Behavioral task
behavioral1
Sample
2024-05-17_4c165da21a57a35ce0b8f35ee6a8b7f3_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-17_4c165da21a57a35ce0b8f35ee6a8b7f3_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-17_4c165da21a57a35ce0b8f35ee6a8b7f3_cryptolocker
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Size
51KB
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MD5
4c165da21a57a35ce0b8f35ee6a8b7f3
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SHA1
23131ac900945a8b05450e25d4c5a3d9f42a9c3c
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SHA256
0b72a04bd72333ae9d4e3c6a7ec2e99be301d5d5a81bb91dac3734585c7345a5
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SHA512
81d82edea57db25fb866dadd4f893315435e32ce8b05bb12c31ba22ee0764f903f8fbcfc9a5a08d1b67fd4b440521ea6e0d4d3403b0a128e3ae8ac499e9440c9
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXD:bODOw9acifAoc+vXD
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 2024-05-17_4c165da21a57a35ce0b8f35ee6a8b7f3_cryptolocker
Files
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2024-05-17_4c165da21a57a35ce0b8f35ee6a8b7f3_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