Behavioral task
behavioral1
Sample
2024-02-03_1a2fe1b90e0e539d78d54968c89d2a72_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_1a2fe1b90e0e539d78d54968c89d2a72_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_1a2fe1b90e0e539d78d54968c89d2a72_cryptolocker
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Size
63KB
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MD5
1a2fe1b90e0e539d78d54968c89d2a72
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SHA1
0145f5535f63999795fdbf34035d5cc7d872f862
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SHA256
d8a30ecaf5b3c463fbd8b8a2f06dc32dbaf4f4b2b87a90f52705acc521178652
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SHA512
b39ecebd50e0de89082912acf32c24df82c0ffe61b48530e4c25f2f8e09ebb628fd13a8ba57bdc7810df0e37195a668877f252799d3e7c6911e81fe4a1a58083
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoI:1nK6a+qdOOtEvwDpji
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 2024-02-03_1a2fe1b90e0e539d78d54968c89d2a72_cryptolocker
Files
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2024-02-03_1a2fe1b90e0e539d78d54968c89d2a72_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE