Behavioral task
behavioral1
Sample
2024-05-21_cb8fb3e3a70ad1410ebe2f35386bc1dd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_cb8fb3e3a70ad1410ebe2f35386bc1dd_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_cb8fb3e3a70ad1410ebe2f35386bc1dd_cryptolocker
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Size
94KB
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MD5
cb8fb3e3a70ad1410ebe2f35386bc1dd
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SHA1
b2f17f28d0bc90ca92d993b35a02aa8429eab5d0
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SHA256
8bc0b67c49d0e3ff787d0c648942350a8aee3daeffe7d2dc9409315316ee101c
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SHA512
7a419133a7f23082cf7caedc3f805ef55032c3e6e33c0d19a04b1a953c1c85446cf254d436f2414bf7ce3d18fcca83e7e5d2decf0a4ff6999425072c32eb54ff
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kC:zCsanOtEvwDpjB9
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 2024-05-21_cb8fb3e3a70ad1410ebe2f35386bc1dd_cryptolocker
Files
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2024-05-21_cb8fb3e3a70ad1410ebe2f35386bc1dd_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