Behavioral task
behavioral1
Sample
2024-04-24_3a39747d1bc62de98f2979257a6a0c65_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-24_3a39747d1bc62de98f2979257a6a0c65_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_3a39747d1bc62de98f2979257a6a0c65_cryptolocker
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Size
65KB
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MD5
3a39747d1bc62de98f2979257a6a0c65
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SHA1
6aa5268af0bf4fe885b42d65c4ad366e17b683b1
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SHA256
c7747b2b5d49685e33d396b23ce091b032c298943cd96d8b3c3bdc8443543847
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SHA512
473eef81f019ece40d12bf60c4ff3f576448abeeb7921dc5ae9d33f95599eb8207a84ae9d85ea8005339834202707322f683fd42b728dfb7fd3778c59b12a875
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5BN:zj+soPSMOtEvwDpj4kpmeLmQ/N
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 2024-04-24_3a39747d1bc62de98f2979257a6a0c65_cryptolocker
Files
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2024-04-24_3a39747d1bc62de98f2979257a6a0c65_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