Behavioral task
behavioral1
Sample
2024-03-08_265c941129494f5a28e5396be48cf18f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_265c941129494f5a28e5396be48cf18f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_265c941129494f5a28e5396be48cf18f_cryptolocker
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Size
86KB
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MD5
265c941129494f5a28e5396be48cf18f
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SHA1
8f31484266e7e0391a5bb6b543660c7ce386c493
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SHA256
f395266afaec4e6e960aefd69d0fa69fa1a59f39bae19a549e633cfd724558de
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SHA512
ee60d8741d8b43624bbe35de0d310c0c70212b4095bb8fb863f8759b27dd1e65d822c76e8367affca02fc43e318b2d3fb645493fc8cd3daa1c3f9e8d625eed8b
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIgjz:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgl
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-03-08_265c941129494f5a28e5396be48cf18f_cryptolocker unpack001/out.upx
Files
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2024-03-08_265c941129494f5a28e5396be48cf18f_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
Sections
UPX0 Size: - 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
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ