Behavioral task
behavioral1
Sample
2024-06-04_a59e56c2dfd5faf0ede911b53e27efa0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-04_a59e56c2dfd5faf0ede911b53e27efa0_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-04_a59e56c2dfd5faf0ede911b53e27efa0_cryptolocker
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Size
82KB
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MD5
a59e56c2dfd5faf0ede911b53e27efa0
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SHA1
737572254e17a3dc2dd3761231c6bf6236f0e12d
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SHA256
92710573bc31d57a6302e9056534ea03f737939d859e08dae5e8f80c19f7915b
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SHA512
fdf01b5b6c5e6b95d4e0905fa0067aa63aab4c270b6dcc933989cb59ae2a9c83d9a8615d030f98834f861bf1d2aa78d2c243674c3cdbc7177529c599411743d0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpSxG:zCsanOtEvwDpjH
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 2024-06-04_a59e56c2dfd5faf0ede911b53e27efa0_cryptolocker
Files
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2024-06-04_a59e56c2dfd5faf0ede911b53e27efa0_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