Behavioral task
behavioral1
Sample
2024-05-08_135930d2dcd38344a2d2524ba78315be_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-08_135930d2dcd38344a2d2524ba78315be_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-08_135930d2dcd38344a2d2524ba78315be_cryptolocker
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Size
50KB
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MD5
135930d2dcd38344a2d2524ba78315be
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SHA1
cf5408d0c2f20e949e71b6d93f18a408c2c9fe8c
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SHA256
a2b18be2d38e0885033f737aaadca3ae2a08786260f41290362af96749237b9d
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SHA512
2c670fb1fec377be137c1d1982aacd5d68dd69fd49f6027ffa970c95b7138e7bad4d0f528b58c32806563e4a80d22ac52a842599fc6644605eeaaab7bda7bf0d
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXx:bODOw9acifAoc+vXx
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 2024-05-08_135930d2dcd38344a2d2524ba78315be_cryptolocker
Files
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2024-05-08_135930d2dcd38344a2d2524ba78315be_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