Behavioral task
behavioral1
Sample
2024-04-09_3131087a8d41497eb88638ff10439844_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_3131087a8d41497eb88638ff10439844_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_3131087a8d41497eb88638ff10439844_cryptolocker
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Size
59KB
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MD5
3131087a8d41497eb88638ff10439844
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SHA1
8eef2cae4e9a407490b5e5d993f4d09b5b517c3a
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SHA256
92bdf7d3ac6aa042f668bc9efb1e013b7e3d523122c283571e0df0b6f2daec34
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SHA512
b0e46ab1298ba2bbed17f80e0d80c95a4544574c8e38dafecbf5ba6aee7e4388f2240b9f38a756fbbacdc062a88bd042830fec7229983c7dfb9d7b1164874fda
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpysnrb:zj+soPSMOtEvwDpj4yRrb
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 2024-04-09_3131087a8d41497eb88638ff10439844_cryptolocker
Files
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2024-04-09_3131087a8d41497eb88638ff10439844_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