Behavioral task
behavioral1
Sample
2024-04-28_33e1af09d5acce8f3d2683b1e3f41bbd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-28_33e1af09d5acce8f3d2683b1e3f41bbd_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-28_33e1af09d5acce8f3d2683b1e3f41bbd_cryptolocker
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Size
65KB
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MD5
33e1af09d5acce8f3d2683b1e3f41bbd
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SHA1
12784011c828ebcac219c5beb3fe345296286a2a
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SHA256
abece737e6fb59c0cf960f9bac344605e5b7747ab7a2b19ff00cc851b6c8bfec
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SHA512
38ee9023ae41df4435cf64565ddc0bc251ce76f393ba5feaaf4a5c4f562022f21ba4e55897307544375fec9633f5b95eeb6d8224a1f0630284ca9ff2b2c2f18f
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5Bg:zj+soPSMOtEvwDpj4kpmeLmQ/g
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 2024-04-28_33e1af09d5acce8f3d2683b1e3f41bbd_cryptolocker
Files
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2024-04-28_33e1af09d5acce8f3d2683b1e3f41bbd_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