Behavioral task
behavioral1
Sample
2024-05-23_a8031004b9998956f1fb45f352c3ef4b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-23_a8031004b9998956f1fb45f352c3ef4b_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_a8031004b9998956f1fb45f352c3ef4b_cryptolocker
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Size
79KB
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MD5
a8031004b9998956f1fb45f352c3ef4b
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SHA1
12e32f2fd2d9d7bc260eb2dd2f7123747273b15e
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SHA256
e20eef5d1b9a052eefa9eec84eec7b47a145cc7e902b0482bfeb37a127d7999e
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SHA512
adeaca493b29ed9ff78f6332a426b43b308488beed308ce35ad3b2e844f6b94f3260c7a734caf5874af29c96735b50a28fcdc596c210edac27dd5c7e0bbf0f94
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1E:T6a+rdOOtEvwDpjNtHP3
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 2024-05-23_a8031004b9998956f1fb45f352c3ef4b_cryptolocker
Files
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2024-05-23_a8031004b9998956f1fb45f352c3ef4b_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