Behavioral task
behavioral1
Sample
2024-04-26_fbf7b8ba9b3a8e3133086290bfbe15f1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-26_fbf7b8ba9b3a8e3133086290bfbe15f1_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_fbf7b8ba9b3a8e3133086290bfbe15f1_cryptolocker
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Size
55KB
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MD5
fbf7b8ba9b3a8e3133086290bfbe15f1
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SHA1
ca0bfb8970aa825ce1fc40cc69f3d112fd5a50e9
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SHA256
cb453a43bd7679ec7f5c5f2d1c4322f6449f0ba6a632ade525afeb7f2381b6a7
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SHA512
83578ab12899a0c905bfc467bcc9dbf3dfb1b678f80192ce39063bf4c7e1b7389551b18d6f368a765247cbb08e444258c7e869e769d554fd6cc9b984576b34f3
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjll:bP9g/xtCS3Dxx0y
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 2024-04-26_fbf7b8ba9b3a8e3133086290bfbe15f1_cryptolocker
Files
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2024-04-26_fbf7b8ba9b3a8e3133086290bfbe15f1_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