Behavioral task
behavioral1
Sample
2024-02-13_ecf94936ba52600c3defff30c9c30bd8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_ecf94936ba52600c3defff30c9c30bd8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_ecf94936ba52600c3defff30c9c30bd8_cryptolocker
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Size
83KB
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MD5
ecf94936ba52600c3defff30c9c30bd8
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SHA1
186e84ff380c1b6d75359bedb8da66adf16812ec
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SHA256
6a40d4f56b9876661faa5db39ce2527c04904bbdee61932475ea03669d74efce
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SHA512
0d8a341da472ebbcd4646d9ddfde3d54433c71859f0e034f4f4a8f59e4c782b7049c59c44bda35dd355ac7a97934c9142cbf0a193f6e7ecaa5a14d58b09b43f2
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1i:zCsanOtEvwDpjM
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 2024-02-13_ecf94936ba52600c3defff30c9c30bd8_cryptolocker
Files
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2024-02-13_ecf94936ba52600c3defff30c9c30bd8_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