Behavioral task
behavioral1
Sample
2024-02-23_73f4ad67ffe0891611ebf1107b56b202_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-23_73f4ad67ffe0891611ebf1107b56b202_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_73f4ad67ffe0891611ebf1107b56b202_cryptolocker
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Size
63KB
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MD5
73f4ad67ffe0891611ebf1107b56b202
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SHA1
cfa31845f48901c10f91bf6c7e533f41eb1ae80d
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SHA256
eaf6d0c2fb8ea73e2f123af24ff793b97816a0a1d6f56ce05edbd2b4d5c6343a
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SHA512
e60899812bfc7a5008646d5b9539a85191caf43f8c7ec257e4fede78fddce0961c1523ce853d69460ed9a66cf16f130703c2caf583c9c089e90a0d3fc9e091ac
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kaF:zj+soPSMOtEvwDpj4kpmeLmQO
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 2024-02-23_73f4ad67ffe0891611ebf1107b56b202_cryptolocker
Files
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2024-02-23_73f4ad67ffe0891611ebf1107b56b202_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