Behavioral task
behavioral1
Sample
2024-04-20_b5dbc9aefcf63bd8b867e8468ecb3dd3_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-20_b5dbc9aefcf63bd8b867e8468ecb3dd3_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_b5dbc9aefcf63bd8b867e8468ecb3dd3_cryptolocker
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Size
59KB
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MD5
b5dbc9aefcf63bd8b867e8468ecb3dd3
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SHA1
f72dbb25f6d7a55cab2e3eca5ccd1262107000ab
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SHA256
63128a4fc784778f8f568d03c1effa727667939a64d0a208278224ca1309fba4
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SHA512
e334bb6c75db32be2b151742978f0d11de08e8895bf1bf5616aec25b6e73b047336afac2e8754d5fb81fc73c528f146045c54bdc25e6cfff383959fe6b2f876b
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1J7Y:z6QFElP6n+gKmddpMOtEvwDpj9aYaz7Y
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 2024-04-20_b5dbc9aefcf63bd8b867e8468ecb3dd3_cryptolocker
Files
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2024-04-20_b5dbc9aefcf63bd8b867e8468ecb3dd3_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