Behavioral task
behavioral1
Sample
2024-03-12_b3fc79c53773183a37963bc740411d16_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-12_b3fc79c53773183a37963bc740411d16_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_b3fc79c53773183a37963bc740411d16_cryptolocker
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Size
81KB
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MD5
b3fc79c53773183a37963bc740411d16
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SHA1
22fcefcee1ccf3a55ab3e3786f212ffcc58a3197
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SHA256
8e5dc8a16108075f88da2b44326e3e6ec52d8fc04b6e4bbf3649b2e6698e3c49
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SHA512
96379e2453adc931370903d8d8cff6ea1ed8c7b44984502663378ac089585c37334fc55d06cdafb600aa155adb72ea0487eabc08ee86188de8509c2c6c33b7f2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd05:T6a+rdOOtEvwDpjNtC
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 2024-03-12_b3fc79c53773183a37963bc740411d16_cryptolocker
Files
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2024-03-12_b3fc79c53773183a37963bc740411d16_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