Behavioral task
behavioral1
Sample
2024-02-28_7acd8de655473646f70aec7e7fef40f4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_7acd8de655473646f70aec7e7fef40f4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_7acd8de655473646f70aec7e7fef40f4_cryptolocker
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Size
81KB
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MD5
7acd8de655473646f70aec7e7fef40f4
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SHA1
f207a730229c22708787093081da4c70fb53fa7a
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SHA256
42a16945cd8a97747e9ae91293c1d150d3b2fe3196c610804c1341e73988579f
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SHA512
52d4476fb6e73ef09125cda7b9bc591447b3c5c1146297149fd9f3bea5cc3555778655d3293c5c657cce4783dc03c49bcbf88fbaafc3d17edcc8cf54c51b3965
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0e:T6a+rdOOtEvwDpjNtF
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 2024-02-28_7acd8de655473646f70aec7e7fef40f4_cryptolocker
Files
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2024-02-28_7acd8de655473646f70aec7e7fef40f4_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: 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