Behavioral task
behavioral1
Sample
2024-02-03_554898e66fd292d773d1f9f79caa593c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-03_554898e66fd292d773d1f9f79caa593c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_554898e66fd292d773d1f9f79caa593c_cryptolocker
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Size
91KB
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MD5
554898e66fd292d773d1f9f79caa593c
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SHA1
65a5765f7835b50f129b540675e4cc8f327edd84
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SHA256
f186fd575031bb3e488982fba1d536b4cbede9b6c5e7e09f07cb6eff27a0066c
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SHA512
1f0aa32fb6e66c0380ccc33839e9eb2b1ecf3cd1f9fddb68cff0ad53f2baeb96550906049816c79b41517ee903be58783e6c58a1894166c79ed29e425f3a8ba2
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/4:zCsanOtEvwDpjB4
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 2024-02-03_554898e66fd292d773d1f9f79caa593c_cryptolocker
Files
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2024-02-03_554898e66fd292d773d1f9f79caa593c_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