Behavioral task
behavioral1
Sample
2024-02-23_65ac2c37988b0b37f0719675bb0e995e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_65ac2c37988b0b37f0719675bb0e995e_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_65ac2c37988b0b37f0719675bb0e995e_cryptolocker
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Size
93KB
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MD5
65ac2c37988b0b37f0719675bb0e995e
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SHA1
f4c488a7d522bc10c707ba37c1d427f8747cc2dc
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SHA256
5b6f927bb36bebc3321dce87ed532367085336acfbe86f3b501d9437ded24463
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SHA512
85e49ff1b4703f3939214f9b998110a316e560c4e0fb3fc39e99cc79ddb7c8d3d6398a110447b41df8e1bd742c6db8705166f99116fd1dba1825382e5f01b894
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/s:zCsanOtEvwDpjBs
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_65ac2c37988b0b37f0719675bb0e995e_cryptolocker
Files
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2024-02-23_65ac2c37988b0b37f0719675bb0e995e_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