Behavioral task
behavioral1
Sample
2024-04-27_20e137bfa7f5f962cf86133c8e201e1b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_20e137bfa7f5f962cf86133c8e201e1b_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_20e137bfa7f5f962cf86133c8e201e1b_cryptolocker
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Size
54KB
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MD5
20e137bfa7f5f962cf86133c8e201e1b
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SHA1
ab83c67f504534b1f636ce2abef322dabbdaf8d6
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SHA256
40d449d81a96779156097235e5ea4c63265ccf076e6f7300017cd864e15dcc82
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SHA512
ca244eee089b8cb6077cf24cada6ff3f28910219b03f7c5d5dcda581f27ccec390994f096d5bbdf2df8c9095d74734ddd3e7f09561190faf1bddd0156d4e1522
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgCb:bP9g/xtCS3Dxx0Qb
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 2024-04-27_20e137bfa7f5f962cf86133c8e201e1b_cryptolocker
Files
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2024-04-27_20e137bfa7f5f962cf86133c8e201e1b_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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