Behavioral task
behavioral1
Sample
2024-04-10_78144506b55dbd1f60a55871e4dfb2e9_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-10_78144506b55dbd1f60a55871e4dfb2e9_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-10_78144506b55dbd1f60a55871e4dfb2e9_cryptolocker
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Size
84KB
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MD5
78144506b55dbd1f60a55871e4dfb2e9
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SHA1
8cd0d565c9ee9082d818cd541f51fd3d9244edda
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SHA256
f59d1d420a7580ce70d51f846067dd237f9a150880593e047969596d38825878
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SHA512
f71cc3be38537c121ab5aa5bd6258ff72ed600c5c7fd3311b1c6e276eea6a7ca53192c4b5069c5cac83c0ec20efd7231249ed8d90d696c35381ef7e4fffb938b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5RJ:T6a+rdOOtEvwDpjNs
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-04-10_78144506b55dbd1f60a55871e4dfb2e9_cryptolocker
Files
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2024-04-10_78144506b55dbd1f60a55871e4dfb2e9_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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