Behavioral task
behavioral1
Sample
2024-02-28_71f682643000df0b44d000c04379e3b5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_71f682643000df0b44d000c04379e3b5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_71f682643000df0b44d000c04379e3b5_cryptolocker
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Size
57KB
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MD5
71f682643000df0b44d000c04379e3b5
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SHA1
1199f3da53d2d976c70999f11ed3ebbbf2e4428c
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SHA256
37dd9c1f3dccd35edbcea6766bc5a85ec49bcaa0d0b97ccf4ab3639a6c84a30a
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SHA512
0dbf6f9ac0d58f7400eeb9c3bbf6a8a4d2c5d40dae5a17796a450907cbc267d1b28e5dabb48776285bad1504af783de2583381fb2b4e822e19304a1f56047b05
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appEKksOl/:z6QFElP6n+gKmddpMOtEvwDpj9aYaM
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 2024-02-28_71f682643000df0b44d000c04379e3b5_cryptolocker
Files
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2024-02-28_71f682643000df0b44d000c04379e3b5_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_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