Behavioral task
behavioral1
Sample
2024-04-05_3a3d39845122e28b4b8ea7a4604b4866_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_3a3d39845122e28b4b8ea7a4604b4866_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-04-05_3a3d39845122e28b4b8ea7a4604b4866_cryptolocker
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Size
63KB
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MD5
3a3d39845122e28b4b8ea7a4604b4866
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SHA1
bf8e0dda01f75a1cc6bb6d179f421439e81b49c0
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SHA256
71828bc976250a1dd3ddd0e6790395159f6426ad7b64787310d4146ddd5f3b3b
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SHA512
7bdff93a8f39e88842acb45c0f835f68ee1c6554205d72ed45ce6624c5e0eb065d6432d72cf192104b9ac61718645891a254474358eae359e207c0b50f265fe1
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVzCBRI:zj+soPSMOtEvwDpj4kpmeLmnZx
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 2024-04-05_3a3d39845122e28b4b8ea7a4604b4866_cryptolocker
Files
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2024-04-05_3a3d39845122e28b4b8ea7a4604b4866_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