Behavioral task
behavioral1
Sample
2024-03-25_4e12c3eff0b199065253e8a8bb442a13_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_4e12c3eff0b199065253e8a8bb442a13_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_4e12c3eff0b199065253e8a8bb442a13_cryptolocker
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Size
85KB
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MD5
4e12c3eff0b199065253e8a8bb442a13
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SHA1
96e6dd21f5b366e412fcf750c043386655e24147
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SHA256
375affcc5885caf83fba88ecc6ee2c7af96b9da26fada2ac1b9aacb53556fc3c
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SHA512
8e25ce9aa29b5288edf80fc34e9ea4482e97b966781be55b5d52a711e37e67ddee2dca37c758c4818da1ce504dd067af0a7f6f86ef3eca46be07206c6a3575b3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1AzB:zCsanOtEvwDpjw
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 2024-03-25_4e12c3eff0b199065253e8a8bb442a13_cryptolocker
Files
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2024-03-25_4e12c3eff0b199065253e8a8bb442a13_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