Behavioral task
behavioral1
Sample
2024-03-25_4a1fb9261630a7ee00834a224320f361_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-25_4a1fb9261630a7ee00834a224320f361_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-03-25_4a1fb9261630a7ee00834a224320f361_cryptolocker
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Size
83KB
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MD5
4a1fb9261630a7ee00834a224320f361
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SHA1
a96d6dbe7a81bf826d5e7f602c8fa82929b584e7
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SHA256
b2f95460f8584f3ece815b5487868fbb5d79df744fc2a9bb237c94080474734e
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SHA512
2f04296f6afd453f5593a9e1ac049126e40e1924f00de26595f8749d60c934a8c379a6cfb4129438133d32cadaefe78a5e31d305ee9d10492b8452e73cb5f5f3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1o:zCsanOtEvwDpj+
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 2024-03-25_4a1fb9261630a7ee00834a224320f361_cryptolocker
Files
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2024-03-25_4a1fb9261630a7ee00834a224320f361_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