Behavioral task
behavioral1
Sample
2024-02-21_b33fd60dbb45175f396ed0daca2fcdd4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_b33fd60dbb45175f396ed0daca2fcdd4_cryptolocker.exe
Resource
win10v2004-20240220-en
General
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Target
2024-02-21_b33fd60dbb45175f396ed0daca2fcdd4_cryptolocker
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Size
117KB
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MD5
b33fd60dbb45175f396ed0daca2fcdd4
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SHA1
95277f4062c830b20675880b8cc5c4699dd0b3b2
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SHA256
0cd74d82fcfc8b68138876eac690666506e11a2d35966f24e42fe064779c5727
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SHA512
74c4a0dd6730ccbb7181c679ca3469de7f9ae91aaa3178a9f54cd0f10902091091e83d61c6b3ffbe723a92419c4ddc5f499eddff00b19e624c209f91895a9ce4
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01kQD:z6a+CdOOtEvwDpjczH
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 2024-02-21_b33fd60dbb45175f396ed0daca2fcdd4_cryptolocker
Files
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2024-02-21_b33fd60dbb45175f396ed0daca2fcdd4_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