Behavioral task
behavioral1
Sample
2024-02-25_65d467f3172e27555e5b3d747d423d99_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_65d467f3172e27555e5b3d747d423d99_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-25_65d467f3172e27555e5b3d747d423d99_cryptolocker
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Size
81KB
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MD5
65d467f3172e27555e5b3d747d423d99
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SHA1
c165429cab5acb3d57d5d9ae6bf80abf64530dea
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SHA256
1c46a2826a8e3752e841e7dcf285a469f92e3df32932b9a2fa1bbb2ef3a807ae
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SHA512
a5cd174fb7ca953dcff9a0a83c0549188022affbf12c54ac861f347b47ec25abd72cd1914b248ffa24ffb8e20876b5b68ba7d3442f5fafcd45e135366136e7a2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7Ws1:T6a+rdOOtEvwDpjNN
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 2024-02-25_65d467f3172e27555e5b3d747d423d99_cryptolocker
Files
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2024-02-25_65d467f3172e27555e5b3d747d423d99_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