Behavioral task
behavioral1
Sample
2024-02-03_663b30fc03826d2ded1f70fb7ed0f984_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_663b30fc03826d2ded1f70fb7ed0f984_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_663b30fc03826d2ded1f70fb7ed0f984_cryptolocker
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Size
109KB
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MD5
663b30fc03826d2ded1f70fb7ed0f984
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SHA1
a5e87809b29c2e8c8772bd48ae4db14e9ae9ee2e
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SHA256
5c15ff7b14ca7d435f74a5a1c6cd7a10476e48357fb8a2434755d4ef26ec9c0c
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SHA512
6249d11c83fb0028c9bd8d443866d4affada878f2d2697fac6ab71b3250ce9ea7d4417b362b521989b5aab38fd87119a202f69f501f3bbd4a4f2881e43217b16
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg11:z6a+CdOOtEvwDpjczT
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 2024-02-03_663b30fc03826d2ded1f70fb7ed0f984_cryptolocker
Files
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2024-02-03_663b30fc03826d2ded1f70fb7ed0f984_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_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