Behavioral task
behavioral1
Sample
2024-04-23_721c6d7dc7a5aef93977a299dd6c21fa_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-23_721c6d7dc7a5aef93977a299dd6c21fa_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-23_721c6d7dc7a5aef93977a299dd6c21fa_cryptolocker
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Size
55KB
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MD5
721c6d7dc7a5aef93977a299dd6c21fa
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SHA1
7a022d81779d0b31609c5d3121d9b500755da729
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SHA256
1a915648828baf9a79050de0c4e0656c79b648ac71d81b1f9c0286c1171e82f6
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SHA512
c5189c292238ba1ff279bf511a913b99f3f3208121df5cc77a30c2018e73183eaf40d60c49c2832f3e8e51373e0a79982782a593ccab375b9193a4169b8c310b
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+O:bP9g/xtCS3Dxx0JO
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 2024-04-23_721c6d7dc7a5aef93977a299dd6c21fa_cryptolocker
Files
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2024-04-23_721c6d7dc7a5aef93977a299dd6c21fa_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