Behavioral task
behavioral1
Sample
2024-04-16_ac576ab5b8a43b4586435e4aac603a3a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_ac576ab5b8a43b4586435e4aac603a3a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-16_ac576ab5b8a43b4586435e4aac603a3a_cryptolocker
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Size
95KB
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MD5
ac576ab5b8a43b4586435e4aac603a3a
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SHA1
fb364b93d0ab66e90a3740dbf45baf9ac604abc8
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SHA256
74d132d9a207563ce027f94bed0aa9ee88799c0627dd349bdf7be980c0807272
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SHA512
a441e61cb60760a560247e41fea3be49aea15f3dcc36c9399a85fa9eaa665f0a852877db71fc8831095933d05490c18b5a2fbd6f7ead9614951279b83591d9b3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b/:zCsanOtEvwDpjB7
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 2024-04-16_ac576ab5b8a43b4586435e4aac603a3a_cryptolocker
Files
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2024-04-16_ac576ab5b8a43b4586435e4aac603a3a_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