Behavioral task
behavioral1
Sample
2024-04-19_3857447b03fb128142370b3825012f6f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_3857447b03fb128142370b3825012f6f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-19_3857447b03fb128142370b3825012f6f_cryptolocker
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Size
50KB
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MD5
3857447b03fb128142370b3825012f6f
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SHA1
1cd9b124eb6e09184afab60f39ee2869d16d97d9
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SHA256
933da3de29127f6a81a2fc0d2425f8430c4854cc82564b301ac82b392aadf552
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SHA512
291502cff7ec9c2d363934ea5fa187a83583d6f20637fe5d57d13263b040c28dad12df401aab83c1e9be731b92fed49f53a6856f31a3fabafdaf70356215836f
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvt9:bODOw9acifAoc+v9
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 2024-04-19_3857447b03fb128142370b3825012f6f_cryptolocker
Files
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2024-04-19_3857447b03fb128142370b3825012f6f_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