Behavioral task
behavioral1
Sample
2024-04-25_91d8ca598a6b07830ea14e77459bd7f7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_91d8ca598a6b07830ea14e77459bd7f7_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_91d8ca598a6b07830ea14e77459bd7f7_cryptolocker
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Size
77KB
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MD5
91d8ca598a6b07830ea14e77459bd7f7
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SHA1
7e3459058742f1ba5c4d08e2238d7a1ab5af596a
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SHA256
0c546e18214100ef2904c876d869861b7ba2ee1bf244983823c1a8e01e1a32be
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SHA512
5de8647c2741ca294dbe440dfe5d680dd2f3c72bd83256b540f543b1debcaed423d49795a79f13a5b62b1ee7b698cf9795d599ff0b839024f4233a8e19cbbd52
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxzg:T6a+rdOOtEvwDpjNtHPz
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 2024-04-25_91d8ca598a6b07830ea14e77459bd7f7_cryptolocker
Files
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2024-04-25_91d8ca598a6b07830ea14e77459bd7f7_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