Behavioral task
behavioral1
Sample
2024-03-28_cd3a3eaf29418755ca87e740309f2bf7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_cd3a3eaf29418755ca87e740309f2bf7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_cd3a3eaf29418755ca87e740309f2bf7_cryptolocker
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Size
95KB
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MD5
cd3a3eaf29418755ca87e740309f2bf7
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SHA1
9f9e5b999e96ee51bd6684adfcc443cb74d157eb
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SHA256
81a29fd3b7d7ec0531ffd27dc0645333a7f8b513b7e1f541b2839b70ec6c076d
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SHA512
25c87639c38b9f65ddb03a4f8fcf88708a35738c76f4fdea9d28031ef0dca0964196d60e2d22247176d8fbef8ac4b0afa65015d4045857aa98951e37d7de2283
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b7:zCsanOtEvwDpjB/
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 2024-03-28_cd3a3eaf29418755ca87e740309f2bf7_cryptolocker
Files
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2024-03-28_cd3a3eaf29418755ca87e740309f2bf7_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