07_cfde4c041676923284f7a81683569f28_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