Behavioral task
behavioral1
Sample
2024-05-01_8b4baf06f0f37d8ed02d9038a007d19f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-01_8b4baf06f0f37d8ed02d9038a007d19f_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_8b4baf06f0f37d8ed02d9038a007d19f_cryptolocker
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Size
51KB
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MD5
8b4baf06f0f37d8ed02d9038a007d19f
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SHA1
fa10ad0373fd9b3209b857c3f10f4a9cf43ba426
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SHA256
19dac5fbee37e62dafef5059078462ea3c628d6737c6972be7188fb50f4f6988
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SHA512
7001da877bc4f195fef408bd013b6e8ea2fec2cc0170bb19b862b6e36d3be058ee2e92cac99005ca485650118d73ce8af7dcefaebc851afbc31f463a0ab43e1b
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOG:bODOw9acifAoc+vh
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-01_8b4baf06f0f37d8ed02d9038a007d19f_cryptolocker
Files
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2024-05-01_8b4baf06f0f37d8ed02d9038a007d19f_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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