Behavioral task
behavioral1
Sample
2024-05-14_f841aa0f371962d9a233e53de0718495_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-14_f841aa0f371962d9a233e53de0718495_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-14_f841aa0f371962d9a233e53de0718495_cryptolocker
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Size
51KB
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MD5
f841aa0f371962d9a233e53de0718495
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SHA1
45e3d86ed09e4c6e5e1736a7e7044f8514a8e24f
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SHA256
eeb8fb80145a44b212ad8dea0a8204f13202b66c03f7e11e082f23950b664ca1
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SHA512
0e50f49956c90fd88176e6c4f0a8f52fc7f8f4b1645a776f7bd2960baf7b1bafafad942c234724d2daab4aea2c0d205c67235cb615dcb25f21b3cb4b0bc866e6
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOj:bODOw9acifAoc+vw
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 2024-05-14_f841aa0f371962d9a233e53de0718495_cryptolocker
Files
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2024-05-14_f841aa0f371962d9a233e53de0718495_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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