Behavioral task
behavioral1
Sample
2024-04-21_25ee7b8f4d0f6f9c9468abf8108d9c72_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-21_25ee7b8f4d0f6f9c9468abf8108d9c72_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_25ee7b8f4d0f6f9c9468abf8108d9c72_cryptolocker
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Size
54KB
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MD5
25ee7b8f4d0f6f9c9468abf8108d9c72
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SHA1
814cd233c2c142b0cd97687877429744facb549a
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SHA256
c402e369821f3d651ebf9a4c3b0d132b1ac9a1434509e7c2f83f0afdebbf13f1
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SHA512
58d89b29ef476fb40e5f54d46a1e82f6806b2936262241625aca340cc8eaf2a1d77288dc9f8729f7b2546f64c771ede66c4c6f1a0ee8a9a4fd9793d663cbdb59
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgCw:bP9g/xtCS3Dxx0Qw
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 2024-04-21_25ee7b8f4d0f6f9c9468abf8108d9c72_cryptolocker
Files
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2024-04-21_25ee7b8f4d0f6f9c9468abf8108d9c72_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