Behavioral task
behavioral1
Sample
2024-03-11_991316ca942c6d79e4abd8471857ba76_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_991316ca942c6d79e4abd8471857ba76_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_991316ca942c6d79e4abd8471857ba76_cryptolocker
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Size
115KB
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MD5
991316ca942c6d79e4abd8471857ba76
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SHA1
3004020202539dd4e614075c0f9a286f378192f4
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SHA256
1a5f6fd73f4752a73f31d09f17ea94a7295cb731887bc8e6dc3230355975c54a
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SHA512
4d629adac4063e8fd2d1a1c1b4edeb3022b74e2259c885dca6fcc8256a928771694dcc4527dbdd91d4f6cef86d63e273d77a4653fed267c4b9e6f00f634d0a9f
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01Q0:z6a+CdOOtEvwDpjczp
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 2024-03-11_991316ca942c6d79e4abd8471857ba76_cryptolocker
Files
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2024-03-11_991316ca942c6d79e4abd8471857ba76_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