Behavioral task
behavioral1
Sample
2024-04-23_ff331425114767eda834f7cc13e059fc_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_ff331425114767eda834f7cc13e059fc_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-23_ff331425114767eda834f7cc13e059fc_cryptolocker
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Size
79KB
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MD5
ff331425114767eda834f7cc13e059fc
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SHA1
c4461253492f066ff620c6522744e39b1b967d63
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SHA256
6d7f776396878e1b01c2d34ce1f5f59307f484776ed05c5055951068928a048e
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SHA512
05d7b7fc407fbabd8d4ae7bfd53b1442cac5b8074eb2a9dbaad627b62b1d680d07e4cefbe68a6823a51af6e1d42b7bf9c955fca0f352835f7a5591d954b3c975
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuq9:T6a+rdOOtEvwDpjNcq
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 2024-04-23_ff331425114767eda834f7cc13e059fc_cryptolocker
Files
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2024-04-23_ff331425114767eda834f7cc13e059fc_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