Behavioral task
behavioral1
Sample
2024-03-18_3a85e6a02f6f9f1d2b76304876f05f61_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-18_3a85e6a02f6f9f1d2b76304876f05f61_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_3a85e6a02f6f9f1d2b76304876f05f61_cryptolocker
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Size
74KB
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MD5
3a85e6a02f6f9f1d2b76304876f05f61
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SHA1
9d93cec638a0d466945583aa42ff21af74809e43
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SHA256
6e9d79477065c8da98ac805b9de0248bbe268278ad9a6613cb242f4089596216
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SHA512
bc81e9cead782326eee13961b2b09a2afed72c49da7ef4c00d11a2ac15b2d10af3cee1922f49cb3b4720a45c3e93b01f61b5e803284b2f7e09b73a6f2945e4e0
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcF:T6a+rdOOtEvwDpjNtS
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 2024-03-18_3a85e6a02f6f9f1d2b76304876f05f61_cryptolocker
Files
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2024-03-18_3a85e6a02f6f9f1d2b76304876f05f61_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