Behavioral task
behavioral1
Sample
2024-02-29_78d702fa6a1e40648d9fa748f5f66576_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_78d702fa6a1e40648d9fa748f5f66576_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_78d702fa6a1e40648d9fa748f5f66576_cryptolocker
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Size
89KB
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MD5
78d702fa6a1e40648d9fa748f5f66576
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SHA1
305755ac03061119b5f970386e5af6f36ffaefd2
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SHA256
d8458062d98d9798919a4174032e04a74c3590d2c50afeea8bdf9de145ebe9ed
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SHA512
2dbca5da69d981a9029b34043516592608846328b05c59d7598fb5db7ec18878b7705ee5b69bdd36e1bf38be6013958aca78b7e6d612357d1ffc0b93a43eb189
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87G:zCsanOtEvwDpjG
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 2024-02-29_78d702fa6a1e40648d9fa748f5f66576_cryptolocker
Files
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2024-02-29_78d702fa6a1e40648d9fa748f5f66576_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