Behavioral task
behavioral1
Sample
2024-05-10_a4d3bacc709fd97697d345ca35811f2f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-10_a4d3bacc709fd97697d345ca35811f2f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-10_a4d3bacc709fd97697d345ca35811f2f_cryptolocker
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Size
77KB
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MD5
a4d3bacc709fd97697d345ca35811f2f
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SHA1
7a8960d24b73db9aec8caec8339bb6bb691c8c97
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SHA256
686b965f8d5c48e3e1588d7e03b01fe18c232a0d88f59c097201d69a46857262
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SHA512
f0c6d30174a002c9c94f72594aacf5ce05eb63b52c8b495863d5d62aab749936a9fb37814248f14e5528edfd0bece81413ad49657ee6d89905140433d3fdd7ce
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxnu:T6a+rdOOtEvwDpjNtHPl
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 2024-05-10_a4d3bacc709fd97697d345ca35811f2f_cryptolocker
Files
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2024-05-10_a4d3bacc709fd97697d345ca35811f2f_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