Behavioral task
behavioral1
Sample
2024-05-27_8783ab0415296a4a4d88606699a130a4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-27_8783ab0415296a4a4d88606699a130a4_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-27_8783ab0415296a4a4d88606699a130a4_cryptolocker
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Size
53KB
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MD5
8783ab0415296a4a4d88606699a130a4
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SHA1
91c8e850b529a6e590ba9a61951a274117e2d13a
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SHA256
08c39048a4cba7d9704b12a3b1515256943d41481efa8f555b4e7d9cbb8190d4
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SHA512
c8ac93352645864755ee29903cc14d429f2b11ffbc0f42db4d74711d6b69ab3341b88325b912994647ec01db7b3bfb3c89adb7003bd3326b88e06ad33c88dad4
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOk/o:z6QFElP6n+gKmddpMOtEvwDpj31ik/o
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 2024-05-27_8783ab0415296a4a4d88606699a130a4_cryptolocker
Files
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2024-05-27_8783ab0415296a4a4d88606699a130a4_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_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