Behavioral task
behavioral1
Sample
2024-02-23_252ea1dfed258d3243d218d418f99e3a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_252ea1dfed258d3243d218d418f99e3a_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_252ea1dfed258d3243d218d418f99e3a_cryptolocker
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Size
109KB
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MD5
252ea1dfed258d3243d218d418f99e3a
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SHA1
5e568436251a22762375b6d05725ea0b1735208c
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SHA256
e1db6adef153eb11411d07f0424c94a80653e899753828226cb32c2e6c197a1f
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SHA512
175bb7721d8d365117a9219738fb8ac118bf4afb71b53211f4e4d55d9d042b055d0cb5cab32333f22b2f722a046480d10e17497d5ed8755d4679c1f3b654be0a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJO9:z6a+CdOOtEvwDpjczM
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 2024-02-23_252ea1dfed258d3243d218d418f99e3a_cryptolocker
Files
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2024-02-23_252ea1dfed258d3243d218d418f99e3a_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_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